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Mazda
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2023
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3 Select, 4D Hatchback
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Repair and Diagnosis
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Accessories & Equipment
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Collision/Avoidance
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On-Board Diagnostic - Adaptive Led Headlights Control Module
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DTC U0122-87: Communication Error With DSC HU/Control Module [Adaptive Led Headlights Control Module]
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Without Mazda M Hybrid
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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)]
.)