Possible Causes
WARNING: This page is about a different car, the 2013 RAM 3500 HD and 2013 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
| Possible Causes |
|---|
| AAT SIGNAL CIRCUIT SHORTED TO VOLTAGE |
| AAT SIGNAL CIRCUIT OPEN OR HIGH RESISTANCE |
| AAT SENSOR GROUND CIRCUIT OPEN OR HIGH RESISTANCE |
| AMBIENT AIR TEMPERATURE (AAT) SENSOR |
| DRIVERS DOOR MODULE (DDM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to STANDARD PROCEDURE .