Reference meaning
What does this code mean?
The wording below belongs to the named make and communication. Match the complete code, reporting module, model year and engine before applying it.
A code identifies a detected condition, not a part that must automatically be replaced.
Narrow by vehicle
A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
Before replacing a part
Record codes and freeze-frame data. Check battery condition, related codes and visible wiring or hose damage. Follow the vehicle's diagnostic procedure and test results before replacing parts.
Scan worksheet →Manufacturer communications
8Original wording in English
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…
Check vehicle applicability
6A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
Can I keep driving?
A code alone cannot establish whether driving is safe. A flashing malfunction light, severe shaking, overheating, oil-pressure warning or loss of braking or steering needs prompt attention. Stop in a safe place and seek assistance when control or engine safety is affected. Follow the vehicle handbook.