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 MANUALSJEEP2023RENEGADE UPLANDREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTCOMMUNICATION DEVICESBODY CONTROL MODULE (BCM) - DTCS B1020-18 TO B1046-64
2023 Jeep Renegade Upland
Body Control Module (BCM) - DTCS B1020-18 To B1046-64
2023 Jeep Renegade UplandSECTION Body Control Module (BCM) - DTCS B1020-18 To B1046-64
- DTC Troubleshooting
- B1020-18-Backup Light-Circuit Current Below Threshold
- B1020-19-Backup Light (Left And Right)-Circuit Current Above Threshold
- B1021-11-DRL_Parking_Turn Light Left-Circuit Short To Ground
- B1021-15-DRL_Parking_Turn Light Left-Circuit Short To Battery Or Open
- B1022-11-DRL_Parking Light Left-Circuit Short To Ground
- B1022-15-Day Time Running And Parking Light Left-Circuit Short To Battery Or Open
- B1022-19-Day Time Running And Parking Light Left-Circuit Current Above Threshold
- B1022-64-DRL_Parking Light Left-Signal Plausibility Failure
- B1023-11-DRL_Parking Light Right-Circuit Short To Ground
- B1023-15-Day Time Running And Parking Light Right-Circuit Short To Battery Or Open
- B1023-19-Day Time Running And Parking Light Right-Circuit Current Above Threshold
- B1023-64-DRL_Parking Light Right-Signal Plausibility Failure
- B1024-11-DRL_Parking_Turn Light Right-Circuit Short To Ground
- B1024-15-DRL_Parking_Turn Light Right-Circuit Short To Battery Or Open
- B1025-11-DRL_Parking Light Left Led Ecu Supply-Circuit Short To Ground
- B1025-12-DRL_Parking Light Left Led Ecu Supply-Circuit Short To Battery
- B1025-13-DRL_Parking Light Left Led Ecu Supply-Circuit Open
- B1026-11-DRL_Parking Light Left Led Ecu Signal-Circuit Short To Ground
- B1026-12-DRL_Parking Light Left Led Ecu Signal-Circuit Short To Battery
- B1026-13-DRL_Parking Light Left Led Ecu Signal-Circuit Open
- B1028-11-DRL_Parking Light Right Led Ecu Supply-Circuit Short To Ground
- B1028-12-DRL_Parking Light Right Led Ecu Supply-Circuit Short To Battery
- B1028-13-DRL_Parking Light Right Led Ecu Supply-Circuit Open
- B1029-11-DRL_Parking Light Right Led Ecu Signal-Circuit Short To Ground
- B1029-12-DRL_Parking Light Right Led Ecu Signal-Circuit Short To Battery
- B1029-13-DRL_Parking Light Right Led Ecu Signal-Circuit Open
- B102A-64-Headlamps Led Feedback Left-Signal Plausibility Failure
- B102B-64-Headlamps Led Feedback Right-Signal Plausibility Failure
- B102C-11-Fog Rear Or Second Backup Light-Circuit Short To Ground
- B102C-15-Rear Fog Lights-Circuit Short To Battery Or Open
- B102C-19-Rear Fog Lights-Circuit Current Above Threshold
- B1030-19-Front Ceiling Light-Circuit Current Above Threshold
- B1032-19-Ceiling Light Rear Left-Circuit Current Above Threshold
- B1033-19-Ceiling Light Rear Right-Circuit Current Above Threshold
- B1035-11-Internal Crown Light Rear Left Led-Circuit Short To Ground
- B1035-15-Internal Crown Light Rear Left Led-Circuit Short To Battery Or Open
- B1037-11-Internal Crown Light Rear Right Led-Circuit Short To Ground
- B1037-15-Internal Crown Light Rear Right Led-Circuit Short To Battery Or Open
- B1039-19-Aftermarket Radio Backlight-Circuit Current Above Threshold
- B1040-12-Front Wiper Relay 1ST Speed-Circuit Short To Battery
- B1040-13-Front Wiper Relay 1ST Speed-Circuit Open
- B1040-19-Front Wiper Relay 1ST Speed-Circuit Current Above Threshold
- B1041-13-Front Wiper Relay 2ND Speed-Circuit Open
- B1041-19-Front Wiper Relay 2ND Speed-Circuit Current Above Threshold
- B1042-64-Front Wiper Park Contact-Signal Plausibility Failure
- B1042-71-Front Wiper Park Contact-Actuator Stuck
- B1045-13-Rear Wiper-Circuit Open
- B1045-19-Rear Wiper-Circuit Current Above Threshold
- B1046-64-Rear Wiper Park Contact-Signal Plausibility Failure
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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.