Four wheel drive inoperative and the 4WD service light will illuminate. diagnosis may reveal that the atc...
Chevrolet technical service bulletin 3389 for 1998-2002 Chevrolet Tahoe, 1999-2002 Chevrolet Silverado and 1998-2002 Chevrolet Suburban and others.
- Bulletin number
- 3389
- Component
- Power train: transfer case (4-wheel drive)
- Summary
- Four wheel drive inoperative and the 4wd service light will illuminate. Diagnosis may reveal that the atc fuse could be open, possible dtc c0308, or various u codes may be set. The encoder motor may also be shorted or the tccm may be damaged. Tt
Owners of these vehicles have filed 812 complaints in the transmission category.
Vehicles covered
- Chevrolet Tahoe 1998-2002 19981999200020012002
- Chevrolet Silverado 1999-2002 1999200020012002
- Chevrolet Suburban 1998-2002 19981999200020012002
- GMC Yukon 1998-2002 19981999200020012002
- GMC Sierra 1998-2001 1998199920002001
- GMC Suburban 1998-1999 19981999
- Cadillac Escalade 1999-2000 19992000
- Chevrolet Pickup 1998-1999 19981999
- GMC Pickup 1998-1999 19981999
- GMC Denali 2000 2000
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