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# 040138008.

Affected Component: EQUIPMENT:APPLIANCE:AIR CONDITIONER

Summary

HEAT VENTILATION AND AIR CONDITIONING SYSTEM CANNOT BE CONTROLLED OR DEFAULTS TO DEFROST MODE. *EH

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