Exterior Lighting System DTCS
GENERIC ELECTRONIC MODULE (GEM) DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Action |
|---|---|---|
| B1499 | Lamp Turn Signal Left Circuit Failure | GO to PINPOINT TEST N . |
| B1503 | Lamp Turn Signal Right Circuit Failure | GO to PINPOINT TEST N . |
| B1810 | Lamp Backup Switch Input Circuit Failure | GO to PINPOINT TEST Z . |
| B1875 | Turn Signal/Hazard Switch Signal Circuit Failure | GO to PINPOINT TEST O . |
| B2281 | Right Turn Switch Short to Ground | GO to PINPOINT TEST M . |
| B2254 | Front Fog Lamp Switch Failure | GO to PINPOINT TEST T . |
| B2282 | Left Turn Switch Short to Ground | GO to PINPOINT TEST M . |
| B2509 | Rear Fog Lamp Switch Circuit Failure | GO to PINPOINT TEST W . |
| All other DTCs | - | REFER to the Diagnostic Trouble Code (DTC) Chart in MULTIFUNCTION ELECTRONIC MODULES . |
INSTRUMENT CLUSTER (IC) DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Action |
|---|---|---|
| B1312 | Lamp Headlamp Input Circuit Short to Battery | GO to PINPOINT TEST E . |
| B1510 | Flash to Pass Switch Circuit Short to Ground | GO to PINPOINT TEST F . |
| B1568 | Lamp Headlamp High-Beam Circuit Open | If the high beams are inoperative, GO to PINPOINT TEST B . If the high beams are always on, GO to PINPOINT TEST F . |
| B1569 | Lamp Headlamp High-Beam Circuit Short to Battery | GO to PINPOINT TEST B . |
| B1795 | Lamp Headlamp Low-Beam Circuit Open | GO to PINPOINT TEST G . |
| B1796 | Lamp Headlamp Low-Beam Circuit Short to Battery | GO to PINPOINT TEST G . |
| B2A23 | High Beam Input Circuit Short to Ground | If the high beams are inoperative, GO to PINPOINT TEST B . If the high beams are always on, GO to PINPOINT TEST F . |
| All other DTCs | - | REFER to the Diagnostic Trouble Code (DTC) Chart in MULTIFUNCTION ELECTRONIC MODULES . |