Pinpoint Test O : The Doors Do Not Lock Or Unlock Using The Keyless Entry Keypad: Notes
WARNING: This page is about a different car, the 2018 Ford Edge. However, it is still accessible from the selected car via links, so may be relevant.
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 .
BCM DTC Fault Trigger Conditions
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| B121B:01 | Keypad Input Switch: General Electrical Failure | Sets when the BCM detects a short to ground from any of the keyless entry keypad input circuits. |
Possible Causes
- Fuse
- Wiring, terminals or connectors
- Keyless entry keypad
- BCM
Visual Inspection and Diagnostic Pre-checks
- Inspect the front door window moulding for damage.
- Check the BCM fuse 10 (5A) and make sure it is OK.