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Honda2001–2022 Critical issues documented

Honda StepWGN RP: common faults & what to check

The RP is the Honda StepWGN built 2015 onward. It was sold here with the 1.5L petrol (L15B2) and 2.0 hybrid. Of the 31 faults documented for the StepWGN, 13 apply to this generation, each with its symptoms, what to inspect and a typical repair cost. Free, no account needed.

Check this exact Honda StepWGN

  • Odometer history
  • Money owing
  • Reported stolen
  • Ownership history
  • Official NZ vehicle register data
  • NZ owned and operated

Type the plate for the free basics. The full record is a paid check from $13.49, one car at a time, no subscription.

No NZ plate yet, or buying in Australia? Pick the generation and engine and start a free check below. New to KickTyres? How the check works →

31

Documented faults

Critical

Most serious

$350–$1,300

Typical repair

27

Service milestones

You're looking at the RP

2 engine variants are documented for this generation. Pick yours to narrow further, or keep reading for the generation as a whole.

Choose a different generation

Now narrow it to the engine

A 1.8 and a 2.4 of the same car do not fail the same way, so the faults below narrow to the engine as well as the year. Free, no account needed.

A 2017 Honda StepWGN is the RP generation (2015 to now).

Start your free check on this Honda StepWGN

No plate needed. You get the risk score, the buyer's checklist and the guided inspection for the exact car you picked above — not the whole nameplate.

Honda StepWGN RPEngine not picked yet

Pick the engine above first: the StepWGN came with 2, and without it the report has to show all of their faults. Pick the engine

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Can't confirm for this car

Honda StepWGN · 2017

Narrowed to the year. No engine is recorded for this vehicle. Pick an engine to see which faults apply.

Tell us the engine, or check the engine code on the car, before relying on this.

  • No engine is recorded for this vehicle.

matched on year only

What to look out for

The checks worth doing on a Honda StepWGN before you hand over any money. Every documented fault is listed below, each with its own page.

  • Serious issue

    Inspect the dust boot for cracking or oil contamination.

    See why

    Front Lower Control Arm Ball Joint Wear

    The RP3 and RP4 Step WGN front suspension uses a MacPherson strut layout with a pressed-in lower ball joint on the aluminium lower control arm. The ball joint dust boot deteriorates from road spray and heat cycling, allowing moisture and grit ingress that accelerates wear of the joint socket; once play develops, the joint can separate under cornering loads, which is a critical safety failure. High parts-availability from both OEM Honda (part 51360-SWA-A01 and related supersessions) and aftermarket suppliers specifically for the RP1-RP5 generation confirms workshop recognition of this as a recurring wear item.

    What you would notice

    • Clunking or knocking noise from the front suspension when driving over speed bumps or dips at low speed
    • Vague or imprecise steering feel with mild wandering on straight roads
    • Front tyre wearing unevenly on the inner edge
    • Visible grease contamination around the ball joint dust boot

    Typically $400–$900 to put right.

  • Costly issue

    Operate each power sliding door through five open-and-close cycles and listen for grinding, hesitation, or motor strain.

    See why

    Power Sliding Door Cable Fraying and Drive Motor Overload Failure

    The RP3 and RP4 Step WGN power sliding doors use a cable-and-drum drive mechanism with an electric motor mounted in the B-pillar or door surround. The Bowden-style drive cables develop wear, fraying, and ultimately snapping at the drum anchor points due to repeated door cycling over time; simultaneously, the door motor can overheat and burn out when the cable binds or the door track accumulates dirt and resistance. The MLIT Japan recall database lists the DBA-RP3 variant with 50,946 vehicles subject to campaign action, and the symptom has been independently documented by workshop technicians servicing grey-import Step WGNs in New Zealand and Australia.

    What you would notice

    • Sliding door moves slowly, stops mid-travel, or reverses unexpectedly during operation
    • Grinding or snapping noise from the B-pillar area when opening or closing the door
    • Power door button unresponsive or door reverts to manual-only operation
    • Door fails to latch closed after power cycle completes

    Typically $350–$1,800 to put right.

  • Costly issue

    With the engine at operating temperature, activate the air conditioning and observe whether cold air is produced within 60 seconds.

    See why

    Air Conditioning Compressor Clutch Failure

    The Sanden or Denso compressors fitted across the Stepwgn range develop electromagnetic clutch coil failure and pulley bearing wear, causing the clutch to slip, drag, or disengage permanently. Clutch coil burnout is commonly triggered by low refrigerant charge (due to gradual R134a loss from aged O-ring seals), which causes the compressor to cycle more aggressively and overheat the clutch coil. In some cases the clutch disc welds itself to the pulley due to heat, causing continuous compressor drive that leads to full serpentine belt failure. Honda workshop procedures require refrigerant system leak testing before clutch replacement to avoid repeat failure.

    What you would notice

    • Air conditioning blows warm air with the compressor clutch not engaging when the AC button is pressed
    • Loud squealing or grinding noise from the front of the engine when AC is switched on
    • Burning smell from the engine bay when AC is activated, indicating clutch slip
    • Serpentine belt shredding in severe cases where the clutch disc has seized to the pulley

    Typically $500–$1,500 to put right.

  • Costly issue

    Grasp the trailing arm and attempt to move it fore-and-aft to feel for excessive compliance.

    See why

    Rear Multi-Link Suspension Bush Deterioration and Collapse

    The RP3 and RP4 Step WGN rear suspension uses a multi-link design with multiple rubber-bonded bushes on each trailing arm, lateral link, and toe-control link. The OEM rubber compound used in these bushes deteriorates with age and exposure to road oils and New Zealand road surfaces, causing the rubber to crack, separate from its metal sleeve, or collapse radially; when bushes collapse the rear axle geometry shifts outside specification, producing oversteering handling behaviour, tyre scrub, and vibration under acceleration. Parts suppliers including BuyCarParts and EUSpares list dedicated rear bush kits specifically for the Honda Stepwagon, confirming the component as a documented replacement item, and the issue accelerates in vehicles imported from Japan with high urban mileage.

