For 1990-2009 cars

Each of the following service procedures may require programming or setup procedures to be performed on the Auxiliary HVAC Control Module or Auxiliary HVAC actuators.

### Auxiliary HVAC Control Module Replacement

If the Auxiliary HVAC Control Module is replaced, the following procedure must be performed: Reprogram the Auxiliary HVAC Control Module. Refer to Service Programming System (SPS)

### Auxiliary HVAC Control Module Reprogramming

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

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

### Auxiliary Actuator Replacement

If an auxiliary actuator is replaced, the following procedure must be performed: Re-Calibrating Actuators. Refer to Actuator Recalibration .