VW Audi Bosch MED9.1.1 ECU Clone Programming Service | FSI VR6 V8 V10
VW Audi Bosch MED9.1.1 ECU Clone Programming Service | FSI VR6 V8 V10
VW Audi Bosch MED9.1.1 ECU Clone Programming Service | FSI VR6 V8 V10
This is a mail-in ECU cloning service for supported Volkswagen and Audi vehicles equipped with the Bosch MED9.1.1 engine control module.
We transfer the necessary vehicle-specific data from your original ECU into a compatible replacement ECU that you provide. The replacement retains the required original vehicle and immobilizer information, allowing it to replace the original without normal replacement ECU immobilizer adaptation.
This service is commonly used for select 3.2L, 3.6L, 4.2L, and 5.2L FSI applications equipped with MED9.1.1.
When to Use This Service:
- Your original MED9.1.1 ECU is faulty but still communicates and can be read.
- You have a compatible used replacement ECU.
- You need the original immobilizer and vehicle-specific data transferred to the replacement.
- You want to retain the vehicle's normal immobilizer operation.
What This Service Does:
- Reads the necessary data from your original MED9.1.1 ECU.
- Transfers the required vehicle-specific and immobilizer data into your replacement ECU.
- Retains the original vehicle information and ECU configuration.
- Prepares the replacement ECU for installation back into the vehicle.
Supported ECU Type:
- Bosch MED9.1.1
Common Volkswagen Applications:
- Volkswagen Passat (B6) – select 3.2L / 3.6L FSI applications
- Volkswagen Touareg – select FSI applications
Common Audi Applications:
- Audi A6 / A6 Avant (C6) – select 4.2L FSI applications
- Audi A6 Allroad (C6) – select 4.2L FSI applications
- Audi A8 (D3) – select 4.2L FSI applications
- Audi Q7 – select FSI applications
- Audi S5 – select 4.2L FSI applications
- Audi S6 – select 5.2L V10 FSI applications
- Audi S8 – select 5.2L V10 FSI applications
Not every engine or model listed above uses MED9.1.1. Compatibility is determined by the ECU type, hardware, part number, and vehicle application.
Important Requirements:
- YOU MUST SEND BOTH ECUs — ORIGINAL AND REPLACEMENT.
- The original ECU must contain readable data for this cloning service.
- The replacement ECU must be compatible with the original.
- We recommend matching the original ECU part number whenever possible.
If you are unsure whether your replacement ECU is compatible, send us clear photos of both ECU labels before purchasing.
Important — Multi-ECU Applications:
Certain high-performance Audi applications may use more than one engine control module.
If your vehicle is equipped with multiple engine ECUs or you are unsure which module requires replacement, contact us with your vehicle information and ECU part numbers before purchasing.
Original ECU Severely Damaged?
If your original ECU has severe water damage, internal failure, physical damage, or no communication, contact us with your vehicle information and ECU part number before purchasing.
Data recovery may still be possible in certain cases depending on the condition of the original ECU.
Why Choose ECU Cloning?
- Transfers the original immobilizer and vehicle-specific information.
- Allows a compatible used ECU to replace the original.
- Retains the vehicle's normal immobilizer operation.
- Avoids normal replacement ECU immobilizer adaptation.
- Ideal for replacing a faulty MED9.1.1 ECU.
Don’t See Your Vehicle or Part Number?
Select Other / Part Number Not Listed or send us your vehicle information and ECU part number for verification. We’re happy to assist!
This product description is original content.
Unauthorized copying, scraping, or reproduction is prohibited.
Protection ID: VELECTRONIX-ORIGINAL-CONTENT-2026-V1
Common Part Numbers
Common Part Numbers
4E0907552
4E0910552
4E1910560D
4F1907552A
4F1910560
4L0907560A
4L0910560B
4L0910560D
4L0910560M
7L0907560A
8T0907560C
8T0907560J
0261S02199
0261S02202
0261S02203
0261S02408
0261S02488
0261S02493
0261S02549
0261S02550
0261S02623
0261S02695

General FAQ
See All
What is immo off or immobilizer delete, and will it work for my VW or Audi?
Immobilizer delete (immo off) bypasses the immobilizer in the engine control unit (ECU) of VW and Audi vehicles. It’s used when the vehicle starts but immediately shuts down due to a fault in the immobilizer system, often with fault codes P1570 or P0513. Immo off services will not work if the vehicle does not start at all; it must start and then be shut down due to the immobilizer.
What is module cloning, and do part numbers need to match?
Module cloning involves copying all the data from one module to another, allowing the replacement to function just like the original. While it's generally recommended to match part numbers for compatibility, the necessity can vary by module. Some require exact matches, while others are more flexible and allow cloning between different part numbers. Each product listing on our website specifies the part number requirements. If you're unsure, feel free to reach out for guidance.
Do you have to open the module cases?
We only open module cases when absolutely necessary. For services that don’t require opening, we won’t open the module. However, depending on how badly damaged your original ECU is, sometimes opening the module is the only way to retrieve data. Additionally, some services don’t have a plug-in method at all and require direct access to the board, including soldering or chip replacement. The need to open modules is not specific to us but is sometimes essential depending on the condition of the ECU.
What are the shipping procedures and turn around times?
After purchasing, you will receive an email with shipping instructions. You are responsible for shipping your modules to us, and we will cover the return shipping. You can use any shipping service that is convenient for you. We typically use UPS Ground (3-5 days) for return shipping, but in some cases, we may use USPS or FedEx. Once we receive your package (shipping times depend on how quickly you ship it and the service used), we typically ship it back the next business day. Some services may require a 2-day handling time, depending on the complexity.
For detailed shipping times to and from your location, check out our shipping speed map.
What is the warranty?
We offer a 90-day warranty on programming only. This covers the accuracy of the programming performed, but does not extend to the module hardware itself.
VW Audi Bosch MED9.1.1 ECU Clone Programming Service | FSI VR6 V8 V10