DTC B1D23: Overheat Sensor: Description

WARNING: This page is about a different car, the 2020 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.

The PSCM uses a thermistor to monitor the internal temperature of the EPAS gear. This DTC appearing by itself does not indicate a fault condition in the steering system. Diagnose all other EPAS DTCs before diagnosing B1D23:4B.

DTC B1D23:4B (Overheat Sensor: Over Temperature) - This DTC sets if the internal temperature of the EPAS gear exceeds a predetermined threshold.