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# 020604005.

Affected Component: ENGINE AND ENGINE COOLING:ENGINE:GASOLINE

Summary
SUBJECT REGARDING REVISED DIAGNOSTIC TROUBLE CODE P1221 SERVICE MANUAL INFORMATION. *TT

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Date Published
FEB 01, 2002
NHTSA TSB #
629495
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