P1285 - Cylinder Head Over Temperature Condition - DTC Chart
P1285 - CYLINDER HEAD OVER TEMPERATURE CONDITION - DTC CHART
| Description: This DTC sets when 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 illuminates or forces 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 PCM, or by sending a PCM network message to the instrument panel cluster (IPC). | |||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to Pinpoint Test DL . | ||