Comprehensive Expertise in ECU Repair
Our team has deep expertise in ECU repair. Over the years, we have successfully restored defective ECUs from various manufacturers. By using state-of-the-art technologies, we can accurately diagnose and fix errors.
What is meant by ECU repair?
An ECU repair, offered by Revonik GmbH, includes the professional restoration of an electronic control unit in vehicles such as cars, trucks, and motorcycles. This service is a cost-efficient alternative to replacing the ECU and is carried out by our experts with specialized experience in automotive electronics. For a repair, we require your component and the order form where all necessary data for a repair is recorded.
Cost-Effective and Sustainable Solutions
Repairing an ECU is often a cost-effective alternative to expensive replacement. At Revonik GmbH, every unit is carefully inspected and repaired, so it does not need to be reprogrammed or relearned. This not only saves time but also resources. Whether engine ECUs, ABS ECUs, transmission or airbag control units, or even instrument clusters – we are the experts in repair.
Specialist for Various Manufacturers
Whether Audi, BMW, VW, Opel, Ford, Peugeot, Citroën or other brands – we provide individual repair solutions for a wide range of manufacturers, not only for cars but also for trucks and motorcycles. Our repairs ensure that your vehicle continues to operate optimally without the risk of breakdowns.
Long-Term Warranty and Trust
With a ✅ 2-year warranty ✅ on every repair, Revonik GmbH emphasizes the confidence in the quality of our work. Our customers benefit from long-lasting and reliable functioning of their ECUs.
Error Cause Detection and Immediate Repair
Our modern diagnostic technology enables us to quickly identify errors and their causes. This allows us to intervene precisely and carry out the necessary repairs to restore optimal vehicle performance.

What is an ABS Control Unit?
The anti-lock braking system (ABS) is crucial for preventing the wheels from locking during braking and keeping your vehicle controllable, even during emergency braking. This complex system is precisely controlled by an ABS control unit. Our expert team checks and repairs ABS control units for various vehicle brands, including Audi, BMW, VW, and many more, following careful diagnosis.
Recognizing ABS Control Unit Problems
Identifying problems with the ABS system is usually straightforward. The ABS/ESP warning light on the dashboard will typically illuminate. Customers also often notice changes in their vehicle's braking behavior. A diagnostic check will reveal a corresponding error code. Causes and symptoms of an ABS control unit failure. ABS control unit problems can be due to a variety of causes, including:
Costs of ABS Control Unit Repair
Replacing an ABS control unit can be expensive, especially if a new module is required. Costs vary depending on the vehicle type but can easily reach four figures. For older vehicles like the Audi A3, a repair may be more cost-effective than a complete replacement. With our support, repair costs for VW, Audi, Skoda, BMW, Peugeot, Ford, Opel, and other brands can be reduced by 40 to 60% or even more. Contact us to learn more about our offers for you and your workshop.
ABS Control Unit Repair at Revonik
Benefit from our comprehensive expertise. As control unit specialists, we offer not only competitive prices but also excellent service. We are happy to advise you. We also guarantee a fast repair of your ABS control unit, so your vehicle can be back on the road safely in no time. Are you looking for parts to repair your vehicle? Take a look at our most popular categories: Mercedes-Benz ABS control units, Peugeot ABS control units, Ford ABS control units, Volkswagen ABS control units, Opel ABS control units, BMW ABS control units, Skoda ABS control units, and Audi ABS control units. Trust Revonik for reliable ABS control unit repair.
Control unit problems often pose major challenges for workshops. Given the high costs of purchasing new control units, repair is an attractive option. External expertise can be of valuable assistance here.

