Service 4WD indicator illuminated
Chevrolet technical service bulletin 3134B for 2004-2005 Chevrolet Silverado and 2004-2005 GMC Sierra.
- Bulletin number
- 3134B
- Component
- Power train: transfer case (4-wheel drive)
- Summary
- Service 4wd indicator illuminated. Tc with diagnostic trouble code co327. Tt
Owners of these vehicles have filed 107 complaints in the transmission category.
Vehicles covered
- Chevrolet Silverado 2004-2005 20042005
- GMC Sierra 2004-2005 20042005
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