2015 Buick LaCrosse TSB 10111966

Buick TSB #PIC5491E

2015 Buick LaCrosse

TSB Document:

Affected Component: ELECTRICAL SYSTEM: SOFTWARE

Summary
This Preliminary Information communication provides information to the technician about vehicles that have an OnStar system that will not power up. Technician should turn off the ignition and cancel retained accessory power. After the vehicle has powered down, remove power to the OnStar module for five minutes. After the power has been removed for five minutes, if the OnStar system is working release the vehicle. If the OnStar system is still inoperative continue with published Service Information diagnostics. Technician may need to contact General Motors Technical Assistance Center depending on the STID, Station ID, or OnStar Customer Identifier.

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Date Published
FEB 26, 2014
NHTSA TSB #
10111966
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