Buick Regal: Diagnostic Information and Procedures

 Shifting out of Park

This vehicle is equipped with an electronic shift lock release system. The shift lock release is designed to prevent movement of the shift lever out of P (Park) unless the ignition is in on and the brake pedal is applied. The shift lock release is always functional except in the case of an uncharg

 DTC P0090-P0092, P00C8, P00C9, or P00CA

Diagnostic Instructions Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure. Review Strategy Based Diagnosis for an overview of the diagnostic approach. Diagnostic Procedure Instructions provides an overview of each diagnostic category. DTC Descriptors D