Possible Causes
| Possible Causes |
|---|
| UGDO ENABLE CONTROL CIRCUIT OPEN OR HIGH RESISTANCE |
| UGDO ENABLE CONTROL CIRCUIT SHORTED TO GROUND |
| UNIVERSAL GARAGE DOOR OPENER (UGDO) |
| BODY CONTROL MODULE (BCM) |
Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to STANDARD PROCEDURE .