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March 1, 2007 Service bulletin

Diagnostic information on navigation radio

Chevrolet technical service bulletin 070844004 for 2007 Chevrolet Silverado 1500, 2007 Chevrolet Tahoe and 2007 GMC Yukon and others.

Bulletin number
070844004
Component
Equipment: electrical: navigational system(global positioning system)
Summary
Diagnostic information on navigation radio. Aftermarket modules causing various lan communication concerns and dtc's, no crank, vehicle stability lights and messages, tpm warning lights, prndl position errors. Kb

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