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Volkswagen
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2004
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Jetta Sedan (9M2) L4-2.0L (AVH)
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Repair and Diagnosis
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Powertrain Management
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Computers and Control Systems
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Testing and Inspection
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Reading and Clearing Diagnostic Trouble Codes
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Reading Diagnostic Trouble Codes
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Without Scan Tool
Without Scan Tool
The manufacturer does not provide a procedure for reading diagnostic trouble codes without a scan tool.