Pinpoint Test O : The RKE (Remote Keyless Entry) Transmitter Is Inoperative: Notes

WARNING: This page is about a different car, the 2016 Ford Transit Connect. However, it is still accessible from the selected car via links, so may be relevant.

Normal Operation and Fault Conditions

REFER to: Handles, Locks, Latches and Entry Systems - Vehicles With: One-Touch Open and Close Front Windows - System Operation and Component Description .

BCM DTC Fault Trigger Conditions

DTC	Description	Fault Trigger Conditions
B1D21:62	Remote Control Switch: Signal Compare Failure	Sets when the BCM detects the rolling counter received from a RKE transmitter is out of synchronization with the rolling counter stored in the module.

Possible Causes

RKE transmitter battery
RKE transmitter programming
RKE transmitter button pressed a substantial amount of times while outside the range of the vehicle
RKE transmitter
BCM

Visual Inspection and Diagnostic Pre-checks

Inspect the RKE transmitter for damage.
Check for aftermarket RKE transmitters.