    What you would notice

    • Rear of vehicle feels loose or floaty on corners, particularly when changing direction
    • Rear tyre wearing on inner edge unevenly
    • Thumping or clonking from rear suspension over sharp bumps or railway crossings
    • Rear alignment cannot be corrected to within specification on the alignment rack

    Typically $600–$1,500 to put right.

  • Costly issue

    Operate both power sliding doors fully open and fully closed at least three times each and observe for hesitation, reversal, or fault messages.

    See why

    Power sliding door cable fraying causing door fault

    Both RP3 and RP6 Stepwagon generations use motorised power sliding doors on both sides. The steel drive cable running from the door motor through the centre pillar guide channel is subject to fraying where it bends around the lower pulley bracket. As strands break, cable tension becomes inconsistent, causing the door to hesitate mid-travel, reverse unexpectedly, or trigger a door obstruction fault code that disables power mode entirely. Advanced fraying can result in cable parting inside the door cavity, requiring full cable loom and pulley bracket replacement. In NZ grey imports, wear is frequently compounded by corrosion in the guide channel from prior Japanese coastal or humid-climate use, accelerating cable degradation.

    What you would notice

    • Power sliding door hesitates or reverses mid-travel without any obstruction present
    • Door fault warning displayed on instrument cluster
    • Clicking or grinding noise from door lower cavity during power operation
    • Power sliding door mode disabled after fault code is set
    • Door closes slowly or incompletely before reversing automatically

    Typically $480–$1,400 to put right.

  • Costly issue

    Inspect the inner bush visually for rubber cracking, separation from the metal sleeve, or lateral displacement of the rubber element.

    See why

    Front lower arm inner bush failure & highway shimmy

    The RP3 Stepwagon front suspension uses a two-pivot lower control arm with a large bonded rubber-to-metal compliance bush pressed into the front subframe mount. This bush degrades and delaminates under combined exposure to NZ road camber variation, age, and residual humidity or salt from JDM use. As the bush loses axial stiffness, the control arm fore-aft position becomes indeterminate under braking and cornering loads, introducing a steering shimmy that manifests as a 60 to 100 km/h oscillation through the steering wheel. This oscillation is consistently misdiagnosed as a wheel balance fault — standard balancing does not resolve it. Replacement requires hydraulic pressing of the bush or fitting a complete lower arm assembly.

    What you would notice

    • Steering wheel shimmy or oscillation between 60 and 100 km/h on smooth motorway
    • Shimmy persists after wheel balancing and tyre rotation
    • Vague or wandering steering feel at highway speed
    • Clunk from front suspension over sharp bumps or during quick lane changes
    • Uneven or accelerated tyre wear across the front axle

    Typically $480–$1,300 to put right.

Honda StepWGN service schedule

The 2 engines a 2017 Honda StepWGN was sold with, each with its own intervals. Pick your engine above to narrow this to one. These are the model’s intervals — the car’s own service book is the only thing that can tell you what has actually been done to it.

Fifth Generation · 2017–2022 · 2.0L (LFA) - e:HEV Hybrid trim

Hybrid

Due by distance

  1. 100,000 km

    Inspect the hybrid cooling system and consider flushing the inverter coolant - clean fluid is vital for e:HEV longevity.

  2. 150,000 km

    A professional assessment of the hybrid battery health is worthwhile, though these units are generally robust for high-mileage commuting.

  3. 200,000 km

    Focus on the suspension components, particularly the shocks and struts, which may be feeling their age on our country roads.

Fifth Generation · 2015–2022 · 1.5L (L15B) - VTEC Turbo trim

Petrol

Due by distance

  1. 60,000 km

    Flush the transmission fluid to ensure the longevity of the CVT belt and pulley system.

  2. 100,000 km

    Review the turbocharger lines and spark plug health for optimal engine efficiency.

  3. 150,000 km

    Inspect the cooling system hoses and radiator health for age-related wear.

See all 13 issues for this oneDocumented for the exact year and engine you picked, including 1 rated critical.
Engine, transmission & cooling1

01Air Conditioning Compressor Clutch Failure

With the engine at operating temperature, activate the air conditioning and observe whether cold air is produced within 60 seconds.petrol2001 onwardCooling
CommonCooling $500–$1,500 to fix

The Sanden or Denso compressors fitted across the Stepwgn range develop electromagnetic clutch coil failure and pulley bearing wear, causing the clutch to slip, drag, or disengage permanently. Clutch coil burnout is commonly triggered by low refrigerant charge (due to gradual R134a loss from aged O-ring seals), which causes the compressor to cycle more aggressively and overheat the clutch coil. In some cases the clutch disc welds itself to the pulley due to heat, causing continuous compressor drive that leads to full serpentine belt failure. Honda workshop procedures require refrigerant system leak testing before clutch replacement to avoid repeat failure.

Symptoms to notice

  • Air conditioning blows warm air with the compressor clutch not engaging when the AC button is pressed
  • Loud squealing or grinding noise from the front of the engine when AC is switched on
  • Burning smell from the engine bay when AC is activated, indicating clutch slip
  • Serpentine belt shredding in severe cases where the clutch disc has seized to the pulley

What to check

  1. With the engine at operating temperature, activate the air conditioning and observe whether cold air is produced within 60 seconds.
  2. Listen for a click from the compressor when the AC is switched on, confirming clutch engagement.
  3. If the clutch does not engage, check the clutch coil resistance (should be 3.0-3.6 ohms).
  4. Inspect the clutch face and pulley for heat bluing or wear grooves.
  5. Check refrigerant pressure with gauges to rule out low charge as the root cause.

Where to look: Front of engine, compressor mounted on the lower right engine block, driven by the accessory belt

Parts involved: Clutch.

