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HVAC INOP , AC SWITCH BLINKING
Posted to HVAC Forum on 7/11/2023 8 Replies

HELP !!! Truck came in ac inop, fully charged , ac light blinking . have no trigger to ac clutch relay , scan system , hard codes in system B0433 //. B3782 ///. Cannot seem to find any diagnostic information pertaining to these codes . Checked all fuses. , can... Login to read more.

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car Vehicle Data

2011 GMC Sierra 2500 HD SLT 6.0L

Engine6.0 L
Trans6-speed Automatic (Electronic)

car Vehicle Data

2011 GMC Sierra 2500 HD SLT 6.0L

Engine6.0 L
Trans6-speed Automatic (Electronic)