Chevy Tahoe Blend Door Actuator Calibration

If there is still a problem the actuator for the temp blend door may have failed.

Chevy tahoe blend door actuator calibration.

Ck p u suburban and yukon tahoe actuator calibration starting in 2001 whenever the battery is disconnected or when replacing any of the hvac actuator motors mode door or temperature blend the hvac system will have to go through a relearn or calibration process. Failure to allow sufficient time to calibrate can lead to the. 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. An actuator can go bad in of two ways.

This actuator assembly might fit a few other models but double check the part numbers for your car. First the electric motor can burn out rendering the unit non responsive so nothing changes when the temperature or. Parts counter people call this the upper actuator. On the gmc acadia and the chevrolet traverse the replacement part number for the blend door actuator is 15 73989.

It has been found that when performing the actuator recalibration procedure. When replacing the front hvac control head or an hvac actuator it will be necessary to allow the hvac control head to perform a calibration procedure. Scan the hvac for codes. This grind or click sound is actually the plastic gears stripping inside.

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. 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.