S4 Quattro Wagon V8-4.2L (BHF) (2008)
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Faults are saved in the ECM when the electrical connectors are disconnected:
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Connect Vehicle Diagnosis, testing & info. system (VAS 5051B).
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Start "Guided Functions" operating mode.
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Generate readiness code in ECM.
Tightening Specifications
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Insert using locking compound.
