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Home >> Ford >> 2009 >> Flex Limited, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 2045 (Engine Controls - Powertrain DTC Charts And Descriptions (Hybrid)) >> Diagnostic Trouble Code (DTC) Charts and Descriptions >> DTC P1290: Cylinder Head Temperature (CHT) Sensor Circuit Low

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

WARNING: This page is about a different car, the 2011 Mercury Milan, 2011 Lincoln MKZ, 2011 Ford Fusion, 2010 Mercury Milan, and 2010 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.
P1290 - CYLINDER HEAD TEMPERATURE (CHT) SENSOR CIRCUIT LOW

Description:  Indicates a CHT sensor circuit concern.
Possible Causes: 
  • Grounded circuit in CHT harness
  • Damaged CHT sensor
  • Incorrect harness connection
Diagnostic Aids:  A CHT V PID reading greater than 4.6 volts with KOEO or during any engine operating mode indicates a concern.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All GO to PINPOINT TEST DL .