Normal Operation and Fault Conditions

WARNING: This page does not describe the selected car, but rather 12 other vehicles, including the 2018 Lincoln MKX, 2018 Lincoln Continental, 2018 Ford F-550 Super Duty, 2018 Ford F-450 Super Duty, and 2018 Ford F-350 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.

With the ignition ON, the SECM monitors various inputs to detect if a fault is present.

SECM DTC FAULT TRIGGER CONDITIONS

DTC	Description	Fault Trigger Conditions
C100C:29	Steering Tracking: Signal Rate of Change Above Threshold	This DTC sets when the rotor speed inside the adaptive steering system exceeds a predetermined threshold.
C1039:75	Active Front Steering (AFS) Lock: Emergency Position Not Reachable	Sets when the SECM cannot activate the motor to reach the emergency lock position.
U2001:53	Reduced System Function: Deactivated	This DTC is informational only and is used in the factory for system check at the end of assembly. This DTC sets when the adaptive steering system has been locked.
U2016:47	Control Module Main Software: Watchdog/Safety μC Failure	Sets when the SECM experiences an internal error. This DTC setting multiple times is a trigger condition for DTC U3000:96.
U201A:53	Control Module Main Calibration Data: Deactivated	This DTC is for information only. This DTC sets if the tuning mode of the SECM has not been activated. The tuning mode is set at the end of assembly.
U210A:02	Temperature Sensor: General Signal Failure	Sets when the SECM detects a failure or the heated steering wheel thermistor.
U3000:18	Control Module: Circuit Current Below Threshold	Sets when the SECM detects the electrical current to the locking solenoid is below a specified level.
U3000:45	Control Module: Program Memory Failure	Sets when the SECM detects an internal fault.
U3000:54	Control Module: Missing Calibration	Sets when the SECM detects an internal fault.
U3000:96	Control Module: Component Internal Failure	Sets when the SECM detects an internal fault.