Engine Control Unit Repair
When an ECU fails, it's common practice to replace the defective component with a new one. However, you can offer your customers an additional level of service by utilizing ECU repair specialists. This not only reduces costs but also contributes to reducing electronic waste and encourages positive referrals.
Control Units (ECU): Structure and Function
Control units are used in a variety of applications that require precise electronic control. Depending on the vehicle type and age, various control units are installed that control far more than just the ignition. The engine control unit processes signals and performs various functions related to the ignition, fuel injection, and exhaust system.
Control Unit Defective? Common Symptoms and Causes
The repair approach depends on the cause of the control unit problem. The first step is to determine the cause of the problem.
Frequent Causes of Control Unit/ECU Damage
Poor solder joints and defective microcomponents are often responsible for engine control unit failure. Investigations can reveal wiring or supply problems. A short circuit in the wiring or a sensor can cause the control unit to burn out.
Defects in Control Units – Typical Problems
The errors that occur vary depending on whether the engine control unit or another component is affected. The following problems are frequently observed:
Rough engine running, misfiring, combustion misfiring;
communication failure – no connection to the control unit possible;
vehicle won't start or stalls while driving;
check engine light illuminates, vehicle jerks or sputters;
Control Unit Repair – Cost Overview
The cost of repairing a control unit varies depending on the type of defect. We can offer you a competitive quote compared to the cost of a replacement. In many cases, the cost can be reduced by half or even a quarter.
After accidents or other damage, airbag control units are often expensively replaced with new parts. But did you know there is a cost-efficient and sustainable alternative?

Functions of the Airbag Control Unit
The airbag control unit plays a crucial role in the safety of your vehicle by:
Our experts can fix a wide range of problems, including:
Cost Overview
The cost of repairing a control unit varies depending on the type of defect. Compared to the cost of a replacement, we can offer you a highly competitive quote. In many cases, the cost can be reduced by up to 75%.
Airbag Control Unit Repair at Revonik
At Revonik, we specialize in the repair of airbag control units. Our over ten years of expertise guarantees fast and cost-effective processing of your order. See for yourself and benefit from our expert advice and an additional two-year warranty. We offer repair services for airbag control units from all manufacturers, including Audi, VW, BMW, Mercedes, Ford, Bosch, Siemens, and many more. Trust Revonik for your airbag control unit repair needs.
The instrument cluster or speedometer in modern vehicles monitors far more than just speed and mileage. With increasing technological sophistication, it is becoming more and more challenging for workshops to diagnose and repair defective instrument clusters.

Common Causes of Instrument Cluster Damage
The main causes of instrument cluster repairs are often due to temperature fluctuations. This can lead to the following problems:
The Instrument Cluster: Structure and Function
The instrument cluster provides drivers with a quick overview of key vehicle data. Information on speed, fuel level, and multimedia applications converge here. Visual and acoustic signals help focus attention on what's important. The complex structure, with its numerous soldered connections, LEDs, and processors, forms the heart of the instrument cluster. Repairing an instrument cluster therefore requires precise fault diagnosis.
Symptoms and Causes of Instrument Cluster Defects
A speedometer repair is necessary when displays no longer function correctly, warning signals sound at inappropriate times, analogue displays fail, control lights illuminate, the instrument cluster display remains dark or even fails completely.
Repair Options for a Defective Instrument Cluster
The next steps depend on the type of error. A defective acoustic sensor can be repaired quickly. Even large-scale pixel defects can often be repaired. Speedometer repair in older vehicles may require more time for troubleshooting, but is usually more cost-effective than replacing a new part.
Our many years of experience and commitment to the highest quality have earned us an excellent reputation as a trusted partner in the industry. For a small extra fee, we also offer express repair/testing within just 48 hours, giving our customers maximum flexibility. Rely on our expertise and know-how when it comes to repairing your vehicle control units. Contact us today to learn more about our services and how we can help you get your vehicles back on the road quickly. Revonik – your reliable choice for vehicle control units in NRW.
The CPC Control Unit: Structure and Function
The Central Powertrain Controller (CPC) is a critical component in modern commercial vehicles (trucks and buses). Equipped with a powerful multi-core processor and an open networking architecture based on the proven Engine Management System 3 (EMS3) engine control platform, the CPC handles comprehensive control and communication between the diverse control units throughout the vehicle's powertrain. This intelligent system ensures seamless interaction and optimal performance to deliver a smooth driving experience.
Symptoms of a Defective CPC Control Unit:
Cost Overview
The cost of repairing a control unit varies depending on the type of defect. Compared to the cost of a replacement, we can offer you a highly competitive quote. In many cases, the cost can be reduced by up to 75%.
Airbag Control Unit Repair at Revonik
At Revonik, we specialize in the repair of airbag control units. Our over ten years of expertise guarantees fast and cost-effective processing of your order. See for yourself and benefit from our expert advice and an additional two-year warranty. We offer repair services for airbag control units from all manufacturers, including Audi, VW, BMW, Mercedes, Ford, Bosch, Siemens, and many more. Trust Revonik for your airbag control unit repair needs.
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