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Home >> Cadillac >> 1991 >> Fleetwood Base, 4D Sedan >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes >> Pcm Flow Charts Codes E12 To E99 >> Pcm Code E65, Cruise Control Servo Position Sensor Failure >> Description
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Pcm Code E65, Cruise Control Servo Position Sensor Failure: Description

PCM Code E65 will detect a cruise control servo position sensor shorted to ground. Cruise servo position sensor is a potentiometer that changes resistance with servo position. Code E65 sets when PCM detects a low voltage indicating a short to ground in cruise servo position sensor circuit.