Ask the seller

  • “Does the air conditioning produce cold air reliably, and when was the refrigerant last recharged?”
  • “Has the AC compressor clutch or pulley ever been replaced or inspected?”
Electrical2

02Power Sliding Door Cable Fraying and Drive Motor Overload Failure

Operate each power sliding door through five open-and-close cycles and listen for grinding, hesitation, or motor strain.petrol2015 onwardElectricalRead the full fault: symptoms, where to look, what to ask the seller

03Power sliding door cable fraying causing door fault

Operate both power sliding doors fully open and fully closed at least three times each and observe for hesitation, reversal, or fault messages.2015 onwardElectricalRead the full fault: symptoms, where to look, what to ask the seller
Body, brakes, suspension & interior1 critical6

04Front Lower Control Arm Ball Joint Wear

Inspect the dust boot for cracking or oil contamination.petrol2015 onwardSuspension
CommonSuspension $400–$900 to fix

The RP3 and RP4 Step WGN front suspension uses a MacPherson strut layout with a pressed-in lower ball joint on the aluminium lower control arm. The ball joint dust boot deteriorates from road spray and heat cycling, allowing moisture and grit ingress that accelerates wear of the joint socket; once play develops, the joint can separate under cornering loads, which is a critical safety failure. High parts-availability from both OEM Honda (part 51360-SWA-A01 and related supersessions) and aftermarket suppliers specifically for the RP1-RP5 generation confirms workshop recognition of this as a recurring wear item.

The front wheel of a car splayed outward with the lower control arm hanging down after a ball joint separation.Example of the part — not this vehicle

A separated lower ball joint: the control arm has dropped and the wheel has splayed out under the guard.

Elfix · CC0 · Wikimedia Commons

Symptoms to notice

  • Clunking or knocking noise from the front suspension when driving over speed bumps or dips at low speed
  • Vague or imprecise steering feel with mild wandering on straight roads
  • Front tyre wearing unevenly on the inner edge
  • Visible grease contamination around the ball joint dust boot

What to check

Inspect the dust boot for cracking or oil contamination. Have a second person apply the brake while you check for movement at the ball joint to isolate it from wheel bearing play. Check for inner boot tears with a torch. If a workshop inspection is possible: Raise the front of the vehicle on stands and grasp the bottom of the tyre at 6 o'clock position to check for vertical play.

Where to look: Front lower control arm, ball joint at knuckle attachment, both sides

Parts involved: Ball joint.

Ask the seller

  • “Have the front lower control arm ball joints been replaced, and if so at what mileage?”
  • “Has the vehicle had a wheel alignment performed in the last 20,000 km?”
  • “Is there any clunking from the front suspension over rough surfaces?”

05Electric Power Steering Rack Rattle

petrol2015 onwardSuspension
OccasionalSuspension $950–$3,200 to fix

The RP1-RP5 Stepwgn uses a column-assist electric power steering (EPS) system that develops an internal rattle or clunk from the steering rack when the vehicle encounters sharp bumps or low-speed kerb strikes. The noise originates from worn tie-rod inner joints and play in the rack-and-pinion valve body, which becomes apparent as the EPS torque sensor assist map ages and rack preload tolerances open up. Honda issued updated rack assemblies and tie-rod end specifications under service information for several RP-series complaints. The fault is often misdiagnosed as a suspension issue because the noise transfers through the body structure.

Symptoms to notice

  • Single or repetitive clunk from the steering rack when traversing sharp bumps at low speed
  • Rattle felt through the steering wheel when the front wheels strike a pothole
  • Slight dead-spot or vagueness around the straight-ahead position in the EPS assist

What to check

  1. With the engine running and the vehicle on a flat surface, have a second person rotate the steering wheel quickly from left to right (not full lock) while you listen and feel for clunking or rattling from the rack area under the bonnet or below the dash.
  2. Drive slowly over a sharp bump with the steering at a slight angle and listen for a single knock.
  3. Inspect both inner tie-rod boots for splits and check for free play by pushing-pulling the tie-rod horizontally while the wheel is straight.

Where to look: Steering rack mounted on the front subframe, with column EPS motor at the base of the steering column

Parts involved: Steering rack.

Ask the seller

  • “Have you noticed any clunking or knocking through the steering wheel over rough roads?”
  • “Has the steering rack or any steering components been replaced or inspected under warranty?”

06Rear Multi-Link Suspension Bush Deterioration and Collapse

Grasp the trailing arm and attempt to move it fore-and-aft to feel for excessive compliance.petrol2015 onwardSuspension
CommonSuspension $600–$1,500 to fix

The RP3 and RP4 Step WGN rear suspension uses a multi-link design with multiple rubber-bonded bushes on each trailing arm, lateral link, and toe-control link. The OEM rubber compound used in these bushes deteriorates with age and exposure to road oils and New Zealand road surfaces, causing the rubber to crack, separate from its metal sleeve, or collapse radially; when bushes collapse the rear axle geometry shifts outside specification, producing oversteering handling behaviour, tyre scrub, and vibration under acceleration. Parts suppliers including BuyCarParts and EUSpares list dedicated rear bush kits specifically for the Honda Stepwagon, confirming the component as a documented replacement item, and the issue accelerates in vehicles imported from Japan with high urban mileage.

Symptoms to notice

  • Rear of vehicle feels loose or floaty on corners, particularly when changing direction
  • Rear tyre wearing on inner edge unevenly
  • Thumping or clonking from rear suspension over sharp bumps or railway crossings
  • Rear alignment cannot be corrected to within specification on the alignment rack

What to check

Grasp the trailing arm and attempt to move it fore-and-aft to feel for excessive compliance. Check rear tyre wear pattern for inner-edge scrub indicating toe-out from collapsed toe-link bush. A four-wheel alignment printout showing out-of-spec rear toe or camber is diagnostic. If a workshop inspection is possible: Raise each rear corner and inspect all visible rubber bushes for cracking, separation from metal sleeve, or lateral displacement of the bonded rubber.

