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# 07274.

Affected Component: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)

Summary

TRANSMISSION SOFTWARE AND CALIBRATION UPDATE ON CERTAIN 2007-08 MY GMC. *NJ

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