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Home >> Mazda >> 2016 >> MX-5 Miata Club, Automatic Trans >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> On-Board Diagnostic - Blind Spot Monitoring (BSM) Control Module >> DTC U1A4B-54: Radar Aiming Is Not Performed Or Radar Sensor Axis Is Deviated Control Module >> Diagnostic Procedure

Diagnostic Procedure

Step Inspection Action
1 PERFORM BLIND SPOT MONITORING (BSM) CONTROL MODULE (RH) RADAR AIMING  Yes Perform the blind spot monitoring (BSM) control module (RH) radar aiming again, then go to the next step.
(See BLIND SPOT MONITORING (BSM) RADAR AIMING .)
No Go to Step 3.
2 VERIFY THAT REPAIRS HAVE BEEN COMPLETED  Yes Replace the blind spot monitoring (BSM) control module, then go to the next step.
(See BLIND SPOT MONITORING (BSM) CONTROL MODULE REMOVAL/INSTALLATION .)
No Go to the next step.
3 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.