The procedure is to install a scan tool, monitor the ECM for DTCs with a scan tool, select the CKP System Variation Learn Procedure, block the drive wheels, set the parking brake, cycle the ignition from off to on, apply and hold the brake pedal for the duration of the procedure, start and idle the engine, turn the air conditioning (A/C) off, accelerate to wide open throttle (WOT) and release when the fuel cut-off occurs, and then turn off the ignition for 30 seconds after the learn procedure is completed successfully.
By BobGM Specialist
29/10/2022