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2004 GMC Sierra 2500 HD SLE 6.6L Vent Controls
Posted to GM HVAC on 1/13/2016 4 Replies

I can use my snap on scanner to move the vent solenoids but i cannot get them to work properly. Its almost like they are all out of timing. If i unplug the hvac controls and plug it back in all the vents move to desired location then go haywire again. Tried 2 ...

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  Related Documents & Media  2004 GMC Sierra 2500 HD SLE

 
Message Closed w/Summary

car Vehicle Data

2004 GMC Sierra 2500 HD SLE

VIN 1GTHK23254
Engine6.6 L / 8 cyl / DIESEL
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection
AffectedVent Controls
ConditionsNo Defrost
Message Closed w/Summary

car Vehicle Data

2004 GMC Sierra 2500 HD SLE

VIN 1GTHK23254
Engine6.6 L / 8 cyl / DIESEL
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection
AffectedVent Controls
ConditionsNo Defrost