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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 P1290: - Cylinder Head Temperature (CHT) Sensor Circuit Low

DTC P1290: - Cylinder Head Temperature (CHT) Sensor Circuit Low

DTC P1290: - CYLINDER HEAD TEMPERATURE (CHT) SENSOR CIRCUIT LOW

Description:  Indicates a CHT sensor circuit short to ground.
Possible Causes: 
  • Grounded circuit in CHT harness
  • Damaged CHT sensor
  • Incorrect harness connection
Diagnostic Aids:  A CHT V PID value reading of less than 0.2 volt with the ignition ON engine OFF, or during any engine operating mode, indicates a concern is present. The DTC P0117 may also be reported when this DTC is set. Either of these DTCs activates the malfunction indicator lamp (MIL).
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All GO to Pinpoint Test DL .