1K0907379AE ABS Module & 1K0614517BE Pump: Faults, Symptoms, Compatibility & Replacement Guide

1K0907379AE ABS Module & 1K0614517BE Pump: Faults, Symptoms, Compatibility & Replacement Guide

If your Volkswagen, Audi, SEAT or Škoda has an ABS warning light, ESP warning, traction-control fault or a diagnostic message pointing towards the ABS control unit, the 1K0907379AE ABS module and 1K0614517BE hydraulic pump are part numbers worth checking carefully. Getting the correct ABS assembly is important because VAG vehicles can use several visually similar units with different software, coding and hydraulic configurations.

This guide explains what these components do, the symptoms that can point to an ABS module or hydraulic-pump problem, how diagnosis should be approached, how to check compatibility, what happens after replacement, and how to avoid ordering the wrong unit.

What are 1K0907379AE and 1K0614517BE?

1K0907379AE identifies an ABS electronic control module used within certain Volkswagen Audi Group braking systems. The control electronics receive information from wheel-speed sensors and other vehicle systems and use that information to manage ABS, electronic stability functions and traction-related intervention where fitted.

1K0614517BE identifies the associated hydraulic unit/pump assembly used with certain ABS configurations. The hydraulic section controls brake-fluid pressure through electronically controlled valves and the pump motor. The electronic module and hydraulic assembly work together as one ABS system, but they are not automatically interchangeable with every other 1K0 907 379 or 1K0 614 517 variant.

A part number that looks almost identical is not necessarily a correct replacement. The suffix letters, complete hydraulic-unit number, vehicle specification and original coding can all matter.

What does the ABS module do?

• Monitors wheel-speed and other braking-system information.

• Controls the hydraulic valves used during ABS intervention.

• Communicates with other vehicle control units over the vehicle network.

• Supports electronic stability and traction-control functions where fitted.

• Stores diagnostic information when the system detects an electrical, communication, sensor or hydraulic fault.

Because the ABS controller is part of the vehicle communication network, a warning light does not automatically prove that the control module itself has failed. A wheel-speed sensor, wiring fault, power or earth problem, hydraulic issue, communication fault or low system voltage can create similar symptoms. Diagnosis should therefore come before replacement wherever possible.

What does the 1K0614517BE hydraulic pump do?

The hydraulic unit contains the valves and pump motor that allow the ABS system to modulate brake pressure. During an ABS event, the system can rapidly change pressure at individual wheels to help prevent lock-up. The hydraulic assembly is safety-critical and should only be replaced and bled by someone competent to work on braking systems.

Common symptoms of an ABS module or pump fault

The symptoms depend on the exact failure, but drivers may notice one or more of the following:

• ABS warning light illuminated on the dashboard.

• ESP, ESC or traction-control warning appearing alongside the ABS warning.

• ABS system unavailable according to a diagnostic scan.

• Intermittent warning lights that disappear and return.

• Diagnostic communication problems with the ABS controller.

• Pump-motor or hydraulic-pressure related fault codes.

• ABS or stability-control functions being disabled.

• A fault that returns shortly after being cleared.

• Multiple warning lights appearing after low battery voltage or an electrical event.

An ABS warning light should never be treated as proof that the pump is defective. The same dashboard warning can be caused by a sensor, wiring, power supply, communication or hydraulic problem.

Why do ABS faults sometimes appear intermittently?

Electronic faults can be affected by temperature, vibration, moisture, supply voltage and internal component condition. A module may communicate normally when cold and then develop a fault as it warms up. A poor connection or damaged wiring can also behave differently as the vehicle moves.

If the warning disappears after switching the ignition off, record what happened and have the vehicle scanned while the fault is present if possible. Stored fault information can help distinguish an intermittent electrical issue from a permanent component failure.

Diagnostic fault codes: why the exact code matters

Generic descriptions such as “ABS fault” or “module defective” are not enough to choose a replacement confidently. A professional diagnostic scan should identify the control unit, stored or current fault codes, communication status and relevant live data.

Do not assume that every fault code mentioning the ABS pump means the complete assembly needs replacing. The code needs to be interpreted in the context of the vehicle, wiring, power supply, sensors and symptoms.

Which vehicles use 1K0907379AE and 1K0614517BE?

These part numbers are associated with VAG applications and can be found across vehicles from Volkswagen, Audi, SEAT and Škoda. Applications can vary by model year, engine, drivetrain, brake system and original equipment specification.

Examples commonly associated with this family of ABS components include vehicles such as the Volkswagen Golf, Audi A3, Škoda Octavia, SEAT Leon and Volkswagen Touran. This is not a blanket fitment list: the correct application must be confirmed against the vehicle and original part number before ordering.

Do not buy an ABS module from the vehicle model alone

“It is for a Golf” is not enough information to guarantee compatibility. Two cars of the same model can have different ABS configurations. Even within the same generation, changes in engine, gearbox, drivetrain, brake specification and production date can affect the correct controller and hydraulic unit.

The safest approach is to match the complete original part number and confirm the vehicle details. If the number on your existing unit is different, do not assume a replacement is correct simply because it looks the same.

How to check whether a replacement is compatible

• Take a clear photograph of the label on the existing ABS unit.

