Chevrolet Silverado 1500 2004–2007 — technical service bulletin
Bulletin PIT4780P · NHTSA communication 10111788 · issued Apr 7, 2014
Technical service bulletin
communication type
Equipment
component
2004–2007
model years
17
vehicle entries
Official summary
This Preliminary Information communication advises the technician that the 2004-2007 Parallel Hybrid Truck parts will be placed on restriction through the General Motors Product Quality Center. Dealer will need to contact General Motors Product Quality Center for further assistance.
Vehicles covered
- 2006 Chevrolet Silverado 1500
- 2007 Chevrolet Silverado 1500
- 2004 Chevrolet Silverado 1500 HD
- 2005 Chevrolet Silverado 1500 HD
- 2004 Chevrolet Silverado 2500
- 2005 Chevrolet Silverado 2500
- 2006 Chevrolet Silverado 2500
- 2007 Chevrolet Silverado 2500
- 2004 GMC G Van Bus
- 2005 GMC G Van Bus
- 2006 GMC G Van Bus
- 2004 GMC Sierra 1500 HD
- 2005 GMC Sierra 1500 HD
- 2004 GMC Sierra 2500
- 2005 GMC Sierra 2500
- 2006 GMC Sierra 2500
- 2007 GMC Sierra Denali
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.