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# 040604036.

Affected Component: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL

Summary

WARRANTY COVERAGE CHANGE FOR EMISSION-RELATED REPROGRAMMING EVENTS. 2005 AND PRIOR GM PASSENGER VEHICLES AND TRUCKS. *MJ

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