LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Mazda >> 2024 >> 3 Select Sport, 4D Hatchback >> Repair and Diagnosis >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> On-Board Diagnostic - Vehicle Control Module (1 Of 2) >> DTC U0428-86: Check Sum Error Received From Steering Angle Sensor
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC U0428-86: Check Sum Error Received From Steering Angle Sensor

U0428-86: (VCM) DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location Check sum error received from steering angle sensor
Detection condition
  • The vehicle control module (VCM) detects that the vehicle control module (VCM) received a check sum error from the steering angle sensor.
Fail-safe (See DTC TABLE [VCM] .)
Possible cause
  1. Internal malfunction related DTCs are stored in the following modules.
  2. Steering angle sensor related DTCs are stored in the body control module (BCM). (See DTC TABLE [BCM] .)
  3. Steering angle sensor malfunction (Refer to CRASH ZONE SENSOR REMOVAL/INSTALLATION [TWO-STEP DEPLOYMENT CONTROL SYSTEM - US/CANADA/ISRAEL SPEC.] in service information.)
  4. Vehicle control module (VCM) malfunction (built into body control module (BCM)) (Refer to BODY CONTROL MODULE (BCM) REMOVAL/INSTALLATION in service information.)
Repeatability verification procedure
  1. Clear the DTC recorded in the memory. (See CLEARING DTC .)
System wiring diagram
  • Not applicable