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 Renegade TrailhawkFACTORY OEM SERVICE PROCEDURE
Module, Forward Facing Camera (FFCM)
DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| B1001-16 | POWER SUPPLY - CIRCUIT VOLTAGE BELOW THRESHOLD |
| B1001-17 | POWER SUPPLY - CIRCUIT VOLTAGE ABOVE THRESHOLD |
| B1006-49 | HALF (HAPTIC LANE FEEDBACK) - INTERNAL ELECTRONIC FAILURE |
| B1007-54 | HALF (HAPTIC LANE FEEDBACK) - MISSING CALIBRATION |
| B2206-00 | CURRENT VIN MISMATCH - NO SUBTYPE INFORMATION |
| C0063-29 | YAW RATE SENSOR FROM BRAKE SYSTEM MODULE - SIGNAL - SIGNAL INVALID |
| C0546-00 | VIN (VEHICLE IDENTIFICATION NUMBER) IMPLAUSIBLE OR INCOMPATIBLE FROM BODY CONTROL MODULE - NO SUBTYPE INFORMATION |
| C1003-29 | VEHICLE SPEED INFORMATION FROM BRAKE SYSTEM MODULE - SIGNAL - SIGNAL INVALID |
| C1401-64 | WHEEL SPEED PLAUSIBILITY FAILURE - SIGNAL PLAUSIBILITY FAILURE |
| C1401-86 | WHEEL SPEED PLAUSIBILITY FAILURE - SIGNAL INVALID |
| C1406-64 | BRAKE SWITCH PLAUSIBILITY - SIGNAL PLAUSIBILITY FAILURE |
| C1406-86 | BRAKE SWITCH PLAUSIBILITY - SIGNAL INVALID |
| C1407-86 | ACKNOWLEDGE SIGNAL FAIL FROM BRAKE SYSTEM MODULE (BSM) - SIGNAL INVALID |
| C1408-86 | ESC (ELECTRONIC STABILITY CONTROL) FAIL STATUS PRESENT - SIGNAL INVALID |
| C1413-86 | EXTERNAL LIGHT SIGNAL FAULT - SIGNAL INVALID |
| C1413-87 | EXTERNAL LIGHT SIGNAL FAULT - MISSING MESSAGE |
| C1414-87 | LOST COMMUNICATION WITH BCM (CAN MESSAGE C1_IGW2 MISSING FROM BODY CONTROL MODULE) - MISSING MESSAGE |
| C1433-86 | EXTERNAL BRAKE SIGNAL FAILURE FROM BRAKE SYSTEM MODULE (BSM) - SIGNAL INVALID |
| C1434-94 | BRAKE JERK REQUEST NOT PLAUSIBLE - UNEXPECTED OPERATION |
| C143A-86 | TRAILER TOW MODULE STOP LIGHT SIGNAL FROM TTM (TRAILER TOW MODULE) FAIL - SIGNAL INVALID |
| C14A5-68 | SENSOR BLINDED - EVENT INFORMATION |
| C14A5-97 | SENSOR BLINDED - COMPONENT OR SYSTEM OPERATION OBSTRUCTED OR BLOCKED |
| C14AA-64 | SENSOR ADJUSTMENT REQUIRED - SIGNAL PLAUSIBILITY FAILURE |
| C2210-4B | ECU OVERTEMPERATURE - OVER TEMPERATURE |
| U0001-88 | C3 CAN BUS (PRIVATE) - BUS OFF |
| U0055-00 | CAN C2 BUS-NO SUBTYPE INFORMATION |
| U0056-00 | CAN C2 BUS OFF PERFORMANCE-NO SUBTYPE INFORMATION |
| U0100-00 | LOSS OF COMMUNICATION WITH ENGINE CONTROL MODULE-ECM-NO SUBTYPE INFORMATION |
| U0100-87 | LOST COMMUNICATION WITH ENGINE CONTROL MODULE (ECM) - MISSING MESSAGE |
| U0101-87 | C2 CAN BUS-MISSING MESSAGE |
| U0101-88 | C2 CAN BUS-BUS OFF |
| U0121-00 | LOSS OF COMMUNICATION WITH BRAKE SYSTEM MODULE-BSM-NO SUBTYPE INFORMATION |
| U0121-87 | LOSS OF COMMUNICATION WITH BRAKE SYSTEM MODULE (BSM) - MISSING MESSAGE |
| U0121-8F | LOSS OF COMMUNICATION WITH BRAKE SYSTEM MODULE (BSM) - ERRATIC |
| U0131-00 | LOSS OF COMMUNICATION WITH ELECTRIC POWER STEERING-EPS-NO SUBTYPE INFORMATION |
| U0140-00 | LOSS OF COMMUNICATION WITH BODY CONTROL MODULE-BCM-NO SUBTYPE INFORMATION |
