Buick Lacrosse 2007–2011 — technical service bulletin
Bulletin PI1540 · NHTSA communication 10126379 · issued Oct 19, 2015
Technical service bulletin
communication type
Electrical System
component
2007–2011
model years
60
vehicle entries
Official summary
This preliminary informational bulletin provides diagnostic and repair information to correct a customer concern in which certain vehicles equipped with Gen 7 and OnStar, a recent over-the-air service update may have caused the OnStar system to become inoperative.
Vehicles covered
- 2007 Buick Lacrosse
- 2008 Buick Lacrosse
- 2009 Buick Lacrosse
- 2010 Buick Lacrosse
- 2011 Buick Lacrosse
- 2007 Buick Lucerne
- 2008 Buick Lucerne
- 2009 Buick Lucerne
- 2010 Buick Lucerne
- 2011 Buick Lucerne
- 2007 Buick Terraza
- 2008 Buick Terraza
- 2007 Cadillac DTS
- 2008 Cadillac DTS
- 2009 Cadillac DTS
- 2010 Cadillac DTS
- 2011 Cadillac DTS
- 2009 Chevrolet Aveo
- 2010 Chevrolet Aveo
- 2011 Chevrolet Aveo
- 2007 Chevrolet Colorado
- 2008 Chevrolet Colorado
- 2009 Chevrolet Colorado
- 2010 Chevrolet Colorado
- 2011 Chevrolet Colorado
- 2007 Chevrolet Impala
- 2008 Chevrolet Impala
- 2009 Chevrolet Impala
- 2010 Chevrolet Impala
- 2011 Chevrolet Impala
- 2007 Chevrolet Malibu
- 2008 Chevrolet Malibu
- 2009 Chevrolet Malibu
- 2010 Chevrolet Malibu
- 2011 Chevrolet Malibu
- 2007 Chevrolet Trailblazer
- 2008 Chevrolet Trailblazer
- 2009 Chevrolet Trailblazer
- 2007 Chevrolet Uplander
- 2008 Chevrolet Uplander
- 2009 Chevrolet Uplander
- 2007 GMC Canyon
- 2008 GMC Canyon
- 2009 GMC Canyon
- 2010 GMC Canyon
- 2011 GMC Canyon
- 2007 Hummer H2
- 2008 Hummer H2
- 2009 Hummer H2
- 2010 Hummer H2
- 2007 Hummer H3
- 2008 Hummer H3
- 2009 Hummer H3
- 2010 Hummer H3
- 2007 Pontiac G6
- 2008 Pontiac G6
- 2009 Pontiac G6
- 2010 Pontiac G6
- 2007 Pontiac Grand Prix
- 2008 Pontiac Grand Prix
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.