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Home >> Mazda >> 2021 >> 6 Signature >> Repair and Diagnosis >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> On-Board Diagnostic - Blind Spot Monitoring Control Module >> DTC U3000-54: Radar Performance Malfunction [Blind Spot Monitoring (BSM) Control Module] >> Diagnostic Procedure

Diagnostic Procedure

DTC U3000:54 [BLIND SPOT MONITORING (BSM) CONTROL MODULE] DIAGNOSTIC PROCEDURE

Step Inspection Action
1 INSPECT REAR BUMPER SURFACE
  • Visually inspect the rear bumper surface for the following:
    • Dirt
      • Adhered foreign material (reflective object)
  • Is the rear bumper normal?
Yes Go to the next step.
No Remove dirt or foreign material (reflective object), then go to Step 5.
2 INSPECT AREA AROUND BLIND SPOT MONITORING (BSM) CONTROL MODULE
  • Visually inspect the area around the blind spot monitoring (BSM) control module for the following:
    • Dirt
      • Adhered foreign material (reflective object)
  • Is the area around the blind spot monitoring (BSM) control module normal?
Yes Go to the next step.
No Remove dirt or foreign material (reflective object), then go to Step 5.
3 VERIFY CONTROL MODULE INSTALLATION CONDITION
  • Inspect the following:
    • Deformation of body or bracket around blind spot monitoring (BSM) control module
      • Blind spot monitoring (BSM) control module installation condition
  • Is the blind spot monitoring (BSM) control module installed correctly?
Yes Go to the next step.
No Repair or replace the malfunctioning part, then go to Step 5.
4 PERFORM BLIND SPOT MONITORING (BSM) RADAR TEST
Yes Perform the blind spot monitoring (BSM) radar test again, then go to the next step.
(See BLIND SPOT MONITORING (BSM) RADAR TEST .)
No Go to Step 6.
5 VERIFY THAT REPAIRS HAVE BEEN COMPLETED
Yes Repeat the inspection from Step 1.
No Go to the next step.
6 VERIFY IF OTHER DTCs DISPLAYED
  • Are any other DTCs displayed?
Yes Repair or replace the malfunctioning part according to the applicable DTC troubleshooting.
(See DTC TABLE [BLIND SPOT MONITORING (BSM) CONTROL MODULE] .)
No DTC troubleshooting completed.