Affected Component: ENGINE AND ENGINE COOLING

Date Published
JAN 01, 2004
NHTSA TSB #
10010197
TSB Document
  • Sorry, the NHTSA has not posted this TSB document yet.

You can still get the detailed info from Hummer for this TSB. Call your local Hummer dealer's service department & ask for a copy of TSB# 3107.

Summary
P0420 AND P0430 DTSC IN THE DETROIT, MICHIGAN AREA WITH GEN III V-8 ENGINES. *SC