TSB Document:

• Sorry, the NHTSA has not posted this TSB document yet.

You can still get the detailed info from Buick for this TSB. Call your local Buick dealer's service department & ask for a copy of TSB# 476521.

Affected Component: ELECTRICAL SYSTEM:IGNITION:MODULE

Summary

CHUGGLE OF TCC GROWL ON GRADES WHILE MAINTAINING SPEED WITH TCC ENGAGED. *TW

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