Affected Component: ENGINE AND ENGINE COOLING:ENGINE:GASOLINE

Date Published

OCT 11, 2001

NHTSA TSB #

627979

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# 111001.

Summary

INFORMATION ON RECALIBRATING VEHICLES EXHIBITING A SERVICE ENGINE SOON LAMP ON, A DELAYED DOWNSHIFT OF THE TRANSMISSION AND/OR EXCESSIVE ENGINE FAN NOISE. *TT