Do you have to calibrate a blend door actuator?

Calibration is required after a actuator is replaced, but not necessary if power is removed. If you remove power to the system, the air conditioning, temp and air distribution blend doors will self calibrate when power is restored.

How do I reset my HVAC module?

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. If there is still a problem, the actuator for the temp blend door may have failed. Scan the HVAC for codes. This did it.

How do I know if my HVAC control module is bad?

Symptoms of a Bad or Failing AC Control Module

1. Inconsistent cooling. Because the AC control module controls and regulates all of the functions of the system, you may begin to notice cooling inconsistencies when there is a problem.
2. Out-of-date software updates.
3. Uneven air distribution.

How do I remove blend door actuator?

Begin by using a small screwdriver to release the wiring safety clip on the harness for the actuator. These clips can be brittle and break so be gentle. Once released gently pull down on the wiring connector and remove it from the blend door actuator.

Is this the blend door actuator?

The blend door is controlled by a blend door actuator, which can be a cable or an electric motor . The blend door is also referred to by some car makers as an air mix door. Both terms mean the same thing.

Where is the blend door actuator?

The Blend Door actuator is located in the center of the core box, up under the dash. The Mode Door actuator is on the left, and the Resirc Door actuator is at the top of the dash near the windshield.

Where is the Tahoe blend door actuator?

Your blend door is in the center of the HVAC case just above the hump in the floorboard. The actuator is accessable by removing the connector and the two 7mm headed screws.