Operation CHARM
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Audi
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2004
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A4 Cabriolet (8H7) L4-1.8L Turbo (AMB)
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Repair and Diagnosis
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Body and Frame
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Seats
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Testing and Inspection
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Reading and Clearing Diagnostic Trouble Codes
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Displaying and Reading Trouble Codes
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Without Manufacturer Scan Tool
Without Manufacturer Scan Tool
The manufacturer does not provide a procedure for displaying and reading trouble codes without a manufacturers scan tool.