Chevrolet Silverado 1500 2002–2012 — technical service bulletin
Bulletin 07-08-42-006H · NHTSA communication 10138210 · issued Nov 20, 2012
Technical service bulletin
communication type
Electrical System
component
2002–2012
model years
18
vehicle entries
Official summary
This informational bulletin provides information on Available BCM Calibrations to Restore Bulb Outage Detection on Vehicles Produced by a Second Stage Manufacturer (Upfitter), Turn Signals Flash Fast after Factory Box Removed
Vehicles covered
- 2008 Chevrolet Silverado 1500
- 2009 Chevrolet Silverado 1500
- 2011 Chevrolet Silverado 1500
- 2003 Chevrolet Silverado 1500 HD
- 2002 Chevrolet Silverado 2500
- 2003 Chevrolet Silverado 2500
- 2009 Chevrolet Silverado 2500
- 2010 Chevrolet Silverado 2500
- 2012 Chevrolet Silverado 2500
- 2002 GMC Sierra 1500 HD
- 2003 GMC Sierra 1500 HD
- 2002 GMC Sierra 2500
- 2003 GMC Sierra 2500
- 2009 GMC Sierra 2500
- 2010 GMC Sierra 2500
- 2009 GMC Sierra Denali
- 2010 GMC Sierra Denali
- 2012 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.