Possible Sources
WARNING: This page is about a different variant/trim than selected.
- Low coolant level
- External engine coolant leak
- Airlock in system
- Pressure relief cap installation
- Restricted airflow through A/C condenser/radiator
- Internal engine coolant leak
- Coolant condition/concentration
- Non-OEM engine enhancement components
- Electric cooling fan
- CHT sensor
- Radiator
- Thermostat
- Temperature gauge
- Coolant pump
- Coolant flow restriction
DIAGNOSTIC TROUBLE CODE (DTC) FAULT TRIGGER CONDITIONS
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| P1285 | Cylinder Head Overtemperature Condition | Sets in the PCM when an engine overheat condition was sensed by the CHT sensor. |
| P1299 | Cylinder Head Overtemperature Protection Active | Sets in the PCM when an engine overheat condition was detected by the CHT sensor. A failure mode effects management strategy called fail-safe cooling was activated to cool the engine |