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 Cherokee TrailhawkFACTORY OEM SERVICE PROCEDURE
Module, Forward Facing Camera (FFCM)
DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| B1EAD-2A | LANE DEPARTURE WARNING SWITCH - STUCK |
| C008E-00 | ECU INTERNAL PERFORMANCE |
| C008F-00 | CALIBRATION NOT LEARNED |
| C14A4-00 | SENSOR ADJUSTMENT REQUIRED |
| C14A5-00 | SENSOR BLINDED |
| C211B-16 | IGNITION RUN-START INPUT - CIRCUIT VOLTAGE BELOW THRESHOLD |
| C211B-17 | IGNITION RUN-START INPUT - CIRCUIT VOLTAGE ABOVE THRESHOLD |
| C2206-00 | VEHICLE CONFIGURATION MISMATCH |
| C2210-00 | ECU OVERTEMPERATURE |
| C2212-00 | ECU IN - PLANT MODE |
| U0002-00 | CAN C BUS OFF PERFORMANCE |
| U0011-00 | CAN INTERIOR BUS OFF PERFORMANCE |
| U0100-00 | LOST COMMUNICATION WITH ECM/PCM |
| U0104-00 | LOST COMMUNICATION WITH CRUISE CONTROL MODULE |
| U0129-00 | LOST COMMUNICATION WITH BRAKE SYSTEM CONTROL MODULE |
| U0131-00 | LOST COMMUNICATION WITH ELECTRIC POWER STEERING CONTROL MODULE |
| U0140-00 | LOST COMMUNICATION WITH BODY CONTROL MODULE |
| U0151-00 | LOST COMMUNICATION WITH OCCUPANT RESTRAINT CONTROLLER (ORC) |
| U0212-00 | LOST COMMUNICATION WITH STEERING COLUMN CONTROL MODULE |
| U0401-00 | IMPLAUSIBLE DATA RECEIVED FROM ECM-PCM |
| U0405-00 | INVALID DATA RECEIVED FROM CRUISE CONTROL MODULE |
| U0418-00 | IMPLAUSIBLE DATA RECEIVED FROM BRAKE SYSTEM CONTROL MODULE |
| U0422-00 | IMPLAUSIBLE DATA RECEIVED FROM BODY CONTROL MODULE |
| U0428-00 | IMPLAUSIBLE DATA RECEIVED FROM STEERING ANGLE SENSOR MODULE |
| U0452-00 | IMPLAUSIBLE DATA RECEIVED FROM RESTRAINTS CONTROL MODULE |
| U1447-00 | IMPLAUSIBLE DATA RECEIVED FROM SCM |
| U1464-00 | IMPLAUSIBLE DATA RECEIVED FROM EPS STEERING TORQUE |
Factory Service Tools
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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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