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 MANUALSJEEP2023CHEROKEE TRAILHAWKREPAIR AND DIAGNOSIS (SINGLE PAGE)QUICK LOOKUPSDTC INDEXDTC INDEX (1 OF 2)MODULE, ADAPTIVE FRONT LIGHTING SYSTEM
2023 Jeep Cherokee Trailhawk
Module, Adaptive Front Lighting System
2023 Jeep Cherokee TrailhawkSECTION Module, Adaptive Front Lighting System
DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| B167C-92 | FRONT HEADLAMP LEVELING SENSOR - PERFORMANCE OR INCORRECT OPERATION |
| B1680-92 | REAR HEADLAMP LEVELING SENSOR - PERFORMANCE OR INCORRECT OPERATION |
| B1684-96 | LEFT HEADLAMP LEVELING MOTOR CONTROL - COMPONENT INTERNAL FAILURE |
| B1689-96 | RIGHT HEADLAMP LEVELING MOTOR CONTROL - COMPONENT INTERNAL FAILURE |
| B22A9-00 | ECU INTERNAL PERFORMANCE |
| B2866-1C | LEFT HEADLAMP LEVELING MODULE - CIRCUIT VOLTAGE OUT OF RANGE |
| B2879-1C | RIGHT HEADLAMP LEVELING MODULE - CIRCUIT VOLTAGE OUT OF RANGE |
| U0001-88 | CAN C BUS OFF |
| U0002-00 | CAN C BUS OFF PERFORMANCE |
| U0037-86 | LIN BUS-SIGNAL INVALID |
| U0037-88 | LIN BUS-BUS OFF |
| U0100-00 | LOST COMMUNICATION WITH ECM/PCM |
| U0121-00 | LOST COMMUNICATION WITH BSM BRAKE SYSTEM MODULE NODE ABSENT |
| U0140-00 | LOST COMMUNICATION WITH BODY CONTROL MODULE |
| U0401-00 | IMPLAUSIBLE DATA RECEIVED FROM ECM/PCM |
| U0415-00 | INVALID DATA RECEIVED FROM ANTI-LOCK BRAKE SYSTEM (ABS) CONTROL MODULE |
| U0422-00 | IMPLAUSIBLE DATA RECEIVED FROM BODY CONTROL MODULE |
| U1102-00 | LOST COMMUNICATION WITH LEFT HEADLAMP LEVELING CONTROL MODULE |
| U1103-00 | LOST COMMUNICATION WITH RIGHT HEADLAMP LEVELING CONTROL MODULE- |
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.