Affected Component: ENGINE AND ENGINE COOLING:ENGINE

Date Published

MAY 01, 2007

NHTSA TSB #

10021841

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.

Summary

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