Exterior Lighting DTCS: Headlamps
SMART JUNCTION BOX (SJB) DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Source | Perform Test |
|---|---|---|---|
| B1342 | ECU is Defective | SJB | CLEAR the DTCs. RETRIEVE the DTCs. If DTC B1342 is retrieved, INSTALL a new SJB. REFER to MULTIFUNCTION ELECTRONIC MODULES . |
| B2501 | LF Low Beam Circuit Failure | SJB | If the low beam is inoperative, GO to PINPOINT TEST B
. If the low beam is always on, GO to PINPOINT TEST C . |
| B2503 | RF Low Beam Circuit Failure | SJB | If the low beam is inoperative, GO to PINPOINT TEST B
. If the low beam is always on, GO to PINPOINT TEST C . |
| B2586 | Headlamp Mode Select Circuit Failure | SJB | GO to PINPOINT TEST A . |
| B2598 | Headlamp Relay Circuit Failure | SJB | If the high beams are inoperative, GO to PINPOINT TEST A
. If the high beams are always on, GO to PINPOINT TEST C . |
| All other DTCs | - | SJB | REFER to MULTIFUNCTION ELECTRONIC MODULES . |