DTC P1299: Cylinder Head Over Temperature Protection Active
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.
P1299 - CYLINDER HEAD OVER TEMPERATURE PROTECTION ACTIVE
| Description: | Indicates an engine overheat condition was detected by the cylinder head temperature (CHT) sensor. An FMEM strategy called fail-safe cooling was activated to cool the engine. | ||
| Possible Causes: |
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| Diagnostic Aids: | Refer to FAIL-SAFE COOLING STRATEGY and CYLINDER HEAD TEMPERATURE (CHT) SENSOR for more information. | ||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to DL: Cylinder Head Temperature (CHT) Sensor STEP DL20. | ||