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Home >> Mazda >> 2018 >> CX-9 Signature >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> On-Board Diagnostic - Radar Unit >> DTC U0415-00: Error Signal Received From DSC HU/Control Module >> Diagnostic Procedure
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Diagnostic Procedure

DTC U0415:00 (Radar Unit) DIAGNOSTIC PROCEDURE

Step Inspection Action
1 VERIFY DSC HU/Control Module DTCs Yes Repair or replace the malfunctioning part according to the applicable DTC troubleshooting.
(See DTC TABLE [DSC HU/Control Module] .)
No Go to the next step.
2 VERIFY IF MALFUNCTIONING LOCATION IS DSC HU/Control Module DEPENDING ON REPEATABILITY Yes Replace the DSC HU/Control Module, then go to the next step.
(See DSC HU/Control Module REMOVAL/INSTALLATION .)
No Go to the next step.
3 VERIFY THAT REPAIRS HAVE BEEN COMPLETED Yes Replace the radar unit, then go to the next step.
(See RADAR UNIT REMOVAL/INSTALLATION .)
No Go to the next step.
4 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 (Radar Unit) .)
No DTC troubleshooting completed.