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Home >> Ford >> 2009 >> Taurus X SEL, FWD >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Controls - Powertrain DTC Charts & Descriptions (Except Diesel & Hybrid) >> DTC Diagnosis >> DTC P1289: - Cylinder Head Temperature (CHT) Sensor Circuit High

DTC P1289: - Cylinder Head Temperature (CHT) Sensor Circuit High

DTC P1289: - CYLINDER HEAD TEMPERATURE (CHT) SENSOR CIRCUIT HIGH

Description:  Indicates a CHT sensor circuit open.
Possible Causes: 
  • Open CHT sensor circuit
  • CHT sensor circuit short to voltage
  • Damaged CHT sensor
  • Incorrect harness connection
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 is set. Either of these DTCs activate the MIL.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All GO to Pinpoint Test DL .