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Home >> Mazda >> 2024 >> 3 Select Sport, 4D Hatchback >> Repair and Diagnosis >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> On-Board Diagnostic - Vehicle Control Module (2 Of 2) >> DTC U2502-86: Check Sum Error Received From Front Radar Sensor

DTC U2502-86: Check Sum Error Received From Front Radar Sensor

U2502-86: (VCM) DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location Check sum error received from front radar sensor
Detection condition
  • The vehicle control module (VCM) detects that the vehicle control module (VCM) received a check sum error from the front radar sensor.
Fail-safe (See DTC TABLE [VCM] .)
Possible cause
  1. Internal malfunction related DTCs are stored in the following modules.
  2. DTCs are stored in the front radar sensor. (See DTC TABLE [FR] .)
  3. Front radar sensor malfunction (Refer to FRONT RADAR SENSOR REMOVAL/INSTALLATION 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