Affected Component: ENGINE AND ENGINE COOLING:ENGINE

Date Published
JAN 01, 2004
NHTSA TSB #
10006289
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# 01746.

Summary
4.2 5.3 LL8 LM4 ENGINE WITH DIAGNOSTIC TROUBLE CODE P2120 OR P2122 OR P2123 OR P2127 OR P2128. *MR