Diagnostic trouble code (DTC) C0379 set, service 4WD light on, 4WD inoperative
Chevrolet technical service bulletin 040419001 for 2004 Chevrolet Trailblazer, 2004 GMC Envoy and 2004 Chevrolet Trailblazer EXT and others.
- Bulletin number
- 040419001
- Component
- Power train: axle assembly
- Summary
- Diagnostic trouble code (dtc) c0379 set, service 4wd light on, 4wd inoperative. Tt
Owners of these vehicles have filed 119 complaints in the transmission category.
Vehicles covered
- Chevrolet Trailblazer 2004 2004
- GMC Envoy 2004 2004
- Chevrolet Trailblazer EXT 2004 2004
- GMC Envoy XL 2004 2004
- GMC Envoy Xuv 2004 2004
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