Possible Causes
WARNING: This page is about a different car, the 2017 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
| POSSIBLE CAUSES |
|---|
| A/C PRESSURE SENSOR SIGNAL CIRCUIT SHORTED TO VOLTAGE |
| 5-VOLT SUPPLY CIRCUIT SHORTED TO VOLTAGE |
| SENSOR RETURN CIRCUIT OPEN/HIGH RESISTANCE |
| A/C PRESSURE SENSOR |
| POWERTRAIN CONTROL MODULE (PCM) |
Always Perform The PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE Before Proceeding. Refer To PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .