Audi Q3 8U ABS Pump Wheel Braking Control Unit Module 5N0614109BA

Audi Q3 8U ABS Pump Wheel Braking Control Unit Module is a factory-fitted braking system component responsible for precise pressure control in the brake circuits and stable operation of the anti-lock braking system. As part of the ABS Control Units group, it ensures proper integration with the vehicle's electronics, supporting safety during emergency braking and on slippery surfaces. This used OEM component is a sensible choice for professional repairs or restoring the factory configuration of the Audi braking system.

Specifications and technical data

• SKU: 5N0614109BA
• Mark: Audi
• Condition: Used
• OEM Part Number: 5N0614109BA
• Substitutable numbers: 5N0614109BA, 5N0 614 109 BA
• Category: ABS Control Modules

Purpose and function in the braking system

The presented ABS control unit is designed to work with the hydraulic anti-lock braking pump in the Audi Q3 8U generation. It is responsible for:

• controlling pressure in the brake circuits during emergency braking,
• precise distribution of braking force to individual wheels,
• cooperation with wheel speed sensors and other vehicle modules,
• stabilizing the vehicle's path in low-grip situations.

Thanks to this, the ABS system can react quickly and consistently, reducing the risk of wheel lock-up and loss of vehicle control.

Benefits of using an original Audi ABS control unit

Using an original controller from the ABS Control Units group in an Audi provides a range of practical service and operational benefits:

• maintaining the factory operating parameters of the braking system,
• consistency with the vehicle's software and electrical architecture,
• easier diagnostics using professional service testers,
• reducing the risk of communication errors between modules.

This solution is particularly recommended for post-accident repairs, replacing a damaged module, or restoring full ABS system functionality after control unit errors occur.

Characteristics of the used component

The offered module comes from disassembly and is classified as a used original Audi component. This type of part allows for a significant reduction in repair costs compared to a new OEM component, while maintaining structural and electrical compatibility with the vehicle's factory system. Before installation, standard service procedures are recommended: visual inspection, verification of the pump assembly's tightness, and computer adaptation and diagnostics after installation in the car.

Installation tips and part number selection

When selecting an ABS control unit for an Audi Q3 8U, it is crucial to match it to the specific vehicle configuration (model year, trim level, type of braking system). In workshop practice, attention is paid to:

• compatibility of the OEM part number with the removed module,
• any interchangeable numbers approved by the manufacturer,
• type of pump and electrical harness used.

After installation, the module should be coded and checked with a diagnostic tester to confirm proper communication with other control units and the absence of active errors in the ABS system.

Safe purchase of a used ABS control unit

When choosing a used braking system component, it is worth following proven selection and diagnostic procedures. A detailed discussion of this topic can be found in the article: Second-hand braking system: how to safely choose discs, calipers, and ABS?, where it is described step-by-step what to look for when buying ABS modules from a used parts store.

If you are planning a comprehensive repair or upgrade of the braking zone in your Audi and need other elements from the same group, such as control modules, hydraulic units, or electronic pump blocks, check the available parts in the Audi ABS Control Units category.