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2001
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A4 Sedan (8D2) L4-1.8L Turbo (AWM)
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Repair and Diagnosis
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A L L Diagnostic Trouble Codes ( DTC )
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Testing and Inspection
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Manufacturer Code Charts
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Brakes and Traction Control
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Electronic Stabilization Program (ESP) - Bosch 5.3
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VAG Codes
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DTC 01421
DTC 01421
DTC 01421 High pressure switch valve -2-traction control -N228-
DTC 1420 (Part 2 Of 2) DTC 01421 (Part 1 Of 2):
DTC 01421 (Part 2 Of 2):