Where to look: Rear multi-link subframe: trailing arm front and rear bushes, lateral link inner and outer bushes, toe-control link bushes

Ask the seller

  • “Have the rear suspension bushes been replaced, and if so at what mileage?”
  • “Is there a recent four-wheel alignment printout showing rear toe and camber readings?”
  • “Is there any clunking or looseness from the rear suspension over bumps?”

07Front lower arm inner bush failure & highway shimmy

Inspect the inner bush visually for rubber cracking, separation from the metal sleeve, or lateral displacement of the rubber element.2015–2022Suspension
CommonSuspension $480–$1,300 to fix

The RP3 Stepwagon front suspension uses a two-pivot lower control arm with a large bonded rubber-to-metal compliance bush pressed into the front subframe mount. This bush degrades and delaminates under combined exposure to NZ road camber variation, age, and residual humidity or salt from JDM use. As the bush loses axial stiffness, the control arm fore-aft position becomes indeterminate under braking and cornering loads, introducing a steering shimmy that manifests as a 60 to 100 km/h oscillation through the steering wheel. This oscillation is consistently misdiagnosed as a wheel balance fault — standard balancing does not resolve it. Replacement requires hydraulic pressing of the bush or fitting a complete lower arm assembly.

The front wheel of a car splayed outward with the lower control arm hanging down after a ball joint separation.Example of the part — not this vehicle

A separated lower ball joint: the control arm has dropped and the wheel has splayed out under the guard.

Elfix · CC0 · Wikimedia Commons

Symptoms to notice

  • Steering wheel shimmy or oscillation between 60 and 100 km/h on smooth motorway
  • Shimmy persists after wheel balancing and tyre rotation
  • Vague or wandering steering feel at highway speed
  • Clunk from front suspension over sharp bumps or during quick lane changes
  • Uneven or accelerated tyre wear across the front axle

What to check

Inspect the inner bush visually for rubber cracking, separation from the metal sleeve, or lateral displacement of the rubber element. Note any CV boot oil contamination near the bush that accelerates rubber degradation. Conduct a test drive at 80 km/h on smooth tarmac to reproduce steering oscillation. If a workshop inspection is possible: With the vehicle on a hoist, grip the front lower arm and attempt to push and pull it fore and aft — any perceptible movement confirms bush failure.

Where to look: Front lower control arm inner pivot bush at front subframe mount — both left and right sides, accessible from beneath the vehicle

Parts involved: Ball joint.

Ask the seller

  • “Has wheel balancing been performed recently and did it resolve any steering vibration?”
  • “Have the front suspension bushes or lower arms ever been inspected or replaced?”
  • “Is there any knocking or clunking from the front end over bumps or during cornering?”
  • “Has a wheel alignment check been done within the last 12 months?”

08Brake Caliper Guide Pin Seizure Causing Uneven Pad Wear

After a short drive at low speed, carefully touch each wheel rim (not disc) to compare heat.petrol2015 onwardBrakesRead the full fault: symptoms, where to look, what to ask the seller

09Electric Power Steering Rack Internal Rattle and Clunk

Drive slowly over a rough surface or corrugated road and listen for a clunk or rattle from the centre of the dashboard or steering column.petrol2015 onwardSuspension
CommonSuspension $1,200–$2,800 to fix

The RP3 and RP4 Step WGN uses a column-assist electric power steering (EPS) system where the rack-and-pinion gear develops internal play between the rack teeth and pinion over time, producing a rattle or clunk transmitted through the steering column on rough roads or at low speeds. The yoke preload spring that maintains rack-to-housing tension can weaken or the poppet seating wears, allowing the rack to knock against its housing under abrupt lateral inputs. This is a documented pattern across Honda EPS-equipped vehicles of this era and is confirmed by workshop TSB references for rattling EPS racks requiring rack assembly replacement.

Symptoms to notice

  • Rattling or knocking noise from the steering column or rack area when driving over rough or uneven surfaces
  • Clunk felt through the steering wheel when changing direction sharply at parking speeds
  • EPS warning light illuminating intermittently, particularly in cold weather

What to check

Drive slowly over a rough surface or corrugated road and listen for a clunk or rattle from the centre of the dashboard or steering column. With the vehicle stationary and engine running, rock the steering wheel quickly left and right with a small input and check for any knock from the rack area. Inspect the rack gaiter boots for splits that may allow moisture in. Have a passenger listen from outside while you perform the steering shake test.

Where to look: Steering rack mounted transversely behind engine crossmember, steering column EPS motor assembly

Parts involved: Steering rack.

Ask the seller

  • “Has the EPS warning light ever illuminated?”
  • “Is there any knocking or rattling felt through the steering wheel on rough roads?”
  • “Has the steering rack or EPS unit ever been replaced or serviced?”
  • “Does the steering feel heavier or lighter than expected at low speeds?”
Depends on the exact engine — 4 moreDocumented for a specific engine we could not confirm from what you picked. Check the engine code on the car.
Engine, transmission & cooling4

01L15B2 1.5T direct injection fuel-wash oil dilution

Pull dipstick cold before the test drive and smell for petrol; note level vs MAX mark.petrol2015–2022EngineRead the full fault: symptoms, where to look, what to ask the seller

02CVT RE0F11A push-belt judder under light throttle

Drive at light throttle between 40 and 60 km/h on a flat road and feel for floor shudder.petrol2015–2022TransmissionRead the full fault: symptoms, where to look, what to ask the seller

03Sport Hybrid i-MMD Low-Speed Shudder and EV-to-Engine Transition Jolt

Test drive in urban conditions with frequent stops; note any lurch or vibration when accelerating from 0-20 km/h after a full stop.hybrid2015 onwardTransmissionRead the full fault: symptoms, where to look, what to ask the seller

04CVT Judder and Belt-Pulley Wear

Drive in slow stop-go conditions and apply gentle throttle from rest.petrol2009–2022Transmission
CommonTransmission $300–$7,500 to fix

Can't confirm for this car

RK and RP Stepwgn CVT-equipped models develop judder felt as a vibration or shudder during light throttle application from rest or during low-speed transitions, caused by degraded CVT fluid reducing the belt-to-pulley friction coefficient or by physical belt and pulley wear. Neglected CVT fluid intervals significantly accelerate belt wear. Early-stage judder often resolves with a Honda-genuine CVT fluid flush; severe belt wear requires transmission replacement.

