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.

Affected Component: ENGINE AND ENGINE COOLING:ENGINE:GASOLINE

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

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Date Published
OCT 11, 2001
NHTSA TSB #
627979
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