DTC U0420-82: Error Signal Received From Electric Power Steering (EPS) Control Module [Vehicle Control Module]: Outline

WARNING: This page is about a different car, the 2020 Mazda CX-30. However, it is still accessible from the selected car via links, so may be relevant.

DTC U0420:82 (VEHICLE CONTROL MODULE) DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location	Error signal received from Electric Power Steering (EPS) control module
Detection condition	The vehicle control module (VCM) receives an error signal from the Electric Power Steering (EPS) control module for 10 s.
Fail-safe	(See DTC TABLE [VEHICLE CONTROL MODULE (US)] .)
Possible cause	Electric Power Steering (EPS) control module malfunction Vehicle control module (VCM) malfunction (built into body control module (BCM))
System wiring diagram	Not applicable
Connector diagram	Not applicable