Symptoms to notice

  • Vibration or shudder felt through the drivetrain when pulling away from rest under light throttle
  • Shudder during low-speed stop-go traffic manoeuvring
  • Hesitation or jerkiness when the transmission transitions between ratios
  • CVT warning light in advanced cases of belt damage

What to check

  1. Drive in slow stop-go conditions and apply gentle throttle from rest.
  2. Any vibration or shudder indicates CVT fluid degradation or belt wear.
  3. Check the CVT fluid condition - dark or burnt fluid indicates overdue service.
  4. Confirm the documented fluid change history.

Where to look: CVT transmission unit, accessible from underside

Ask the seller

  • “When was the CVT fluid last changed and what was the mileage?”
  • “Does the car shudder or vibrate when pulling away from a stop?”
  • “Has the transmission ever been serviced, rebuilt or replaced?”
Other Honda StepWGN engines and years18 documented issues that do not apply to the one you picked.
Engine, transmission & cooling7

01i-MMD inverter electric water pump bearing failure

Start the engine cold and listen for a high-pitched bearing whine from the front-left bay where the EWP is mounted on the inverter cooling circuit.hybrid2022 onwardCooling
OccasionalCooling $1,200–$3,800 to fix

Does not apply

The RP6 Spada e:HEV uses Honda's second-generation i-MMD hybrid system, which relies on a dedicated electric water pump (EWP) to circulate coolant through the Power Control Unit (PCU) inverter and drive motor assembly. Premature bearing wear inside this EWP reduces coolant flow to the inverter, triggering PCU over-temperature protection faults and forcing the vehicle into reduced-power or combustion-only limp mode. Early bearing degradation is audible as a high-pitched whine from the front-left engine bay at low road speeds. Replacement requires draining the separate inverter cooling circuit and fitting a JDM-specification Honda EWP assembly, which can be on extended back-order for grey-import vehicles without dealer parts priority.

Symptoms to notice

  • High-pitched whine or grinding from front-left engine bay at low speed
  • Hybrid system warning lamp illuminated on cluster
  • PCU over-temperature DTC stored (P0A7F or related hybrid thermal codes)
  • Vehicle entering limp-home combustion-only drive mode
  • Inverter coolant reservoir level below minimum mark

What to check

  1. Start the engine cold and listen for a high-pitched bearing whine from the front-left bay where the EWP is mounted on the inverter cooling circuit.
  2. Check the separate inverter coolant reservoir level and note any discolouration.
  3. Scan for hybrid PCU temperature or coolant flow fault codes before purchase.
  4. Request any prior hybrid system service records or warranty claims.

Where to look: Front engine bay left side — electric water pump mounted on the PCU inverter cooling circuit adjacent to the hybrid drive unit

Parts involved: Water pump.

Ask the seller

  • “Has the hybrid system ever shown a warning lamp or entered limp-home mode?”
  • “Has the inverter coolant circuit ever been topped up or flushed?”
  • “Are there any stored hybrid system fault codes on the scan tool?”
  • “Has the electric water pump ever been inspected or replaced?”

02RK CVT Belt Slip and Judder Under Load

During test drive, accelerate moderately from 0–80 km/h and monitor engine revs on the dash display.petrol2009–2015Transmission
OccasionalTransmission $2,800–$6,500 to fix

Does not apply

The RK1/RK5 Stepwagon uses Honda's Multimatic S CVT (M2CA/M2JA units). The steel push-belt and conical pulley faces are sensitive to fluid contamination and extended service intervals. As the belt wears, it begins slipping under acceleration load, producing a hunting sensation where engine revs rise without a proportional increase in vehicle speed. The condition progresses to judder and shudder at low speeds, and in advanced cases the TCM defaults to a limp-home ratio and triggers a transmission warning.

Symptoms to notice

  • Engine revs rise disproportionately to vehicle speed during moderate acceleration
  • Shuddering or juddering felt through drivetrain at low speeds
  • Transmission warning light or D indicator flashing
  • Hesitation or loss of drive when pulling away from a stop

What to check

During test drive, accelerate moderately from 0–80 km/h and monitor engine revs on the dash display. In a healthy CVT, revs should climb smoothly with vehicle speed. Slipping manifests as revs hanging high with sluggish acceleration. Check service history for CVT-F fluid changes — Honda recommends 40,000 km intervals. Check for TCM fault codes with a scanner before purchase.

Where to look: Under vehicle — CVT gearbox (M2CA/M2JA unit)

Parts involved: CVT belt and pulleys.

Ask the seller

  • “When was the CVT fluid last changed, and what fluid was used?”
  • “Has the transmission warning light ever illuminated?”

03CVT Shudder and Belt/Pulley Wear Under Load (RK Series)

Check CVT fluid condition and level with engine at operating temperature — Honda HMMF should be clear amber.petrol2009–2015TransmissionRead the full fault: symptoms, where to look, what to ask the seller

04K24A VTC Actuator Cold-Start Rattle

Start the engine from fully cold and listen for a metallic chain-like rattle from the cam cover area during the first 1-3 seconds.petrol2003 onwardEngineRead the full fault: symptoms, where to look, what to ask the seller

05VTEC Solenoid OCV Gasket Oil Leak

Check the electrical connector for oil contamination.petrol2001–2005EngineRead the full fault: symptoms, where to look, what to ask the seller

06Throttle Body Carbon Fouling

Inspect throttle body bore for grey-black carbon deposits.petrol2005–2009Engine
CommonEngine $80–$300 to fix

Does not apply

K20A/K24A throttle body butterfly and bore accumulate carbon causing rough idle and hesitation.

