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Exterior Lighting DTCS

EXTERIOR LIGHTING 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 SMART JUNCTION BOX (SJB) .
B2501 LF Low Beam Circuit Failure SJB If the low beam is inoperative, Go To PINPOINT TEST B: ONE LOW BEAM HEADLAMP IS INOPERATIVE . If the low beam is always on, Go To PINPOINT TEST C: THE HEADLAMPS ARE ON CONTINUOUSLY .
B2503 RF Low Beam Circuit Failure SJB If the low beam is inoperative, Go To PINPOINT TEST B: ONE LOW BEAM HEADLAMP IS INOPERATIVE . If the low beam is always on, Go To PINPOINT TEST C: THE HEADLAMPS ARE ON CONTINUOUSLY .
B2586 Headlamp Mode Select Circuit Failure SJB Go To PINPOINT TEST A: THE HIGH BEAMS ARE INOPERATIVE .
B2598 Headlamp Relay Circuit Failure SJB If the high beams are inoperative, Go To PINPOINT TEST A: THE HIGH BEAMS ARE INOPERATIVE . If the high beams are always on, Go To PINPOINT TEST C: THE HEADLAMPS ARE ON CONTINUOUSLY