Pinpoint Test K : The Door Locks Operate Only One Way: Notes
WARNING: This page is about a different car, the 2019 Ford F-550 Super Duty, 2019 Ford F-450 Super Duty, 2019 Ford F-350 Super Duty, and 2019 Ford F-250 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.
The Door Locks Operate Only One Way
Refer to Remote Keyless Entry and Alarm for schematic and connector information.
Normal Operations and Fault Conditions
REFER to: Handles, Locks, Latches and Entry Systems - System Operation and Component Description .
DDM/ PDM DTC Fault Trigger Conditions
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| B108F:23 | Cabin Lock/Unlock Switch: Signal Stuck Low | Sets when the DDM/ PDM detects a short to ground from one of the door lock control switch input circuits. |
Possible Causes
- Wiring, terminals or connectors
- Door lock control switch
- PDM
- DDM
Visual Inspection and Diagnostic Pre-checks
- Check the BCM fuse 3 (20A)