Possible Causes
| Possible Causes |
|---|
| AAT SIGNAL CIRCUIT OPEN |
| SENSOR GROUND CIRCUIT OPEN |
| AMBIENT AIR TEMPERATURE (AAT) SENSOR |
| BODY CONTROL MODULE (BCM) |
Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .