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# 070604013.

Affected Component: ENGINE AND ENGINE COOLING:ENGINE

Summary

CHUGGLE, SURGE OR HESITATION MAY BE FELT WITH ACTIVE FUEL MANAGEMENT SYSTEM CYLINDER DEACTIVATION TRANSITION FROM V8 MODE TO V4 MODE. *KB

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