Pinpoint Test O : The Doors Do Not Lock/Unlock Using The Keyless Entry Keypad: Notes
WARNING: This page is about a different car, the 2017 Lincoln Navigator and 2017 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