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Mazda Truck
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2010
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CX-7 AWD L4-2.3L Turbo
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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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U0186
U0186
U0186 - Communication error to audio amplifier
Determining Malfunctioning Part (MS-CAN) - Multiplex Communication System