Audi A3 E 104 T Control Unit Steering Wheel Electronics Module 1K0953549AH

Audi A3 E 104 T Control Unit Steering Wheel Electronics Module is an original component from the Steering wheels and horn buttons group, responsible for precise steering wheel position reading and integration with safety systems. Thanks to its factory design intended for the Audi brand, it ensures consistent operation with the vehicle's electronics and stable performance of assistance systems.

Specifications and technical data

• SKU: 1K0953549AH
• Mark: Audi
• Condition: Used
• OEM Part Number: 1K0953549AH
• Substitutable numbers: 1K0953549AH, 1K0 953 549 AH
• Category: Steering Wheels & Horn Buttons

Function and role of the steering angle module

The presented control unit plays a key role in the steering system, responsible for measuring and transmitting information about the current steering angle to other control units in the vehicle. A properly functioning module supports the operation of electronic stability control, power steering, and advanced comfort features, which translates into predictable vehicle behavior on the road.

By using original electronics designed for Audi, it is possible to maintain signal consistency, reduce communication errors in the bus, and ensure proper cooperation with the vehicle's factory software.

Construction and purpose in the Audi steering system

The steering angle sensor module is integrated with the steering column and works with components such as the steering wheel, airbag clock spring, or control buttons. Its design was developed specifically for the platform used in Audi models, which facilitates installation and eliminates the need for wiring modifications.

In practice, this means:

• factory fitment to the geometry of the Audi steering column,
• adaptation for cooperation with the airbag system and steering wheel buttons,
• logic of operation and communication with other control units designed for a specific platform.

Benefits of using an original used module

Choosing a used, original steering angle control unit is a solution that allows you to balance cost control with maintaining factory build quality. The component sourced from an Audi vehicle disassembly is structurally consistent with the factory equipment, which promotes seamless integration with the existing electrical installation.

The main advantages of this solution include:

• maintaining the original operating characteristics of the steering system,
• reducing the risk of compatibility issues compared to aftermarket replacements of unknown origin,
• the possibility of an economical repair of the steering system while retaining factory electronics.

Practical installation and operational tips

When replacing the steering angle sensor module, it is recommended to perform an adaptation and calibration procedure using an appropriate diagnostic tester to ensure that the vehicle's systems correctly recognize the steering wheel position. It is also worth paying attention to the correct routing of wiring harnesses and the condition of connectors, which minimizes the risk of signal interference.

After installation, it is advisable to perform a test drive while monitoring messages in the diagnostic system to confirm the stable operation of the power steering and electronic stability control systems.

Expanding the Audi steering system and practical knowledge

If you are planning a comprehensive repair or upgrade of the steering area in your Audi and need other components from the same group, such as steering wheels, horn buttons, or steering column control modules, check out the available parts in the Audi steering wheels and horn buttons category.

For those who want to consciously build a more comfortable and aesthetic interior, a guide describing the selection of seats, steering wheels, and multimedia from the secondary market will be useful – you can find a detailed discussion in the article Premium interior for half the price: second-hand seats, steering wheels, and multimedia.