Exterior Lighting: Headlamps
SMART JUNCTION BOX (SJB) DIAGNOSTIC TROUBLE CODES (DTC) LIST
| DTC | Description | Perform Test |
|---|---|---|
| B1472 | Lamp Headlamp Input Circuit Short to Ground | Go to Pinpoint Test D . |
| B1510 | Flash to Pass Switch Circuit Short to Ground | Go to Pinpoint Test D . |
| B1570 | Lamp Headlamp High-Beam Circuit Short to Ground | Go to Pinpoint Test C . |
| B1797 | Lamp Headlamp Low-Beam Circuit Short to Ground | Go to Pinpoint Test B . |
| B2501 | LF Lamp Low Beam Circuit Failure | If the low beam is inoperative, go to Pinpoint Test B
. If the low beam is always on, go to Pinpoint Test D . |
| B2503 | RF Lamp Low Beam Circuit Failure | If the low beam is inoperative, go to Pinpoint Test B
. If the low beam is always on, go to Pinpoint Test D . |
| B2505 | LF Lamp High Beam Circuit Failure | If the high beam is inoperative, go to Pinpoint Test C
. If the high beam is always on, go to Pinpoint Test D . |
| B2507 | RF Lamp High Beam Circuit Failure | If the high beam is inoperative, go to Pinpoint Test C
. If the high beam is always on, go to Pinpoint Test D . |
| All other DTCs | - | REFER to MULTIFUNCTION ELECTRONIC MODULES article. |