2008 Cadillac STS TSB 10113256

Cadillac TSB #PIC5491C

2008 Cadillac STS

TSB Document:

Affected Component: EQUIPMENT ADAPTIVE

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
SEP 18, 2013
NHTSA TSB #
10113256
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