Symptoms to notice

  • Rough idle and hesitation from rest at light throttle
  • Occasional stalling when releasing throttle in traffic

What to check

  1. Inspect throttle body bore for grey-black carbon deposits.
  2. Note rough idle and hesitation on deceleration.

Where to look: Throttle body on intake manifold

Ask the seller

  • “Has the throttle body carbon fouling been inspected or repaired?”

07K20A / K24A VTEC Oil Pressure Switch Failure

Inspect the switch body for oil weeping at its threaded seating.petrol2001–2005Engine
CommonEngine $80–$180 to fix

Does not apply

The VTEC oil pressure switch (also called the VTEC pressure sensor) monitors oil pressure at the rocker shaft to confirm that the VTEC engagement mechanism has actuated. On RF3 and RF4 engines, this switch is a known wear item that fails in two ways: the internal diaphragm ruptures (causing the ECU to see no VTEC confirmation signal and throw P1259), or the switch body develops an external oil weep around its threaded base. Failed switches prevent VTEC from engaging, locking the engine into its low-lift cam profile and noticeably dulling high-RPM performance. The switch is inexpensive but frequently misdiagnosed, leading owners to replace the OCV solenoid first at greater cost.

Symptoms to notice

  • Check engine light with stored P1259 VTEC system malfunction code, often appearing intermittently at first before becoming permanent
  • Loss of high-RPM power delivery — engine feels as though it has a ceiling around 5500 RPM and does not pull to redline
  • Small oil seep visible at the switch body threads, sometimes only detectable with a clean rag wipe
  • VTEC engagement confirmed absent via data logging with an OBD reader showing no VTEC activation signal

What to check

Inspect the switch body for oil weeping at its threaded seating. A switch that reads open under all conditions has a failed diaphragm. If a workshop inspection is possible: Scan for OBD fault codes before clearing — a stored P1259 with no accompanying codes strongly suggests the pressure switch rather than the OCV. With a multimeter, test switch continuity: it should open at low oil pressure and close when VTEC engages.

Where to look: Cylinder head, typically on the intake camshaft side adjacent to or near the VTEC solenoid, threaded into the oil gallery

Ask the seller

  • “Has the car ever had a check engine light related to VTEC, and was it diagnosed with a code reader or just cleared?”
  • “Has either the VTEC pressure switch or the VTEC solenoid been replaced during ownership?”
  • “Does the engine feel as strong above 6000 RPM as it does in the mid-range?”
Electrical4

01Electric Power Steering Column Motor Failure

Scan for EPS fault codes.2005–2009Electrical
OccasionalElectrical $500–$1,800 to fix

Does not apply

EPS column motor fails causing sudden or gradual loss of power assistance.

Symptoms to notice

  • Sudden loss of power steering with EPS warning light
  • Heavy steering requiring effort especially at low speeds

What to check

  1. Scan for EPS fault codes.
  2. Test steering — heavy or inconsistent feel warrants investigation.

Where to look: EPS column motor and control unit

Parts involved: Steering rack.

Ask the seller

  • “Has the electric power steering column motor been inspected or repaired?”

02Power Sliding Door Motor Burnout

Cycle the power sliding door fully open and closed three times while observing speed and listening for motor strain.petrol2001–2015ElectricalRead the full fault: symptoms, where to look, what to ask the seller

03Power Sliding Door Cable Fraying and Motor Burnout

Operate the power door through five full open-and-close cycles and listen for grinding, stuttering, or unusual motor strain noise.2001–2015ElectricalRead the full fault: symptoms, where to look, what to ask the seller

0412V auxiliary battery drain causing hybrid lockout

Measure 12V auxiliary battery resting voltage after an overnight stand — should exceed 12.4 V.hybrid2022 onwardElectrical
OccasionalElectrical $280–$900 to fix

Does not apply

The RP6 Spada e:HEV relies on a small 12V lead-acid auxiliary battery to power the Body Control Module, hybrid system wake-up relay, and keyless entry receiver. Unlike a conventional petrol vehicle, a flat 12V battery in an i-MMD hybrid prevents the high-voltage traction system from initialising, rendering the vehicle completely inoperable — it cannot be push-started and cannot respond to conventional jump-starting without first recovering 12V supply. Parasitic drain faults — commonly from the telematics unit or infotainment system remaining active after locking — can flatten the 12V battery overnight. NZ grey imports with aftermarket dashcam or audio wiring add unmonitored drain paths, and JDM-original 12V batteries are frequently over five years old on arrival.

Symptoms to notice

  • Vehicle completely unresponsive to start with no READY indicator after overnight stand
  • All dash warning lamps illuminate simultaneously or total loss of power
  • 12V auxiliary battery resting voltage below 11 V on multimeter
  • Hybrid system fault code stored after 12V recovery and restart
  • Infotainment or telematics unit audibly active after the vehicle is locked

What to check

  1. Measure 12V auxiliary battery resting voltage after an overnight stand — should exceed 12.4 V.
  2. Check beneath the dashboard and behind the head unit for aftermarket wiring that could create a parasitic drain path.
  3. Scan for BCM or hybrid system fault codes logged from any prior flat-battery event.
  4. Confirm the battery date code — original JDM 12V batteries in grey imports are commonly past recommended service life.

Where to look: 12V auxiliary battery located under the rear cargo floor or in the engine bay depending on RP6 build variant

Parts involved: 12V battery.

