DDM/ PDM
WARNING: This page is about a different car, the 2023 Lincoln Navigator. However, it is still accessible from the selected car via links, so may be relevant.
The DDM and PDM supply voltage and ground to illuminate their respective exterior mirror BLIS®/ CTALED based on messages received from the SODL and SODR. The modules are capable of storing BLIS®/ CTALED and lost communication Diagnostic Trouble Codes (DTCs) for the BLIS® or CTA system when a concern exists. The DDM and PDM communicate through the MS-CAN.
The DDM and PDM require PMI when replaced. Refer to: Module Configuration - System Operation and Component Description . Refer to: Module Configuration - System Operation and Component Description .