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# 3346.

Affected Component: ENGINE AND ENGINE COOLING:ENGINE

Summary
THERE HAS BEEN A HIGH PERCENTAGE OF NO TROUBLE FOUND (NTF) 6.6 LLY ENGINE CONTROL MODULES (ECMS) BEING RETURNED TO THE WARRANTY PARTS CENTER. THE NO TROUBLE FOUND (NTF) ECMS ARE BEING REPLACED FOR A SPECIFIC LIST OF DIAGNOSTIC TROUBLE CODES. *TT

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Date Published
NONE PROVIDED
NHTSA TSB #
10014804
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