Ask the seller

  • “Has the vehicle ever been found completely dead and required a jump-start or recovery?”
  • “When was the 12V auxiliary battery last replaced?”
  • “Is any aftermarket wiring, dashcam, or audio equipment installed?”
  • “Has a hybrid system warning lamp ever appeared after a flat-battery event?”
Body, brakes, suspension & interior6

01Front Lower Control Arm Ball Joint Wear and Separation

Visually inspect the ball joint rubber boot for tears or missing material and grease contamination on surrounding components.2001–2015Suspension
CommonSuspension $280–$650 to fix

Does not apply

The front lower control arm ball joints on both the RF and RK series Step WGN are a documented failure point captured in Japanese shaken (mandatory roadworthiness inspection) rejection records. The ball joint stud is a press-fit into the knuckle, and the rubber boot protecting the grease-packed joint deteriorates with UV exposure and road contamination. Once the boot tears, water and road grit intrude, accelerating wear of the ball taper. In advanced cases the joint develops free play detectable as a clunk over bumps; in severe cases, the stud can separate from the socket, causing sudden loss of wheel geometry control — a critical safety event. Japanese shaken records show the front lower arm joint as a recurring rejection item on Step WGNs over 8 years old.

The front wheel of a car splayed outward with the lower control arm hanging down after a ball joint separation.Example of the part — not this vehicle

A separated lower ball joint: the control arm has dropped and the wheel has splayed out under the guard.

Elfix · CC0 · Wikimedia Commons

Symptoms to notice

  • Clunking or knocking sound from the front suspension when traversing speed bumps, potholes, or driveway entrances at low speed
  • Vague or imprecise steering feel with a tendency for the car to wander on straight roads as the worn joint allows micro-movement in the knuckle
  • Uneven or rapid tyre wear on the front axle as geometry shifts under the worn joint
  • Vehicle fails NZ Warrant of Fitness inspection with a noted defect at the front lower ball joint

What to check

Visually inspect the ball joint rubber boot for tears or missing material and grease contamination on surrounding components. Any detectable play is a rejection item; in NZ WoF terms this is a fail. If a workshop inspection is possible: With the vehicle on a hoist, grip the front wheel at 6 and 12 o'clock positions and attempt to rock it — any vertical free play indicates ball joint wear. Use a pry bar under the lower arm to load the joint and check for movement between stud and socket.

Where to look: Front lower control arm, inner pivot and outer ball joint where the arm connects to the front steering knuckle

Parts involved: Ball joint.

Ask the seller

  • “Has the car recently passed a WoF, and were any suspension components flagged or replaced?”
  • “Are the front lower control arm ball joint boots intact with no tears or grease loss visible?”
  • “Is there any clunking from the front end over bumps or when turning at low speed?”

02Electric Power Steering Rack Rattle and Stiction (RK Series)

RK5 and RK6 Step WGNs replaced the hydraulic power steering of the RF series with an electric power steering (EPS) rack.petrol2009–2015Suspension
OccasionalSuspension $550–$2,200 to fix

Does not apply

RK5 and RK6 Step WGNs replaced the hydraulic power steering of the RF series with an electric power steering (EPS) rack. The rack unit on these vehicles develops two distinct failure modes as mileage accumulates: internal rattle from worn rack-and-pinion bearing preload (the anti-rattle spring or bearing cup loses its seating), and stiction — a notchy, on-centre resistance or slight hesitation when returning from lock — caused by wear in the EPS motor's internal helical gear that assists the rack. The rattle presents as a mechanical knock from the steering column area when traversing rough surfaces at low speed and is frequently misidentified as a front suspension issue. Honda issued dealer technical service guidance in Japan covering recalibration of the EPS torque sensor as a first step before rack replacement.

Symptoms to notice

  • Metallic rattling or knocking sound from the front of the vehicle when driving over rough roads or speed humps at low speed, emanating from the steering rack area rather than from the wheel end
  • Notchy or stiff on-centre steering feel — a slight resistance when the wheel returns to straight-ahead position after a turn, most noticeable in carpark manoeuvring
  • EPS warning light (PS warning on instrument cluster) appearing intermittently under conditions of sustained low-speed lock-to-lock movement such as parallel parking
  • Steering vibration or shudder transmitted to the wheel during low-speed turns that disappears at higher vehicle speeds

What to check

  1. Drive slowly over rough surfaces and listen for metallic rattling from the steering rack area — knock that occurs on one side only correlates with a loose rack mount or anti-rattle spring.
  2. Test on-centre steering feel in a carpark: a notchy or tight sensation when centring the wheel indicates EPS motor gear wear.
  3. Scan EPS ECU for stored fault codes (C-codes) using a Honda-capable scanner.
  4. Check rack mounting bolts for correct torque; loose mounts amplify rattle from otherwise marginal internal wear.

Where to look: Electric power steering rack mounted on the front subframe, with EPS motor and gearbox on the column or rack body depending on configuration

Parts involved: Steering rack.

Ask the seller

  • “Is there any rattling or knocking from the steering area when driving over rough surfaces or speed bumps?”
  • “Does the steering feel smooth and light through its full range, or is there any notchiness or resistance when the wheel centres after a turn?”
  • “Has the EPS warning light ever appeared, and if so was it diagnosed with a scan tool or simply reset?”

03Rear Suspension Beam Bush Collapse

Inspect the rear beam mounting bushes visually for cracking, delamination, or rubber void.petrol2001–2009SuspensionRead the full fault: symptoms, where to look, what to ask the seller

04Rear Subframe Rubber Mount Deterioration

Check for movement by having an assistant apply the brake while you observe the mounts from below — any visible subframe shift indicates failure.2001–2015Suspension
CommonSuspension $420–$900 to fix

Does not apply

The rear subframe on Step WGNs is attached to the body via four large rubber-bonded mounts that isolate road noise and absorb load from the rear suspension and drivetrain. On vehicles over 10 years old — which encompasses virtually all RF-series Step WGNs in the NZ used car market — the natural rubber in these mounts hardens, cracks, and eventually debonds from the metal sleeves. Deteriorated mounts allow the rear subframe to move under braking, acceleration, and cornering loads, introducing a clunking or thudding sensation from the rear that is often misdiagnosed as shock absorber wear. In severe cases the subframe shifts enough to affect rear wheel alignment, causing unusual tyre wear. NZ workshop records consistently flag these mounts on RF-series Step WGNs over 150,000 km.

