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Audi
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2005
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A4 Cabriolet (8H7) L4-1.8L Turbo (AMB)
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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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Manufacturer Code Charts
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Transmission Control Systems
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VAG Codes
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DTC 18221
DTC 18221
DTC 18221 / P1813, 18226 / P1818
