Operation CHARM
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Audi
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1999
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A6 Quattro Wagon (4B5) V6-2.8L (AHA)
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Repair and Diagnosis
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Lighting and Horns
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Headlamp
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Testing and Inspection
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Reading and Clearing Diagnostic Trouble Codes
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Check DTC Memory (Scan Tool Function 02)
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Without Manufacturer Scan Tool
Without Manufacturer Scan Tool
The manufacturer makes no provision for displaying or reading Diagnostic Trouble Codes without a scantool.