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2005 Chevrolet Silverado 1500

Question: AIr Flow control seems like the heat is on in the drivers side vent

Question

Visitor, 4.3L V6, Killeen, TX, April 24, 2011, 07:38

the ehat appears to be on at the drivers side vents when the fan or the A/C is running sometimes

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  • Answer #1

    cogcan April 24, 2011, 08:17
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     Journeyman

    Before you spend the $$ and time on a new actuator, try this actuator recalibration procedure. I had the same problem and it worked for me. This is a common problem after you disconnect the battery.

    With the ignition switch in the on position, remove the HVAC/ECAS fuse for a minimum of 10 seconds. This fuse is located in the under hood fuse/relay box.
    Re-install the HVAC/ECAS fuse.
    Start the vehicle.
    Wait 40 seconds for the HVAC control module to self-calibrate

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