Code P099, Cruise Servo Applied Not In Cruise: Action

REDUCED ENGINE POWER displayed on DIC. PCM disables cruise control and reduces fuel delivery to selected cylinders.

NOTE: Test numbers refer to numbers on diagnostic chart.

Checks if PCM can control cruise control solenoid.
Checks if cruise control position sensor is working correctly.
Checks if cruise control servo will extend fully. If servo does not extend fully, check circuit No. 402 for a short to voltage.