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February 1, 2010 Service bulletin

Cadillac/chevrolet/gmc: locations of high speed gmlan wiring concerns

Chevrolet technical service bulletin PIT-4846A for 2007-2009 Chevrolet Tahoe, 2007-2009 Chevrolet Silverado and 2007-2009 Chevrolet Suburban and others.

Bulletin number
PIT-4846A
Component
Engine and engine cooling: engine
Summary
Cadillac/chevrolet/gmc: locations of high speed gmlan wiring concerns. Gauges inoperative, no crank, harsh transmission shifting, no transmission shifting, door locks cycling and indicators on.

Owners of these vehicles have filed 478 complaints in the engine category.

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