Operation CHARM
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Audi
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1997
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A8 Quattro Sedan (4D2) V8-4.2L (ABZ)
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Repair and Diagnosis
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Cruise Control
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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 reading diagnostic trouble codes without a scan tool.