Pinpoint Test O : The Doors Do Not Lock/Unlock Using The Keyless Entry Keypad: Notes
WARNING: This page is about a different car, the 2016 Ford Expedition. 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 Operation and Fault Conditions
Refer to Handles, Locks, Latches and Entry Systems - Without Intelligent Access (IA) .
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
- Wiring, terminals or connectors
- Keyless entry keypad
- BCM
Visual Inspection and Diagnostic Pre-checks
- Inspect the keyless entry keypad for damage