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Home >> Buick >> 1991 >> Reatta 2D Convertible >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes - Pcm/BCM >> Diagnostic Flow Charts For ECM/Pcm Codes: EO13 To EO69 >> Code EO65, Cruise Servo Position

Code EO65, Cruise Servo Position

The PCM supplies 5 volts to the cruise control servo position sensor. Depending upon actual servo position, the voltage on the servo position sensor circuit will indicate to PCM the position of the servo. Code EO65 will set if circuit No. 399 is open or if circuit No. 398 is open, or shorted to ground or voltage.

Fig 1: Code EO65, Schematic, Cruise Servo Position
G91C07465
Fig 2: Code EO65, Flow Chart, Cruise Servo Position
GB0022626