Audi A6 C6 4F Ignition Lock Barrel Key Reader Ring Control Unit 4F0909131E

Audi A6 C6 4F – Ignition Switch, Key Reader, and Control Ring are the original modules responsible for key reading and interfacing with the electronic ignition lock system. This component is disassembled, combining factory quality with a competitive price while maintaining high reliability in everyday use.

Specifications and technical data

• SKU: 4F0909131E
• Mark: Audi
• Condition: Used
• OEM Part Number: 4F0909131E
• Substitutable numbers: 4F0909131E, 4F0 909 131 E
• Category: Other Ignition Systems & Components

Purpose and function in the ignition system

This ignition module with a key reader and control ring is a component of the system responsible for recognizing the transponder in the key and transmitting the signal to the vehicle's control system. A properly functioning key reader is crucial for:

• stable engine starting,
• correct operation of the immobilizer,
• trouble-free communication with the body electronics.

By using the original component, compatibility with the factory electrical architecture of the Audi A6 C6 is maintained, reducing the risk of communication errors and starting problems.

Module structure and advantages of the original solution

The ignition switch with key reader in this model combines mechanical and electronic components, creating a cohesive unit that works seamlessly with the factory security system. Its unique design ensures:

• precise guidance of the key in the socket,
• stable transponder reading,
• correct transmission of signals to the control units.

Factory workmanship ensures proper fit with the steering column and interior components, which simplifies installation and eliminates the need for any modifications to the system.

Used condition - practical benefits

The offered component is in used condition, which in practice means it comes from a used vehicle, but retains full functionality within its role in the ignition system. For the user, this means:

• lower cost compared to a new module,
• maintaining the original manufacturer's specifications,
• the possibility of economically repairing vehicle starting problems.

A used, original ignition module is often a reasonable alternative to substitutes of uncertain quality, especially in the case of components working with security electronics.

Why choose this Audi A6 C6 4F ignition module?

In Audi A6 C6 class vehicles, the ignition and immobilizer systems are closely integrated with the body electronics. Using the original ignition module with a key reader allows:

• maintain full compatibility with factory software,
• minimize the risk of diagnostic errors,
• maintain the integrity of the vehicle's security system.

Audi A6 C6 4F – ignition switch, key reader and control ring is a solution aimed at workshops and users who expect predictable operation of the ignition system and want to avoid problems resulting from installing untested substitutes.

Other Audi ignition modules and used parts knowledge

If you're looking for other ignition lock modules and key readers for Audi, check out our dedicated category: ignition lock modules and key readers for Audi . This will allow you to easily compare available solutions and select the right component for your specific equipment version.

Are you considering buying a used electronic component and want to better understand the benefits of such solutions? We encourage you to read our guide, which discusses the key benefits and considerations when choosing: is it worth investing in used car parts – key benefits and practical tips ?