Possible Causes
| Possible Causes |
|---|
| ENGINE COOLANT TEMPERATURE SENSOR WIRING OR CONNECTORS |
| (K2) ECT SIGNAL CIRCUIT HIGH RESISTANCE |
| (K900) SENSOR GROUND CIRCUIT HIGH RESISTANCE |
| ENGINE COOLANT LEVEL AND CONDITION |
| THERMOSTAT |
| ENGINE COOLANT TEMPERATURE SENSOR |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure .