GM Repair Questions? Ask a Mechanic for Answers ASAP
hi ,that is a speed control code ,the most likely cause is the clockspring in the column,if your cruise control does not work or does not work right,also it could be a dirty switch in the steering wheel ,..guy..
WHEN MONITORED With the ignition key on.SET CONDITION Speed control switch input above the maximum acceptable voltage at the PCM. One trip fault.POSSIBLE CAUSES
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding.DIAGNOSTIC TEST
NOTE: Do not press any of the Speed Control Switch buttons.Ignition on, engine not running.With a scan tool, read the Speed Control voltage.Q: Is the Speed Control voltage above 4.8 volts? YES: Go To 2NO: Refer to the INTERMITTENT CONDITION Diagnostic Procedure. Perform the POWERTRAIN VERIFICATION TEST. See: Verification Tests\Powertrain Verification Test