DTC P1289: Cylinder Head Temperature (CHT) Sensor Circuit High
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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 illuminate the malfunction indicator lamp (MIL). | |||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to PINPOINT TEST DL . | ||