Cadillac Escalade 2007–2011 — technical service bulletin
Bulletin PIT-4056 · NHTSA communication 10022691 · issued Feb 1, 2012
Technical service bulletin
communication type
Service Brakes, Air
component
2007–2011
model years
42
vehicle entries
Official summary
Gmc: unable to communicate with the ebcm dtc u0121. *nj vehicles equipped with jl4. Updated 9/30/08. *pe updated 6/27/11. *pe updated 4/6/12. *pe
Vehicles covered
- 2007 Cadillac Escalade
- 2008 Cadillac Escalade
- 2008 Cadillac Escalade Esv
- 2009 Cadillac Escalade Esv
- 2008 Cadillac Escalade Ext
- 2009 Cadillac Escalade Ext
- 2007 Chevrolet Avalanche
- 2008 Chevrolet Avalanche
- 2009 Chevrolet Avalanche
- 2007 Chevrolet Avalanche 1500
- 2008 Chevrolet Avalanche 1500
- 2011 Chevrolet Avalanche 1500
- 2007 Chevrolet Avalanche 2500
- 2010 Chevrolet Camaro
- 2011 Chevrolet Camaro
- 2007 Chevrolet Silverado
- 2009 Chevrolet Silverado
- 2007 Chevrolet Silverado 1500
- 2008 Chevrolet Silverado 1500
- 2007 Chevrolet Silverado 2500
- 2008 Chevrolet Silverado 2500
- 2007 Chevrolet Silverado 3500
- 2008 Chevrolet Silverado 3500
- 2009 Chevrolet Suburban
- 2007 Chevrolet Suburban 1500
- 2008 Chevrolet Suburban 1500
- 2008 Chevrolet Suburban 2500
- 2007 Chevrolet Tahoe
- 2008 Chevrolet Tahoe
- 2009 Chevrolet Tahoe
- 2009 Chevrolet Traverse
- 2010 Chevrolet Traverse
- 2011 Chevrolet Traverse
- 2008 GMC Sierra
- 2007 GMC Sierra 1500
- 2008 GMC Sierra 1500
- 2007 GMC Sierra 2500
- 2008 GMC Sierra 2500
- 2007 GMC Sierra 3500
- 2008 GMC Sierra 3500
- 2007 GMC Yukon
- 2008 GMC Yukon
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.