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Mazda
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2009
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3 L4-2.3L
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Repair and Diagnosis
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A L L Diagnostic Trouble Codes ( DTC )
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Testing and Inspection
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U Code Charts
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U2516
U2516
DTC U0073, U0516, U1900, U2516 [MULTIPLEX COMMUNICATION SYSTEM]
Detection Condition/Possible Cause:
Diagnostic procedure
Step 1-Step 4:
