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
3Original wording in English
BUICK, CADILLAC, CHEVROLET, GMC, HUMMER, OLDSMOBILE, PONTIAC, SATURN
This Preliminary Information communication provides information to the technician about vehicles that has a red LED and DTC B2455 setting current in the Vehicle Communication Interface Module after performing Canada upgrade. Technician will need to gain access to the Vehicle Communication Interface Module. After gaining access t…
BUICK, CADILLAC, CHEVROLET, GMC, HUMMER, OLDSMOBILE, PONTIAC, SATURN
This Preliminary Information communication provides information to the technician about vehicles that has a red LED and DTC B2455 setting current in the Vehicle Communication Interface Module after performing Canada upgrade. Technician will need to gain access to the Vehicle Communication Interface Module. After gaining access t…
CADILLAC, CHEVROLET, PONTIAC, SATURN
This Preliminary Information communication provides information to the technician about vehicles that has a red LED and DTC B2455 setting current in the Vehicle Communication Interface Module after performing Canada upgrade. If the concern was only present after performing Canada upgrade do not attempt any repairs as engineering…
Check vehicle applicability
302A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
| Make | Model | Model year |
|---|---|---|
| Buick | CENTURY ↗ | 2004 |
| Buick | LACROSSE ↗ | 2009 |
| Buick | LACROSSE ↗ | 2008 |
| Buick | LACROSSE ↗ | 2007 |
| Buick | LACROSSE ↗ | 2006 |
| Buick | LACROSSE ↗ | 2005 |
| Buick | LESABRE ↗ | 2005 |
| Buick | LESABRE ↗ | 2004 |
Code meaning and manufacturer information
Original wording in English · Historical directory labels; manufacturer applicability has not been established for every entry.
Aux Heater Blower Faulted
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.