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Ford P1289 DTC Code: Meaning, Causes, & Diagnosis

Drivetrain Resource

P1289 is a manufacturer-specific diagnostic trouble code. In the case of Ford-built vehicles, it indicates that the cylinder head temperature sensor returned a value to the powertrain control module (PCM) that was greater than the signal should be during a self-test. P1289 Ford Definition: Cylinder Head Temp Sensor – Signal …

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