Automatic Door Locks

The automatic door lock (ADL) function provides for locking or unlocking the doors when shifting the transmission in and out of PARK. Customized selections may be made as follows:
1. No automatic door lock or unlock.
2. Automatic all door lock when shifter moves out of PARK. No automatic door unlock.
3. Automatic all door lock when shifter moves out of PARK. Automatic driver door unlock when shifter moves into PARK.
4. Automatic all door lock when shifter moves out of PARK. Automatic all door unlock when shifter moves into PARK.

The Drivers Door Module (DDM) communicates with the Remote Function Actuator (RFA) Module over the Class-2 data link. The RFA Module receives Powertrain Control Module (PCM) shift select changes. Whenever the LH Front door is closed, the ignition is in RUN and the gear selector is shifted out of PARK, the RFA Module will transmit a Class 2 lock doors message to the DDM. The DDM will send this message on to the other door modules over the Simple Bus Interface (SBI) and the modules will lock their doors as programmed. If personalization is selected to do so, the RFA will also unlock the doors when the gear selector lever is put back in to PARK.