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