Possible Causes
| Possible Causes |
|---|
| (K77) TRANSFER CASE POSITION SENSOR INPUT CIRCUIT OPEN OR HIGH RESISTANCE |
| (K77) TRANSFER CASE POSITION SENSOR INPUT CIRCUIT SHORTED TO GROUND |
| TRANSFER CASE SELECTOR SWITCH |
| DRIVETRAIN CONTROL MODULE (DTCM) |
Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .