TSB Document:

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

You can still get the detailed info from GMC for this TSB. Call your local GMC dealer's service department & ask for a copy of TSB# 3329.

Affected Component: VEHICLE SPEED CONTROL:CRUISE CONTROL

Summary

SURGE, CHUGGLE OR BUCK WHILE DRIVING DOWNHILL (APPROXIMATELY 1500 - 3000 FEET ABOVE SEA LEVEL) AT HIGHWAY SPEEDS WITH THE CRUISE CONTROL ON. *TT

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