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3 Base, 4D Hatchback, AWD
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Repair and Diagnosis (Single Page)
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Accessories & Equipment
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Communication Devices
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On-Board Diagnostic - Body Control Module (BCM) (2 Of 2)
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DTC U2121-49: Communication Error With Vehicle Control Module (VCM) (BCM)
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Diagnostic Procedure
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Diagnostic Procedure
Perform an inspection in accordance with the multiplex communication system diagnostic procedure. (See
CONTROLLER AREA NETWORK (CAN) MALFUNCTION DIAGNOSIS FLOW [(US)]
.)