6.6 LB7 engine with a no charge condition with diagnostic trouble code P0380 P0621
Chevrolet technical service bulletin 3121 for 2001-2004 Chevrolet Silverado and 2001-2004 GMC Sierra.
- Bulletin number
- 3121
- Component
- Engine and engine cooling
- Summary
- 6.6 lb7 engine with a no charge condition with diagnostic trouble code p0380 p0621. Sc
Owners of these vehicles have filed 290 complaints in the engine category.
Vehicles covered
- Chevrolet Silverado 2001-2004 2001200220032004
- GMC Sierra 2001-2004 2001200220032004
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