Join Date: Feb 2013
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sometimes you can "self test" the cruise control buttons by pressing and holding the "off" button while turning the key on.
-the cruise control light should flash a number of times
-then press "on", "resume", "coast", and "set" while watching for the cruise control light to flash after each button press.
-if all the buttons pass the test it will normally self test the control actuator by opening the throttle body(when equipped)
-if anything fails the test it will flash a single digit code that can then be further diaged.