Chevrolet Avalanche 2007–2014 — technical service bulletin
Bulletin PIT4595J · NHTSA communication 10197287 · issued May 10, 2021
Technical service bulletin
communication type
Electrical System
component
2007–2014
model years
39
vehicle entries
Official summary
This PI communicates diagnostic tips to help dealership diagnosis a service trailer brake message with DTC C1114 and C1112.
Vehicles covered
- 2009 Chevrolet Avalanche
- 2010 Chevrolet Avalanche
- 2011 Chevrolet Avalanche
- 2012 Chevrolet Avalanche
- 2013 Chevrolet Avalanche
- 2007 Chevrolet Silverado 1500
- 2008 Chevrolet Silverado 1500
- 2009 Chevrolet Silverado 1500
- 2010 Chevrolet Silverado 1500
- 2011 Chevrolet Silverado 1500
- 2012 Chevrolet Silverado 1500
- 2013 Chevrolet Silverado 1500
- 2014 Chevrolet Silverado 2500
- 2009 Chevrolet Suburban
- 2010 Chevrolet Suburban
- 2011 Chevrolet Suburban
- 2012 Chevrolet Suburban
- 2013 Chevrolet Suburban
- 2014 Chevrolet Suburban
- 2009 Chevrolet Tahoe
- 2010 Chevrolet Tahoe
- 2011 Chevrolet Tahoe
- 2012 Chevrolet Tahoe
- 2013 Chevrolet Tahoe
- 2014 Chevrolet Tahoe
- 2007 GMC Sierra 1500
- 2008 GMC Sierra 1500
- 2009 GMC Sierra 1500
- 2010 GMC Sierra 1500
- 2012 GMC Sierra 1500
- 2013 GMC Sierra 1500
- 2014 GMC Sierra 2500
- 2011 GMC Sierra 3500
- 2009 GMC Yukon Denali
- 2010 GMC Yukon Denali
- 2011 GMC Yukon Denali
- 2012 GMC Yukon Denali
- 2013 GMC Yukon Denali
- 2014 GMC Yukon XL
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.