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
13Original wording in English
CHEVROLET, GMC
This Preliminary Information communication provides information to the technician about vehicles that have a "Service 4 Wheel Drive" message displayed in the Driver Information Center. Technician may find Diagnostic Trouble Code C0327 set in the Transfer Case Control Module. Technician will need to inspect circuit 550 ground cir…
CHEVROLET, GMC, OLDSMOBILE
DTC C0327 WITH OR WITHOUT ADDITIONAL DTC'S SETTING. WITH FOUR WHEEL DRIVE (4WD) ONLY. *NJ
ISUZU
DTC C0327 WITH OR WITHOUT ADDITIONAL DTC'S SETTING. WITH 4WD. *NJ
HUMMER
SERVICE 4WD/TRACTION OFF MESSAGE DISPLAYED, TRACTION OFF LIGHT ILLUMINATED. TRANSFER CASE SELECTOR SWITCH INOPERATIVE, DTC'S C0276 & C0327 SET. *KB
Check vehicle applicability
81A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
| Make | Model | Model year |
|---|---|---|
| Buick | RAINIER ↗ | 2006 |
| Buick | RAINIER ↗ | 2005 |
| Buick | RAINIER ↗ | 2004 |
| Chevrolet | AVALANCHE ↗ | 2006 |
| Chevrolet | AVALANCHE ↗ | 2005 |
| Chevrolet | AVALANCHE ↗ | 2004 |
| Chevrolet | AVALANCHE ↗ | 2003 |
| Chevrolet | COLORADO ↗ | 2012 |
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.