Pinpoint Test K : The RH (Right-Hand) Rear Window Control Switch Illumination Is Inoperative Or Always On: Notes
WARNING: This page is about a different car, the 2018 Lincoln MKC. However, it is still accessible from the selected car via links, so may be relevant.
Refer to Power Windows for schematic and connector information.
Normal Operation and Fault Conditions
Based on messages received from the BCM, the PDM commands the Passenger Rear Door Module (PRDM) to supply voltage and ground to illuminate the RH rear window control switch.
| DTC | Description | Fault trigger conditions |
|---|---|---|
| B12FF:11 | Rear Door Switch Illumination: Circuit Short To Ground | This DTC sets on-demand and in continuous memory in the PDM when the Passenger Rear Door Module (PRDM) detects a higher than expected current draw on the window control switch illumination output circuit. |
| B12FF:15 | Rear Door Switch Illumination: Circuit Short To Battery or Open | This DTC sets on-demand and in continuous memory in the PDM when the Passenger Rear Door Module (PRDM) detects a lower than expected current draw on the window control switch illumination output circuit. |
Possible Sources
- Wiring, terminals or connectors
- RH rear window control switch
- Passenger Rear Door Module (PRDM)