| U0140-87 | LOSS OF COMMUNICATION WITH BODY CONTROL MODULE (BCM) - MISSING MESSAGE |
| U0140-8F | LOSS OF COMMUNICATION WITH BODY CONTROL MODULE (BCM) - ERRATIC |
| U0155-00 | LOSS OF COMMUNICATION WITH INSTRUMENT PANEL CLUSTER-IPC-NO SUBTYPE INFORMATION |
| U0401-29 | IMPLAUSIBLE DATA RECEIVED FROM ENGINE CONTROL MODULE (ECM) - SIGNAL - SIGNAL INVALID |
| U0401-64 | IMPLAUSIBLE DATA RECEIVED FROM ENGINE CONTROL MODULE (ECM) - SIGNAL PLAUSIBILITY FAILURE |
| U0415-00 | IMPLAUSIBLE DATA RECEIVED FROM BRAKE SYSTEM MODULE-BSM-NO SUBTYPE INFORMATION |
| U0420-00 | IMPLAUSIBLE DATA RECEIVED FROM ELECTRIC POWER STEERING-EPS-NO SUBTYPE INFORMATION |
| U0420-29 | IMPLAUSIBLE DATA RECEIVED FROM ELECTRIC POWER STEERING (EPS) - SIGNAL - SIGNAL INVALID |
| U0422-00 | IMPLAUSIBLE DATA RECEIVED FROM BODY CONTROL MODULE BCM-NO SUBTYPE INFORMATION |
| U0422-29 | IMPLAUSIBLE DATA RECEIVED FROM BODY CONTROL MODULE - SIGNAL - SIGNAL INVALID |
| U1415-00 | IMPLAUSIBLE/MISSING VEHICLE CONFIGURATION DATA - NO SUBTYPE INFORMATION |
| U1700-86 | BODY CONTROL MODULE (BCM) - SIGNAL INVALID |
| U1700-87 | BODY CONTROL MODULE (BCM) - MISSING MESSAGE |
| U1701-87 | ENGINE CONTROL MODULE (ECM) - MISSING MESSAGE |
| U1702-29 | ELECTRIC POWER STEERING (EPS) - SIGNAL - SIGNAL INVALID |
| U1702-64 | ELECTRIC POWER STEERING (EPS) - SIGNAL PLAUSIBILITY FAILURE |
| U1702-86 | ELECTRIC POWER STEERING (EPS) - SIGNAL INVALID |
| U1702-87 | ELECTRIC POWER STEERING (EPS) - MISSING MESSAGE |
| U1706-86 | BRAKE SYSTEM MODULE (BSM) - SIGNAL INVALID |
| U1706-87 | BRAKE SYSTEM MODULE (BSM) - MISSING MESSAGE |
| U1930-86 | HALF OPERATIONAL MODE STATUS-SIGNAL INVALID |
| U1931-86 | HALF (HAPTIC LANE FEEDBACK) OPERATIONAL MODE STATUS - SIGNAL INVALID |
| U1932-86 | IGNITION WORKING CONDITION SIGNAL FROM BODY CONTROL MODULE - SIGNAL INVALID |
| U1933-87 | BCM-COMMAND FROM BODY CONTROL MODULE-BCM-MISSING MESSAGE |
| U1934-87 | BCM-COMMAND- FROM BCM-AND BODY2- FROM BCM-MISSING MESSAGE |
| U1950-83 | IMPLAUSIBLE DATA RECEIVED FROM BODY CONTROL MODULE (CAN MESSAGE BCM_COMMAND INTEGRITY ERROR) - VALUE OF SIGNAL PROTECTION CALCULATION INCORRECT |
| U1952-83 | IMPLAUSIBLE DATA RECEIVED FROM BRAKE SYSTEM MODULE (CAN MESSAGE BRAKE1 INTEGRITY ERROR) - VALUE OF SIGNAL PROTECTION CALCULATION INCORRECT |
| U1958-83 | IMPLAUSIBLE DATA RECEIVED FROM BRAKE SYSTEM MODULE (CAN MESSAGE BSM_YRS_DATA INTEGRITY ERROR) - VALUE OF SIGNAL PROTECTION CALCULATION INCORRECT |
| U195E-83 | IMPLAUSIBLE DATA RECEIVED FROM ELECTRIC POWER STEERING (CAN MESSAGE EPS_TORQUE_OVERLAY INTEGRITY ERROR) - VALUE OF SIGNAL PROTECTION CALCULATION INCORRECT |
| U1966-83 | IMPLAUSIBLE DATA RECEIVED FROM ELECTRIC POWER STEERING (CAN MESSAGE GE INTEGRITY ERROR) - VALUE OF SIGNAL PROTECTION CALCULATION INCORRECT |
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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