Possible Causes
WARNING: This page is about a different car, the 2013 RAM 2500 HD and 2012 RAM Pickup. However, it is still accessible from the selected car via links, so may be relevant.
| Possible Causes |
|---|
| 5-VOLT SUPPLY CIRCUIT OPEN/HIGH RESISTANCE |
| 5-VOLT SUPPLY CIRCUIT SHORTED TO GROUND |
| A/C PRESSURE SIGNAL CIRCUIT SHORTED TO GROUND |
| A/C PRESSURE SIGNAL CIRCUIT SHORTED TO THE A/C PRESSURE TRANSDUCER GROUND CIRCUIT |
| A/C PRESSURE TRANSDUCER |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to STANDARD PROCEDURE .