Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSAUDI2007RS4 QUATTRO SEDAN (8EC) V8-4.2L (BNS)REPAIR AND DIAGNOSISACCESSORIES AND OPTIONAL EQUIPMENTANTITHEFT AND ALARM SYSTEMSSERVICE AND REPAIRANTI-THEFT IMMOBILIZER
2007 Audi RS4 Quattro Sedan (8EC) V8-4.2L (BNS)
Anti-Theft Immobilizer
2007 Audi RS4 Quattro Sedan (8EC) V8-4.2L (BNS)SECTION Anti-Theft Immobilizer
Anti-Theft Immobilizer
=> [ Reader Coil, Replacing ]
=> [ Lock Set or Instrument Cluster, Replacing ]
Reader Coil, Replacing
• The reader coil is integrated into the lock cylinder and cannot be serviced or replaced separately.
• The complete lock cylinder must be replaced if the reader coil malfunctions => [ Lock Cylinder ] Ignition/Starter Switch and Lock Cylinder
- Order replacement lock cylinder on the basis of the lock number and/or VIN.
Lock Set or Instrument Cluster, Replacing
Follow replacement procedures as specified using VAS 5051/5052 in mode "Guided Fault Finding".
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.