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Volkswagen
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1999
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Golf (1J1) L4-1.9L DSL Turbo (ALH)
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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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Engine Control System
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DTC 17978
DTC 17978
P1570/VAG 17978 = Control Module Locked. Adapt engine control module to immobilizer.