• Record every part number, including suffix letters.

• Provide the vehicle registration number.

• Where appropriate, provide the VIN.

• Tell the supplier the exact make, model and year.

• Provide diagnostic fault codes if the vehicle has been scanned.

• Ask for compatibility confirmation before purchasing when there is any uncertainty.

At Burton VAG Spares, sending the registration number and the number from the existing unit gives us much better information than relying on the vehicle model alone. For difficult-to-source VAG electronics, part-number matching is one of the most important steps in avoiding an expensive wrong-part order.

Can you replace only the electronic module?

Sometimes the electronic module can be replaced separately, but the correct approach depends on the fault, the original ABS configuration and the replacement unit. If the hydraulic assembly is healthy and the electronic controller is the confirmed failed component, a module-only replacement may be appropriate. If the hydraulic pump or valves are also faulty, a complete matched assembly may make more sense.

Never choose between module-only and complete-assembly replacement solely on price. Diagnostic evidence should determine which component has failed.

Does a replacement ABS module need coding?

A replacement ABS controller may require vehicle-specific coding or configuration before the ABS system will operate correctly. The exact procedure depends on the vehicle and control-unit configuration. Diagnostic equipment capable of communicating with the relevant VAG control unit may be required.

Coding is not the same as simply clearing fault codes. A replacement unit can be physically installed and still show faults if it has not been correctly configured for the vehicle. Some vehicles may also require basic settings, calibrations or other procedures after installation.

What about brake bleeding after replacing the hydraulic unit?

If the hydraulic circuit has been opened, the brake system may require proper bleeding. Some ABS systems can require a diagnostic-assisted bleeding procedure to move fluid through the ABS hydraulic unit correctly. The exact procedure is vehicle-specific.

Brakes are safety-critical. If you are not suitably trained and equipped to replace, bleed and test an ABS hydraulic system, use a qualified professional. Do not road-test a vehicle with an uncertain brake system.

Used OEM vs new aftermarket ABS units

For older VAG vehicles, a tested genuine used OEM ABS assembly can be an attractive alternative to an expensive new unit, particularly when the original component is discontinued or difficult to source.

• Genuine OEM construction and original vehicle specification.

• Potentially lower purchase cost than a new dealer-supplied unit.

• Useful for older vehicles where new supply is limited.

• Part-number matching can help preserve the correct vehicle specification.

• A reputable supplier should provide clear information about testing and compatibility.

A used electronic part should not be described as “plug and play” unless that is genuinely confirmed for the particular vehicle. Coding, configuration, bleeding and calibration requirements can still apply.

How Burton VAG Spares can help

Finding the correct ABS module is often harder than simply searching a model name. Burton VAG Spares specialises in hard-to-find vehicle electronics and VAG parts, including ABS modules, pumps and other control units.

If you are looking for 1K0907379AE, 1K0614517BE or a compatible replacement, send us the vehicle registration and the part number from your existing unit. If possible, include a photograph of the label and any diagnostic fault codes. We can then help identify the correct part rather than asking you to guess from a generic vehicle listing.

ABS replacement checklist

• Confirm the original ABS control-module number.

• Confirm the hydraulic-unit number.

• Check the vehicle registration or VIN.

• Record the diagnostic fault codes.

• Confirm whether the fault is electronic, hydraulic, sensor-related or wiring-related.

• Check whether coding or configuration will be required.

• Use the correct brake-fluid bleeding procedure after hydraulic work.

• Clear faults and perform required post-installation checks.

• Carry out a safe brake-system test before returning the vehicle to normal use.

Frequently asked questions

Are 1K0907379AE and 1K0614517BE the same part?

No. 1K0907379AE identifies the electronic ABS control module, while 1K0614517BE identifies the associated hydraulic unit/pump. They work together as part of an ABS assembly but are separate component identifiers.

Can I use another 1K0907379 part number instead?

Not without checking compatibility. Similar-looking VAG ABS part numbers can have different specifications, software or hydraulic configurations. Match the complete original numbers and vehicle details before ordering.

Will an ABS warning light automatically mean the pump has failed?

No. ABS warnings can be caused by sensors, wiring, power supply, communication faults, the electronic module or the hydraulic assembly. A diagnostic scan and proper testing are needed.

Can I drive with the ABS warning light on?

A vehicle with an ABS fault may have reduced safety-system functionality. Have the braking system inspected promptly rather than treating the warning light as a minor issue. If braking performance itself is abnormal, do not continue driving the vehicle.

Will the replacement be plug and play?

Do not assume so. Depending on the vehicle and replacement unit, coding, configuration, basic settings, calibration and brake-system bleeding may be required.

What information should I send BVS?

The most useful information is your registration number, VIN where available, complete part number from the existing ABS unit, a clear photograph of the label and any diagnostic fault codes.

Final thoughts

The 1K0907379AE ABS module and 1K0614517BE hydraulic unit are important components in the braking and stability-control system on applicable VAG vehicles. The key to a successful replacement is not simply finding a part that looks similar: it is identifying the exact specification, diagnosing the original fault correctly and completing any required coding, bleeding or calibration.

If you need help finding a genuine replacement ABS module or pump, contact Burton VAG Spares with your registration and original part number. We can help you work out what you need before you order.