Possible Causes
WARNING: This page is about a different car, the 2012 RAM Pickup. However, it is still accessible from the selected car via links, so may be relevant.
| Possible Causes |
|---|
| (C818) 5-VOLT SUPPLY CIRCUIT OPEN/HIGH RESISTANCE |
| (C818) 5-VOLT SUPPLY CIRCUIT SHORTED TO GROUND |
| (C18) A/C PRESSURE SENSOR SIGNAL CIRCUIT SHORTED TO GROUND |
| (C18) A/C PRESSURE SENSOR SIGNAL CIRCUIT SHORTED TO THE (C918) A/C PRESSURE SENSOR RETURN |
| (C18) A/C PRESSURE SENSOR SIGNAL CIRCUIT OPEN/HIGH RESISTANCE |
| A/C PRESSURE SENSOR |
| TOTALLY INTEGRATED POWER MODULE (TIPM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE - 6.7L .