For 1990-2009 cars

Each of the following service procedures may require programming or setup procedures to be performed on the HVAC control module or HVAC actuators.

### HVAC Control Module Replacement

If the HVAC control module is replaced no additional procedures are necessary.

### HVAC Control Module Reprogramming

Do not reprogram the HVAC control module unless directed by a service procedure or a service bulletin.

Reprogram the HVAC Control Module. Refer to Service Programming System (SPS).

### Actuator Replacement

If an actuator is replaced, a re-calibration of the actuator is not necessary. The HVAC module knows the exact location of the door when the HVAC system is turned on.