Hvac Blend Door Actuator Reset

An actuator can go bad in of two ways.

Hvac blend door actuator reset.

First the electric motor can burn out rendering the unit non responsive so nothing changes when the temperature or. Learn how to reset the hvac actuator with acdelco. For manual systems it does not matter where the a c controls are set but if you feel the need to do something turn the blower switch on i prefer speed 3 and set the temperature. If you would like to leave a donation here is a link.

A blend door actuator is made up of an electric motor that turns a plastic gear set in one direction or another which is connected to an air control door pivot at the final drive of the unit. Blend door actuator motor calibration. Move the key to the off position. Turn ignition key to the on position and turn on the hvac system.

If there is still a problem the actuator for the temp blend door may have failed. It can also screw up where the air blows. The dealership has a handheld scan tool that connects to the climate control systems to reset the actuator limits. Scan the hvac for codes.

The blend and mode doors on late model chrysler vehicles are driven by dc servo motors. Open hood bonnet for the rhd guys and locate fuse 15 in the fuse box next to the battery. Tips for replacing the automotive hvac actuators. The topic of how to perform the actuator recalibration procedure on chevrolet gmc and cadillac trucks and suvs has become an ever increasing topic of discussion.

Ignition off pull the hvac ecas fuse for 10 seconds reinstall and start vehicle without touching any controls wait 40 seconds for the control module to self calibrate.