Audi A4 S4 B7 4.2 BBK ABS ESP Pump Control Module 8E0614517J

The ABS/ESP Pump Control Module for Audi A4 S4 B7 4.2 BBK is a specialized unit designed for precise control of the anti-lock braking system and electronic stability program in Audi vehicles. This component is responsible for the interaction between wheel speed sensors, the hydraulic pump, and the ESP system, which translates to predictable vehicle behavior during braking and emergency maneuvers.

Specifications and technical data

• SKU: 8E0614517J
• Mark: Audi
• Condition: Used
• OEM Part Number: 8E0614517J
• Substitutable numbers: 8E0614517J, 8E0 614 517 J
• Category: ABS Control Modules

Purpose and Function of the ABS/ESP Control Module

The presented module belongs to the ABS Control Units group and is designed to work with the braking system in Audi A4 and S4 B7 generation models with the 4.2 BBK engine. Its task is to rapidly process signals from sensors and control pressure in the brake circuits to limit wheel slip and maintain vehicle stability under various road conditions.

Thanks to its dedicated electronic architecture, the module ensures:

• precise pressure modulation in the brake circuits during sudden braking,
• cooperation with the ESP system in situations of traction loss,
• seamless integration with the vehicle's factory electrical system.

Benefits of Using an Original Audi Control Module

Using an original Audi ABS/ESP control module allows for the preservation of the braking system and stability control's factory operating parameters. Proper matching to the specific engine version and body generation minimizes the risk of communication issues via the data bus and errors in the onboard systems.

Key advantages include:

• maintaining compatibility with the vehicle's software and configuration,
• stable operation of active safety systems,
• diagnosability using standard Audi service tools.

Performance and Installation Characteristics

The module is an electronic component intended for installation in place of the factory ABS/ESP pump control module. The design intended by the vehicle manufacturer allows for installation in existing mounting points and connection to the original electrical harness connectors, reducing the need for wiring modifications.

As a used aftermarket part, the control module is intended for users and workshops looking to restore full ABS/ESP functionality while maintaining a favorable cost-to-quality ratio. Prior to installation, a standard diagnostic procedure and module adaptation according to the vehicle manufacturer's guidelines are recommended.

Selecting the Correct Module and Operational Safety

To ensure proper system operation, it is crucial to match the control module to the specific vehicle configuration, including engine version and equipment. Verification of compatibility by OEM part number and interchangeable numbers helps reduce the risk of incorrect interaction with other electronic systems.

If you wish to deepen your knowledge on the safe selection of aftermarket braking system components, it is worth reading the article: Used Braking System: How to Safely Choose Discs, Calipers, and ABS?, which provides a practical checklist useful when purchasing used components.

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