GMC TSB #020604005
2001 GMC Sierra 3500
Affected Component: ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
- TSB Document
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- 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.
- Summary
- SUBJECT REGARDING REVISED DIAGNOSTIC TROUBLE CODE P1221 SERVICE MANUAL INFORMATION. *TT