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 |
|---|
| LOW COOLANT LEVEL |
| (K2) ECT SIGNAL CIRCUIT SHORTED TO VOLTAGE |
| (K2) ECT SIGNAL CIRCUIT OPEN |
| (K900) SENSOR GROUND CIRCUIT OPEN |
| (K2) ECT SIGNAL CIRCUIT SHORTED TO GROUND |
| (K2) ECT SIGNAL CIRCUIT SHORTED TO THE (K900) SENSOR GROUND |
| THERMOSTAT |
| ENGINE COOLANT TEMPERATURE (ECT) SENSOR |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .