Mike's Workshop Manuals
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Mazda
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2022
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3 Base
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Repair and Diagnosis
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Accessories & Equipment
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Drivers Assistance Systems - ADAS
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On-Board Diagnostic - Vehicle Control Module (3 Of 4)
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DTC U0121-00: COMMUNICATION ERROR WITH DSC HU/Control Module
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Diagnostic Procedure
Diagnostic Procedure
Perform an inspection in accordance with the multiplex communication system diagnostic procedure. (See
CONTROLLER AREA NETWORK (CAN) MALFUNCTION DIAGNOSIS FLOW [(US)]
.)