Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSDODGE AND RAM2024PROMASTER 3500 BASE, CUTAWAYREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTCOMMUNICATION DEVICESBODY CONTROL MODULE (BCM) - DTCS B2131-09 TO U0406-83
2024 Dodge and Ram ProMaster 3500 Base, Cutaway
Body Control Module (BCM) - DTCS B2131-09 To U0406-83
2024 Dodge and Ram ProMaster 3500 Base, CutawaySECTION Body Control Module (BCM) - DTCS B2131-09 To U0406-83
- DTC Troubleshooting
- B2131-09 Humidity Rain Light Sensor (HRLS) Rain Sensor - Component Failures
- B2132-09 Humidity Rain Light Sensor (HRLS) Light Sensor - Component Failures
- B2204-55 Ecu Error (PROXI) - Not Configured
- B2204-87 Ecu Error (PROXI) - Missing Message
- B2332-23 Horn Request - Signal Stuck Low
- U0001-00 Can C1 Bus Mute
- U0002-00 Can C1 Bus Off Performance
- U0010-00 Can BH Bus Mute
- U0011-00 Can BH Bus Off Performance
- U0055-00 Can C2 Bus Mute
- U0056-00 Can C2 Bus Off Performance
- U0254-86 Lost Communication With Remote Start Module - Signal Invalid
- U0401-83 Invalid Data Received From Engine Control Module (ECM) - Value Of Signal Protection Calculation Incorrect
- U0401-8F Invalid Data Received From Engine Control Module (ECM) - Erratic
- U0402-83 Invalid Data Received From Transmission Control Module (TCM) - Value Of Signal Protection Calculation Incorrect
- U0406-00 Invalid Data Received From Brake System Control Module (BSM)
- U0406-83 Invalid Data Received From Brake System Control Module (BSM) - Value Of Signal Protection Calculation Incorrect
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.