B2955

BUICK, CHEVROLET

Security Light Comes On Intermittently, Malfunction Indicator Light (MIL) Illuminated, DTC B2955 Set

BUICK, CHEVROLET

THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO REPROGRAM THE BCM TO CORRECT A CUSTOMER CONCERN THAT THE SECURITY LIGHT IS ILLUMINATED AND DTC B2955 SET DUE TO THE BCM DETECTING A FALSE CIRCUIT FAULT ON THE IMMOBILIZER ANTENNA CIRCUITS.

BUICK, CHEVROLET

THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO REPROGRAM THE BCM TO CORRECT A CUSTOMER CONCERN THAT THE SECURITY LIGHT IS ILLUMINATED AND DTC B2955 SET DUE TO THE BCM DETECTING A FALSE CIRCUIT FAULT ON THE IMMOBILIZER ANTENNA CIRCUITS.

CHEVROLET, GMC

This Preliminary Information communication provides information to the technician about vehicles that may have a Service Theft System message displayed in the Driver Information Center. Technician may find a Diagnostic Trouble Code B2955 stored in the Body Control Module. Technician should inspect the connections at the immobili…