Operation CHARM
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Audi
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2004
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S4 Quattro Sedan (8E2) V8-4.2L (BHF)
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Repair and Diagnosis
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Heating and Air Conditioning
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Testing and Inspection
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Reading and Clearing Diagnostic Trouble Codes
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Automatic Climate Control System
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Clearing Trouble Codes
Clearing Trouble Codes
The manufacturer does not provide a procedure for clearing diagnostic trouble codes without a scan tool.