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Home >> Ford >> 2000 >> Contour SE, 2.5 L, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 753 (Engine Controls - Powertrain DTC Charts & Descriptions - CNG, Flex-Fuel & Gasoline) >> Diagnostic Trouble Code (DTC) Charts >> P1289 - Cylinder Head Temperature (CHT) Sensor Circuit High Input

P1289 - Cylinder Head Temperature (CHT) Sensor Circuit High Input

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P1289 - CYLINDER HEAD TEMPERATURE (CHT) SENSOR CIRCUIT HIGH INPUT

Description:  Indicates a CHT sensor circuit malfunction (open).
Possible Causes: 
  • Open CHT sensor circuit.
  • CHT sensor circuit short to PWR.
  • Damaged CHT sensor.
  • Improper harness connection.
  • Damaged PCM.
Diagnostic Aids:  A CHT V PID reading greater than 4.6 volts with key ON and engine OFF or during any engine operating mode indicates a hard fault. DTC P0118 may also be reported when this DTC is set. Either of these DTCs activate the MIL light.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All GO to DL: Cylinder Head Temperature (CHT) Sensor STEP 7 GO to DL: Cylinder Head Temperature (CHT) Sensor STEP 7 GO to DL: Cylinder Head Temperature (CHT) Sensor STEP 15