Symptoms to notice

  • Clunking or thudding noise from the rear of the vehicle under hard acceleration, braking, or when traversing road undulations at speed
  • Vague or imprecise rear-end feel during cornering as the subframe shifts under lateral load, giving a looseness disproportionate to the shock absorber condition
  • Uneven rear tyre wear — particularly one-sided wear on one rear tyre — caused by alignment shift from a collapsed mount on one side
  • Visible cracking, splitting, or debonding of the rubber visible at the subframe mount bodies when inspected from below on a hoist

What to check

  1. Check for movement by having an assistant apply the brake while you observe the mounts from below — any visible subframe shift indicates failure.
  2. Measure rear wheel toe if alignment equipment is available; unexpected toe variation on one side correlates with a collapsed mount on that corner.
  3. If a workshop inspection is possible: On a hoist, inspect each rear subframe mount for cracking, splitting, or separation of the rubber from the metal bonding.

Where to look: Rear subframe mounting points to the body — four bush locations on the underside of the rear floor, typically at front and rear of the subframe

Parts involved: Shock absorber / strut.

Ask the seller

  • “Have the rear subframe bushes ever been inspected or replaced, particularly given the vehicle's age and mileage?”
  • “Is there any clunking or thudding sound from the rear under acceleration or when going over speed bumps?”
  • “When was the rear wheel alignment last checked, and was any unusual toe or camber variation found?”

05Sliding Door Roller Guide Rail Wear

Open the sliding door and visually inspect all three rollers (upper guide, lower guide, and centre track).petrol2001–2009Body & RustRead the full fault: symptoms, where to look, what to ask the seller

06Rear Trailing Arm Bush Collapse

Inspect rear trailing arm bushes for cracking.2005–2009Suspension
CommonSuspension $300–$800 to fix

Does not apply

Rear trailing arm bushes harden and collapse causing rear knocking and imprecision.

Symptoms to notice

  • Knocking from rear suspension over rough surfaces
  • Imprecise rear handling feel at speed

What to check

  1. Inspect rear trailing arm bushes for cracking.
  2. Push arm — any movement indicates collapsed bushes.

Where to look: Rear suspension trailing arm mounting points

Ask the seller

  • “Has the rear trailing arm bush collapse been inspected or repaired?”
Fluid leaks1

01K20A Valve Cover Gasket Oil Seep

With engine warm, inspect the perimeter of the valve cover for oil seeping or dried black residue.petrol2001–2009Fluid Leaks
CommonFluid Leaks $180–$420 to fix

Does not apply

The K20A-equipped Stepwagon (RF3, RG1) uses a rubber valve cover gasket that hardens and shrinks with age and heat cycling. Oil seeps past the gasket, particularly at the rear corners where the gasket meets the spark plug tube seals. The oil tracks down the back of the engine and onto the exhaust, causing a burning oil smell. The PCV system also pressurises the cover if the breather is restricted, worsening the leak rate.

Symptoms to notice

  • Burning oil smell from engine bay, especially after highway driving
  • Oil residue on exterior of engine block below the valve cover
  • Black oily deposits around spark plug tubes when removing the cover
  • Slight oil consumption between services

What to check

  1. With engine warm, inspect the perimeter of the valve cover for oil seeping or dried black residue.
  2. Inspect the four spark plug tube seals inside the cover for oil saturation — oil inside the plug wells indicates failed tube seals bundled with the gasket set.
  3. Remove the oil filler cap and check for excessive crankcase pressure (should not blow air forcefully).

Where to look: Top of engine — valve cover perimeter and spark plug tube seals

Parts involved: Rocker / valve cover.

Ask the seller

  • “Has the valve cover gasket been replaced?”
  • “Is there a burning oil smell after the engine warms up?”

Honda StepWGN faults in detail

Narrowed to the Honda StepWGN · 2017. Each of these has its own page: the symptoms, where to look, what to ask the seller and what the repair costs. Free, no account needed.

Brake Caliper Guide Pin Seizure Causing Uneven Pad WearMajor · BrakesCVT RE0F11A push-belt judder under light throttleMajor · TransmissionL15B2 1.5T direct injection fuel-wash oil dilutionMajor · EnginePower Sliding Door Cable Fraying and Drive Motor Overload FailureMajor · ElectricalPower sliding door cable fraying causing door faultMajor · ElectricalSport Hybrid i-MMD Low-Speed Shudder and EV-to-Engine Transition JoltMajor · Transmission

What these repairs cost on other cars

Some of the Honda StepWGN’s documented faults are repairs other models share. Each page lists the documented NZ cost for every model it affects.

Other Honda models

Honda CR-V59 documented faultsHonda Accord55 documented faultsHonda Jazz51 documented faultsHonda HR-V29 documented faultsHonda Vezel28 documented faultsHonda N-Box27 documented faults

Honda StepWGN buyer questions

Is the Honda StepWGN reliable?

Like any used car, it depends on the specific example and its service history. Across the 31 documented faults for the Honda StepWGN, the recurring problem areas are cooling, suspension, and engine. A Honda StepWGN with a full service history and no signs of the issues listed on this page can be a sound buy but each one needs to be checked individually before you commit.

What are the most common problems with a used Honda StepWGN?

We've catalogued 31 known faults for the Honda StepWGN, covering cooling, suspension, and engine. All 31 are written out in full on this page, with the symptoms to notice, what to inspect, and typical repair costs for each. Free to read, no account needed.

How much do repairs cost on a Honda StepWGN?

Most single repairs on the Honda StepWGN fall between $350–$1,300 at NZ independent-workshop rates. Some of the 31 documented faults cost less and a few cost considerably more, and no one car needs them all. Knowing which ones to look for before you view is what lets you negotiate the price down or walk away.

Should I get a pre-purchase inspection on a Honda StepWGN?

Yes. A Honda StepWGN inspection focused on its known weak points is the single best way to avoid an expensive mistake. KickTyres gives you a guided, model-specific inspection plus a market valuation and negotiation figure for $24.90 far less than the cost of missing one of the faults on this page.