DTC P1285: Cylinder Head Over Temperature
WARNING: This page does not describe the selected car, but rather 32 other vehicles, including the 2005 Mercury Sable, 2005 Mercury Mountaineer, 2005 Mercury Monterey, 2005 Mercury Montego, and 2005 Mercury Mariner. However, it is still accessible from the selected car via links, so may be relevant.
P1285 - CYLINDER HEAD OVER TEMPERATURE
| Description: | Indicates an engine overheat condition was sensed by the cylinder head temperature (CHT) sensor. | ||
| Possible Causes: |
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| Diagnostic Aids: | On some applications when this fault occurs the engine temperature warning indicator will illuminate or force the temperature gauge to the full H (hot) zone. The warning indicator can be triggered by either grounding the engine temperature warning circuit when wired to the powertrain control module (PCM), or by sending a PCM network message to the instrument cluster. | ||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to DL: Cylinder Head Temperature (CHT) Sensor STEP DL17. | ||