
HVAC INOP , AC SWITCH BLINKING
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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Engine | 6.0 L |
Trans | 6-speed Automatic (Electronic) |
Vehicle Data
2011 GMC Sierra 2500 HD SLT 6.0L
Engine | 6.0 L |
Trans | 6-speed Automatic (Electronic) |