LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Ford >> 2021 >> Edge ST-Line, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 166 (Handles, Locks, Latches And Entry Systems) >> Diagnosis And Testing >> Locks, Latches and Entry Systems >> Pinpoint Tests >> Pinpoint Test P : The Keyless Entry Keypad Illumination Is Inoperative >> Notes
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Pinpoint Test P : The Keyless Entry Keypad Illumination Is Inoperative: 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 Keyless Entry Keypad Illumination Is Inoperative 

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
B121A:11 Keypad Illumination Output: Circuit Short To Ground Sets when the BCM detects a short to ground from the keyless entry keypad illumination output circuit.
B121A:15 Keypad Illumination Output: Circuit Short To Battery Or Open Sets when the BCM detects an open from the keyless entry keypad illumination output circuit.

Possible Causes