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2015–2026 HONDA STEP WGN

1.5L I4 Turbo•FWD•gas•L15B•turbo
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Every control module on the 2022-2026 Honda Step WGN — where it lives, replacement time, and what it takes to program a replacement. Modules marked dealer / factory tool won't work after a part swap alone — budget for programming.
Body Control Module (BCM)1.8 hr R&Rsecurity gateway +1.2 hr▸ programming details
📍 Under dashboard, driver side kick panel or behind center console lower trim
🔧 Honda HDS with i-HDS subscription
⚠️ Controls lighting, wipers, power windows, door locks. Requires full vehicle configuration coding and gateway authentication.
Electric Power Steering Control Unit (EPS)1.5 hr R&Rdealer / factory tool +0.6 hr▸ programming details
📍 Steering column area, under dashboard or integrated into steering column assembly
🔧 Honda HDS with i-HDS subscription
⚠️ Steering angle sensor calibration and torque sensor zero-point learning required.
Gateway Control Unit (GWY)1.5 hr R&Rsecurity gateway +1.5 hr▸ programming details
📍 Under dashboard, center console area or behind driver kick panel
🔧 Honda HDS with i-HDS subscription + dealer PIN
⚠️ Central security gateway. Replacement requires dealer-level authentication and full vehicle network reconfiguration.
Millimeter Wave Radar / Honda Sensing Control Unit (MWR/HSC)1.5 hr R&Rdealer / factory tool +1.0 hr▸ programming details
📍 Front bumper, center behind grille or integrated into front emblem area
🔧 Honda HDS with i-HDS subscription + alignment equipment
⚠️ Radar aiming and Honda Sensing system calibration mandatory. Requires special alignment targets and procedures.
Display Audio Unit (DA)1.5 hr R&Rdealer / factory tool +0.5 hr▸ programming details
📍 Center dashboard, integrated into center stack
🔧 Honda HDS or Autel with Honda software
⚠️ Navigation and HondaLink features require activation and configuration coding.
Transmission Control Module (TCM)1.5 hr R&Rsecurity gateway +0.8 hr▸ programming details
📍 Engine compartment, passenger side near battery or integrated into transmission body
🔧 Honda HDS with i-HDS subscription
⚠️ CVT models may have integrated TCM requiring transmission removal. Adaptive learning reset required.
HondaLink Telematics Control Unit (TCU)1.3 hr R&Rdealer / factory tool +0.7 hr▸ programming details
📍 Behind dashboard, center console area or under passenger seat
🔧 Honda HDS with i-HDS subscription
⚠️ Requires cellular network activation and HondaLink subscription pairing.
Powertrain Control Module (PCM)1.2 hr R&Rsecurity gateway +1.0 hr▸ programming details
📍 Engine compartment, driver side firewall area, mounted on bulkhead
🔧 Honda HDS with i-HDS subscription + J2534 pass-thru
⚠️ Requires VIN coding, immobilizer pairing, and dealer-level authentication. Gateway security enforced.
Power Tailgate Control Unit (PTG)1.2 hr R&Raftermarket tool +0.4 hr▸ programming details
📍 Rear liftgate, behind interior trim panel
🔧 Honda HDS or Autel MaxiSys
⚠️ Height position learning and pinch protection calibration required.
Multi-View Camera System Control Unit (MVC)1.2 hr R&Rdealer / factory tool +0.6 hr▸ programming details
📍 Behind rearview mirror or center dashboard area
🔧 Honda HDS with i-HDS subscription
⚠️ Camera calibration and dynamic guideline configuration required. Multiple camera inputs.
Climate Control Unit (CCU)1.2 hr R&Rrelearn only +0.3 hr▸ programming details
📍 Center dashboard, behind climate control panel
🔧 Honda HDS or self-learning procedure
⚠️ Actuator relearn and self-diagnosis cycle required after installation.
Immobilizer-Keyless Control Unit (IMOES)1.0 hr R&Rsecurity gateway +1.0 hr▸ programming details
📍 Under dashboard, steering column area or center console
🔧 Honda HDS with i-HDS subscription
⚠️ All keys must be reprogrammed. PCM pairing required. Gateway security enforced.
Vehicle Stability Assist Modulator-Control Unit (VSA)1.0 hr R&Rdealer / factory tool +0.5 hr▸ programming details
📍 Engine compartment, driver side near master cylinder or under hood near ABS pump
🔧 Honda HDS or Autel MaxiSys
⚠️ Brake bleeding and VSA sensor calibration required after replacement.
Supplemental Restraint System Control Unit (SRS)1.0 hr R&Rsecurity gateway +0.8 hr▸ programming details
📍 Center console, under front seats or behind center trim panel
🔧 Honda HDS with i-HDS subscription
⚠️ Requires VIN coding and crash data reset. Gateway security enforced. Battery disconnect mandatory.
Adaptive Driving Beam Control Unit (ADB)1.0 hr R&Rdealer / factory tool +0.5 hr▸ programming details
📍 Engine compartment, behind headlight assemblies or near radiator support
🔧 Honda HDS with i-HDS subscription
⚠️ Headlight aiming and adaptive beam calibration required. LED models only.
Fuel Pump Control Module (FPCM)0.8 hr R&Rrelearn only +0.2 hr▸ programming details
📍 Under rear seat or in trunk area near fuel tank
🔧 Honda HDS or self-learning
⚠️ Adaptive fuel pressure learning may be required after installation.
Seat Control Unit (SCU)0.8 hr R&Rrelearn only +0.2 hr▸ programming details
📍 Under front seats, driver and passenger side
🔧 Self-learning procedure or Honda HDS
⚠️ Memory seat position relearn required. Heated/ventilated seat functions included.
Power Window Master Switch / Door Control Unit (MSPW/DCU)0.8 hr R&Rrelearn only +0.2 hr▸ programming details
📍 Driver door, integrated into master switch assembly or behind door panel
🔧 Self-learning procedure
⚠️ Window auto-up/down position learning required after installation.
Driver Information Interface (DII)0.8 hr R&Rsecurity gateway +0.8 hr▸ programming details
📍 Instrument panel, behind gauge cluster trim
🔧 Honda HDS with i-HDS subscription
⚠️ Mileage programming requires dealer authentication and VIN coding. Gateway security enforced.
Parking Sensor Control Unit (PSU)0.8 hr R&Raftermarket tool +0.3 hr▸ programming details
📍 Rear cargo area, behind rear trim panel or under rear bumper
🔧 Honda HDS or Autel MaxiSys
⚠️ Sensor calibration and detection zone learning required.
Tire Pressure Monitoring System Receiver (TPMS)0.6 hr R&Raftermarket tool +0.3 hr▸ programming details
📍 Under dashboard, center console area or behind instrument cluster
🔧 Honda HDS or Autel TPMS tool
⚠️ Sensor ID registration and tire position learning required.
Aftermarket tool coverage varies by software version and vehicle build — treat "aftermarket tool" rows as "usually possible" and verify against your tool maker's coverage list before promising a customer. Spot a wrong location or hour? Tell us — corrections ship fast here.
🔧 Database maintained under the daily editorial review of Chris Hackleman · Master Technician · 20+ years.
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