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# PIP4348.

Affected Component: ENGINE AND ENGINE COOLING:ENGINE:DIESEL

Summary

DURAMAX DIESEL DPF REGENERATION CHANGES - VEHICLES EQUIPPED WITH THE 6.6 DURAMAX DIESEL ENGINE RPO CODE LMM. *NJ

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