Possible Causes
WARNING: This page is about a different car, the 2011 RAM Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
| Possible Causes |
| (C818) A/C PRESSURE 5-VOLT SUPPLY CIRCUIT SHORT TO VOLTAGE |
| (C818) A/C PRESSURE 5-VOLT SUPPLY CIRCUIT OPEN |
| A/C PRESSURE TRANSDUCER |
| TOTALLY INTEGRATED POWER MODULE (TIPM) |