» » »

GMC Q&A

Ask Your Question

2004 GMC Envoy Question: i am replacing one front and 2 rear door blend actuators what do i need to do.

 

Question

halfonso, Belvidere, IL, July 13, 2013, 09:27
 Rookie

from what i heard i need to do a procedure to re calibrate the car computer

1 Answer
Flag This
  • Answer #1

    Real Auto Haus (111 Answers) , Westmont, IL - (630) 361-6756
    TristanReal July 13, 2013, 09:43
    Profile_thumbnail
     Journeyman

    Alternate Method (w/o Scan Tool)

    Clear all DTCs.
    Place the ignition switch to the OFF position.
    Install the HVAC actuator.
    Connect all previously disconnected components.
    Remove the HVAC B fuse for a minimum of 10 seconds.
    Install the HVAC B fuse.
    Start the vehicle.
    Wait 40 seconds for the HVAC control module to self-calibrate.
    Verify that no DTCs have set as current DTCs.

    hope this helps

    Reply
    Flag This