Chevrolet Trax: Lighting - Diagnostic information and procedures

 DTC B3976: Transponder authentication

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 Descriptor DT

 Power door locks description and operation

Door Lock System Components The power door lock system consists of the following components: Driver door lock switch Passenger door lock switch Child door lockout switch Door lock actuators in each of the doors Body control module (BCM) Underhood fuse block Power Door Locks Block Diagram F