Pinpoint Test L : The Doors Do Not Lock Or Unlock Using The Keyless Entry Keypad: Notes
Diagnostic Overview
Diagnostics in this information assume a certain skill level and knowledge of Ford-specific diagnostic practices. Refer to Diagnostic Methods in Service Information for information about these practices.
Refer to Remote Keyless Entry and Alarm for schematic and connector information.
Normal Operation and Fault Conditions
Refer to System Operation, Keyless Entry Keypad in Handles, Locks, Latches and Entry Systems .
Refer to Component Description, Keyless Entry Keypad in Handles, Locks, Latches and Entry Systems .
RFA Module DTC Fault Trigger Conditions
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| B121B:11 | Keypad Input Switch: Circuit Short to Ground | Sets when the RFA module detects a short to ground from any of the keyless entry keypad input circuits. |
Possible Sources
- Wiring, terminals or connectors
- Keyless entry keypad
- RFA module
Visual Inspection and Diagnostic Pre-checks
- Inspect the keyless entry keypad for damage.
- Inspect the BCM fuse 7 (7.5A) and make sure it is OK.