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Actuator Recalibration

Actuator Recalibration


Note

Do not adjust any controls on the HVAC control module while it is performing self-calibration. Interruption could cause the HVAC system to malfunction.


When replacing the HVAC control module it will be necessary to allow the HVAC control module to perform a calibration process. When installing the HVAC control module be sure to perform the following:


1. Place the ignition switch to the OFF position.

2. Disconnect the scan tool.

3. Install the HVAC control module.

4. Connect all previously disconnected components.

5. Ignition ON.

6. Wait 40 s for the HVAC control module to self-calibrate.

7. Verify that no DTCs have set as current DTCs.


When replacing the HVAC actuator it will be necessary to allow the HVAC control module to perform a calibration process. When installing the HVAC actuator be sure to perform one of the following:


Preferred Method (with Scan Tool)

1.
Note

Do not adjust any controls on the HVAC control module while it is performing self-calibration. Interruption could cause the HVAC system to malfunction.


Clear all DTCs.

2. Place the ignition switch in the OFF position.

3. Install the HVAC actuator.

4. Connect all previously disconnected components.

5. Start the vehicle.

6. With the scan tool, initiate the HVAC Actuators re-calibration feature of the Remote Heater and Air Conditioning Control Module Special Functions menu.

7. Verify that no DTCs have set as current DTCs.



Alternate Method (without Scan Tool)

1.
Note

Do not adjust any controls on the HVAC control module while it is performing self-calibration. Interruption could cause the HVAC system to malfunction.


Clear all DTCs.

2. Place the ignition switch to the OFF position.

3. Install the HVAC actuator.

4. Connect all previously disconnected components.

5. Remove the HVAC control module fuse for a minimum of 10 s.

6. Install the HVAC control module fuse.

7. Ignition ON.

8. Wait 40 s for the HVAC control module to self-calibrate.

9. Verify that no DTCs have set as current DTCs.