Diagnostic Aids

Remove any debris from Powertrain Control Module (PCM) harness connector. Inspect PCM harness connector gasket for correct installation. Test drive vehicle if a switch or circuit fault cannot be located. An intermittent condition may be duplicated during test drive. Adjust cruise control release switch. See CRUISE CONTROL RELEASE SWITCH, STOPLIGHT SWITCH & TORQUE CONVERTER CLUTCH/BRAKE SWITCH  under ADJUSTMENTS.