Possible Causes
| Possible Causes |
|---|
| 5 VOLT REFERENCE SIGNAL CIRCUIT OPEN |
| 5 VOLT REFERENCE SIGNAL CIRCUIT SHORTED TO GROUND |
| MODE DOOR SIGNAL CIRCUIT SHORTED TO GROUND |
| MODE DOOR SIGNAL CIRCUIT SHORTED TO ANOTHER CIRCUIT |
| FRONT MODE DOOR ACTUATOR |
| HVAC MODULE |
Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .