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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 225 (HVAC System - Automatic) >> Description and Operation >> Air Delivery Description and Operation >> HVAC Control Components >> Auxiliary HVAC Control Module (with RSA)

Auxiliary HVAC Control Module (with RSA)

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Auxiliary HVAC Control functions are integrated into the Rear Seat Entertainment Module. The Rear Seat Entertainment Module communicates Rear HVAC settings over serial data. The control switches enable the module to send a GMLAN serial data message to the from auxiliary HVAC control module to the HVAC Control Module for the change request. The Auxiliary HVAC Control module does not store auxiliary HVAC DTCs.

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