Possible Causes
| Possible Causes |
|---|
| FRONT LOCKER SWITCH SENSE CIRCUIT SHORTED TO VOLTAGE |
| FRONT LOCKER SWITCH SENSE CIRCUIT OPEN/HIGH RESISTANCE |
| FRONT LOCKER SENSOR RETURN CIRCUIT OPEN/HIGH RESISTANCE |
| FRONT AXLE LOCKER SENSOR |
| DRIVETRAIN CONTROL MODULE (DTCM) |
Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .