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Home >> Mazda >> 2021 >> 3 Select, 4D Hatchback, AWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> On-Board Diagnostic - Vehicle Control Module (2 Of 2) >> DTC U2123-00: Communication Error With Front Side Radar Sensor (LH) [Vehicle Control Module] >> Diagnostic Procedure
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Diagnostic Procedure

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