DTC U0428-68: Error Signal Received From Steering Angle Sensor [Vehicle Control Module]: Outline

WARNING: This page is about a different car, the 2021 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.

DTC U0428:68 [VEHICLE CONTROL MODULE] DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location	Error signal received from steering angle sensor
Detection condition	The vehicle control module (VCM) receives an error signal from the steering angle sensor. The vehicle control module (VCM) detects that a difference between the angle signal received from the steering angle sensor and the angle signal received from the EPS control module is 180° or more.
Fail-safe	(See DTC TABLE [VEHICLE CONTROL MODULE (US)] .)
Possible cause	Steering angle sensor malfunction EPS control module malfunction Steering angle signal error Vehicle control module (VCM) malfunction (built into body control module (BCM)) Body control module (BCM) malfunction
System wiring diagram	Not applicable
Connector diagram	Not applicable