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 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 Doors Do Not Lock Or Unlock Using The Keyless Entry Keypad
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
- Wiring, terminals or connectors
- Keyless entry keypad
- BCM
Visual Inspection and Diagnostic Pre-checks
- Inspect the keyless entry keypad for damage.