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 MANUALSJEEP2023COMPASS LIMITEDREPAIR AND DIAGNOSISBODY & FRAMETOWING SYSTEMS(TRAILER TOW MODULE - ELECTRICAL DIAGNOSTICS)
2023 Jeep Compass Limited
(Trailer Tow Module - Electrical Diagnostics)
2023 Jeep Compass LimitedSECTION (Trailer Tow Module - Electrical Diagnostics)
- Diagnostic Code Index
- DTC Troubleshooting
- B166A-11-Left Trailer Tow Lamp Control - Circuit Short To Ground
- B166A-12-Left Trailer Tow Lamp Control - Circuit Short To Battery
- B166A-13-Left Trailer Tow Lamp Control - Circuit Open
- B166E-11-Right Trailer Tow Lamp Control - Circuit Short To Ground
- B166E-12-Right Trailer Tow Lamp Control - Circuit Short To Battery
- B166E-13-Right Trailer Tow Lamp Control - Circuit Open
- B16BB-11-Trailer Stop Lamp Control - Circuit Short To Ground
- B16BB-12-Trailer Stop Lamp Control - Circuit Short To Battery
- B16BB-13-Trailer Stop Lamp Control - Circuit Open
- B17AD-11-Rear Left Trailer Turn Lamp Control - Circuit Short To Ground
- B17AD-12-Rear Left Trailer Turn Lamp Control - Circuit Short To Battery
- B17AD-13-Rear Left Trailer Turn Lamp Control - Circuit Open
- B17B1-11-Rear Right Trailer Turn Lamp Control - Circuit Short To Ground
- B17B1-12-Rear Right Trailer Turn Lamp Control - Circuit Short To Battery
- B17B1-13-Rear Right Trailer Turn Lamp Control - Circuit Open
- B17C5-11-Trailer Tow Reverse Lamp Control - Circuit Short To Ground
- B17C5-12-Trailer Tow Reverse Lamp Control - Circuit Short To Battery
- B17C5-13-Trailer Tow Reverse Lamp Control - Circuit Open
- B17C9-11-Trailer Tow Rear Fog Lamp Control - Circuit Short To Ground
- B17C9-12-Trailer Tow Rear Fog Lamp Control - Circuit Short To Battery
- B17C9-13-Trailer Tow Rear Fog Lamp Control - Circuit Open
- B22A9-00-Ecu Internal Performance
- B235C-64-Trailer Connection - Signal Plausibility Failure
- C10CB-8F-Vehicle Speed Output - Erratic
- U0010-00-Can Interior Bus
- U0011-00-Can Interior Bus Off Performance
- U0140-00-Lost Communication With Body Control Module
- U0155-00-Lost Communication With Cluster-CCN
- U0422-00-Implausible Data Received From Body Control Module
- U0423-00-Implausible Data Received From Cluster-CCN
- Standard Procedure
RENDER: 1.0x
NO RELATED
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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.