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.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSDODGE AND RAM2023PROMASTER 1500REPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTCOMMUNICATION DEVICESBODY CONTROL MODULE (BCM) - DTCS B1856-13 TO U1701-87
2023 Dodge and Ram ProMaster 1500
Body Control Module (BCM) - DTCS B1856-13 To U1701-87
2023 Dodge and Ram ProMaster 1500SECTION Body Control Module (BCM) - DTCS B1856-13 To U1701-87
- DTC Troubleshooting
- B1856-13-Driver Window Lifter Motor - Circuit Open
- B185D-12-Passenger Window Switch - Circuit Short To Battery
- B185D-23-Passenger Window Switch - Signal Stuck Low
- B185D-24-Passenger Window Switch - Signal Stuck High
- B1861-13-Passenger Window Lifter Motor - Circuit Open
- B1868-12-Driver Side Passenger Window Switch - Circuit Short To Battery
- B1868-23-Driver Side Passenger Window Switch - Signal Stuck Low
- B1868-24-Driver Side Passenger Window Switch - Signal Stuck High
- B1870-23-Doors Lock_Unlock Central Switch - Signal Stuck Low
- B1871-64-Rear Doors Lock - Signal Plausibility Failure
- B1872-23-Load Department Lock_Unlock Switch - Signal Stuck Low
- B1A20-64-Fob Search Result - Signal Plausibility Failure
- B1A7D-23-Start Button - Signal Stuck Low
- B1A7D-2F-Start Button - Signal Erratic
- B1A7E-2F-Ignition Position Status - Signal Erratic
- B1EAD-24-LDW (Lane Departure Warning) Switch - Signal Stuck High
- B2131-09-HRLS (Humidity Rain Light Sensor) Rain Sensor - Component Failures
- B2132-09-HRLS (Humidity Rain Light Sensor) 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
- U0401-64-Implausible Data Received From Engine Control Module (ECM) - Signal Plausibility Failure
- U0401-83-Invalid Data Received From ECM (Engine Control Module) - Value Of Signal Protection Calculation Incorrect
- U0401-8F-Invalid Data Received From ECM (Engine Control Module) - Erratic
- U0402-83-Invalid Data Received From TCM (Transmission Control Module) - Value Of Signal Protection Calculation Incorrect
- U0406-00-Invalid Data Received From BSM (Brake System Control Module)
- U0406-83-Invalid Data Received From BSM (Brake System Control Module) - Value Of Signal Protection Calculation Incorrect
- U041A-83-Invalid Data Received From Orc (Occupant Restraint Control) - Value Of Signal Protection Calculation Incorrect
- U0432-68-Security Access Violation - Event Information
- U0433-64-MINIKRIPT Error - Signal Plausibility Failure
- U0433-87-MINIKRIPT Error - Missing Message
- U0434-64-BCM (Body Control Module) Start Relay Feedback - Signal Plausibility Failure
- U0441-64-Invalid Data Received From RFHM (Radio Frequency Hub Module) - Signal Plausibility Failure
- U0441-83-Invalid Data Received From RFHM (Radio Frequency Hub Module) - Value Of Signal Protection Calculation Incorrect
- U0441-87-Invalid Data Received From RFHM (Radio Frequency Hub Module) - Missing Message
- U0441-8F-Invalid Data Received From RFHM (Radio Frequency Hub Module) - Erratic
- U0541-8F-RFHUB2 Missing - Erratic
- U0618-64-Implausible Data Received From PAM Button Led - Signal Plausibility Failure
- U0623-64-Implausible Data Received From WCPM (Wireless Charge Pad Module) - Signal Plausibility Failure
- U1147-00-Ecu Not Expected (PROXI)
- U1423-87-WCPM (Wireless Charging Pad Module) - Missing Message
- U1431-87-HRLS (Humidity Rain Light Sensor) - Missing Message
- U1459-87-CSWC (Cruise Switch Control) - Missing Message
- U145E-87-SWS (Steering Wheel Switch) - Missing Message
- U1495-87-SWSM (Steering Wheel Sense Module) - Missing Message
- U1701-86-ECM (Engine Control Module) - Signal Invalid
- U1701-87-ECM-Engine Control Module - Missing Message
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.