FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM
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Car repair manuals for everyone.
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Mazda
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2009
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Mazdaspeed3 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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U0073
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DTC U0073, U2012 [Multiplex Communication System]
DTC U0073, U2012 [Multiplex Communication System]
DTC U0073, U2012 [MULTIPLEX COMMUNICATION SYSTEM]
Detection Condition/Possible Cause:
Diagnostic procedure
Step 1-Step 4:
