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.
2021 Jeep Compass Altitude, FWDFACTORY OEM SERVICE PROCEDURE
Module, Integrated Center Stack
DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| B157F-2A | BUTTON/KNOB - STUCK |
| B210D-16 | BATTERY VOLTAGE LOW - CIRCUIT BELOW THRESHOLD |
| B210E-17 | BATTERY VOLTAGE HIGH - CIRCUIT VOLTAGE ABOVE THRESHOLD |
| B22A9-00 | ECU INTERNAL PERFORMANCE |
| U0011-00 | CAN INTERIOR BUS OFF PERFORMANCE |
| U0140-00 | LOST COMMUNICATION WITH BODY CONTROL MODULE |
| U0155-00 | LOST COMMUNICATION WITH CLUSTER-CCN |
| U0164-00 | LOST COMMUNICATION WITH HVAC CONTROL MODULE |
| U0422-00 | IMPLAUSIBLE DATA RECEIVED FROM BODY CONTROL MODULE |
| U0423-00 | IMPLAUSIBLE DATA RECEIVED FROM CLUSTER-CCN |
| U0424-00 | IMPLAUSIBLE DATA RECEIVED FROM HVAC CONTROL MODULE |
| U120E-00 | LOST COMMUNICATION WITH COMFORT SEAT AND WHEEL MODULE |
| U1430-00 | IMPLAUSIBLE DATA RECEIVED FROM COMFORT SEAT AND WHEEL MODULE |
Factory Service Tools
Use the Manual With the Right Hardware
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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.
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