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Home >> Oldsmobile >> 1999 >> Aurora V8-4.0L VIN C >> Repair and Diagnosis >> Heating and Air Conditioning >> Testing and Inspection >> Reading and Clearing Diagnostic Trouble Codes >> Displaying & Reading Trouble Codes - HVAC System - Automatic >> Without Scan Tool

Without Scan Tool

Use a scan tool in order to display the Diagnostic Trouble Codes (DTCs).
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