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 DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTCOMMUNICATION DEVICESGLOBAL TELEMATICS BOX MODULE - DTCS B156A-15 TO U196A-83
2023 Jeep Compass Limited
Global Telematics Box Module - DTCS B156A-15 To U196A-83
2023 Jeep Compass LimitedSECTION Global Telematics Box Module - DTCS B156A-15 To U196A-83
- DTC Troubleshooting
- B156A-15-Green Road Assist Call Led Control-Circuit Short To Battery Or Open
- B1570-93-USB Communication-No Operation
- B1E21-16-Backup Battery-Circuit Voltage Below Threshold
- B1E21-96-Backup Battery-Component Internal Failure
- B210D-16-Battery Voltage Low-Circuit Voltage Below Threshold
- B210E-17-Battery Voltage High-Circuit Voltage Above Threshold
- B2206-00-Current VIN Missing-Mismatch
- B222C-00-Vehicle Configuration Not Programmed
- B22A9-96-Ecu Internal Performance-Component Internal Failure
- B273C-87-Digital Crash Input-Missing Message
- U0001-00-Can C Bus
- U0002-00-Can C Bus Off Performance
- U0010-00-Can Interior Bus
- U0011-00-Can Interior Bus Off Performance
- U0100-00-Lost Communication With ECM/Pcm "A"
- U0129-00-Lost Communication With Brake System Control Module
- U0140-00-Lost Communication With Body Control Module
- U0151-00-Lost Communication With Occupant Restraint Controller (Orc)
- U0155-00-Lost Communication With Cluster-CCN
- U0184-00-Lost Communication With Radio
- U0401-86-Implausible Data Received From ECM/Pcm "A"-Signal Invalid
- U0418-64-Implausible Data Received From Brake System Control Module 1-Signal Plausibility Failure
- U0418-86-Implausible Data Received From Brake System Control Module 1-Signal Invalid
- U0422-86-Implausible Data Received From Body Control Module-Signal Invalid
- U0423-86-Implausible Data Received From Cluster/CCN-Signal Invalid
- U0452-64-Implausible Data Received From Restraints Control Module-Signal Plausibility Failure
- U0452-86-Implausible Data Received From Restraints Control Module-Signal Invalid
- U0485-64-Implausible Data Received From Radio-Signal Plausibility Failure
- U0485-86-Implausible Data Received From Radio-Signal Invalid
- U1930-86 Ecu Operational Mode Status Internal Signal Invalid
- U1933-87 Lost Communication With BCM (Can Message Status BH_BCM1 Missing From Body Control Module) Missing Message
- U1934-87 Lost Communication With BCM (Can Messages Status BH_BCM1 And Status_Status_BH_BCM2 Missing From Body Control Module) Missing Message
- U1952-83 Implausible Data Received From Brake System Module (Can Message Brake1 Integrity Error) Value Of Signal Protection Calculation Incorrect
- U196A-83 Implausible Data Received From Occupant Restraint Control (Can Message Impact_Info Integrity Error) 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.