DTC P1289: Cylinder Head Temperature (CHT) Sensor Circuit High
WARNING: This page does not describe the selected car, but rather 33 other vehicles, including the 2010 Mercury Mountaineer, 2010 Mercury Milan, 2010 Mercury Mariner, 2010 Mercury Grand Marquis, and 2010 Lincoln Town Car. However, it is still accessible from the selected car via links, so may be relevant.
DTC P1289: CYLINDER HEAD TEMPERATURE (CHT) SENSOR CIRCUIT HIGH
| Description: | Indicates a CHT sensor circuit open. | ||
| Possible Causes: |
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| Diagnostic Aids: | A CHT V PID reading of greater than 4.6 volts with ignition ON engine OFF, or during any engine operating mode, indicates a concern is present. DTC P0118 may also be reported when this DTC sets. Either of these DTCs activate the malfunction indicator lamp (MIL). | ||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to PINPOINT TEST DL . | ||