Chevrolet Avalanche 2007–2011 — technical service bulletin
Bulletin PIT4366 · NHTSA communication 10024625 · issued Jun 1, 2010
Technical service bulletin
communication type
Electrical System
component
2007–2011
model years
31
vehicle entries
Official summary
[check trailer wiring] message displayed on dic. With rpo jl1. *nj updated 3/28/11. *pe
Vehicles covered
- 2009 Chevrolet Avalanche
- 2010 Chevrolet Avalanche
- 2011 Chevrolet Avalanche 1500
- 2007 Chevrolet Silverado
- 2009 Chevrolet Silverado
- 2010 Chevrolet Silverado
- 2008 Chevrolet Silverado 1500
- 2011 Chevrolet Silverado 1500
- 2008 Chevrolet Silverado 2500
- 2008 Chevrolet Silverado 3500
- 2009 Chevrolet Suburban
- 2010 Chevrolet Suburban 1500
- 2011 Chevrolet Suburban 1500
- 2009 Chevrolet Tahoe
- 2010 Chevrolet Tahoe
- 2011 Chevrolet Tahoe
- 2008 GMC Sierra
- 2009 GMC Sierra
- 2010 GMC Sierra
- 2011 GMC Sierra
- 2007 GMC Sierra 1500
- 2007 GMC Sierra 2500
- 2007 GMC Sierra 3500
- 2008 GMC Sierra Denali
- 2009 GMC Sierra Denali
- 2009 GMC Yukon
- 2010 GMC Yukon
- 2011 GMC Yukon
- 2009 GMC Yukon XL
- 2010 GMC Yukon XL 1500
- 2011 GMC Yukon XL 1500
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.