Smart Junction Box (SJB) Diagnostic Trouble Code (DTC) Index
WARNING: This page is about a different car, the 2004 Mercury Monterey and 2004 Ford Freestar. However, it is still accessible from the selected car via links, so may be relevant.
SMART JUNCTION BOX (SJB) DIAGNOSTIC TROUBLE CODE (DTC) INDEX
| DTC | Description | Source | Action |
|---|---|---|---|
| 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 |