A4 Quattro Sedan L4-2.0L Turbo (CAEB) (2009)
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Parking Aid Control Module (J446) behind luggage compartment right side trim
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Vehicle Electrical System Control Module (J519 ) behind instrument panel cover on driver's side
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Comfort System Central Control Module (J393) behind luggage compartment right side trim
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Towing Recognition Control Module (J345) behind luggage compartment right side trim
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Climatronic Control Module (J255) in top of center console
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ABS Control Module (J104) in the engine compartment
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Steering Angle Sensor (G85) on steering column at Steering Column Electronic Systems Control Module (J527)
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CAN bus (powertrain)