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Product safety

Manufacturer

Robert Bosch GmbH

Robert-Bosch-Platz 1

70839 Gerlingen, Germany

+49 711 400 40990 contact@bosch.com Report a product safety issue

Responsible person in the EU

AUTO-ELEKTRONIKA DAMIAN SOSNOWSKI

Lelowska 20

42-235 Biała Wielka, Poland

+48888638546 sale@ecusale.com Report a product safety issue

Importer

AUTO-ELEKTRONIKA DAMIAN SOSNOWSKI

20 Lelowska

42-235 Biała Wielka, Poland

+48888638546 sale@ecusale.com

0261S08055 03C906026AB ECU Engine controller VW Audi Seat – IMMO OFF Plug & Play

Manufacturer: BOSCH (go to products)
English
with VAT without VAT
Price €324.41

Shipping costs are not included in the price.

Availability:
available
Shipping from €41.71 - UPS express delivery around world (Afghanistan)

express delivery 3-6 days

Shipping time: 48 hours

Engine controller IMMO OFF for VW, Audi and Seat Bosch 0261S08055 / 03C906026AB

The original engine controller 0261S08055 / 03C906026AB Bosch has been prepared in the IMMO OFF version, thanks to which it operates in Plug & Play mode – after connection it is ready to work and does not require immobilizer programming or key coding.

 

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💳 Secure Payments

Stripe, PayPal, Google Pay, Apple Pay, BLIK, and all major credit and debit cards.

🚚 UPS Shipping Across Europe

Delivery within the European Union typically takes 1–3 business days.

🌍 Worldwide UPS Shipping

Worldwide delivery usually takes 4–7 business days.

Technical specifications

  • Vehicle Make and Model VW AUDI SEAT SKODA
  • Engine type 1.4
  • OEM Part Number 0261S08055
  • Manufacturer Part Number 03C906026AB MED17.5.5
  • PLUG AND PLAY IMMO OFF
  • Condition Second hand product
  • Warranty 6 MONTH
  • Payment Methods Credit Card , Bank Transfer , PayPal
  • Express Delivery within the EU European Union 2-3 working days
  • International Delivery Outside the EU Worldwide 4-7 working days

0261S08055 / 03C906026AB – ECU ENGINE CONTROLLER VW Audi Seat IMMO OFF Plug & Play version

The offered ECU ENGINE CONTROLLER 0261S08055 / 03C906026AB is an original control module used in vehicles of the Volkswagen Group – including models from VW, Audi and Seat.

The module for sale has been fully tested on a diagnostic test bench and prepared in the IMMO OFF version. This means the controller is ready for Plug & Play installation – it does not require immobiliser programming or key adaptation. After connecting it to the vehicle wiring system, the unit can operate without additional coding.

Every engine controller undergoes a thorough technical inspection before shipping. Diagnostic communication, correct operation of control systems and stability during engine simulation tests are verified. Thanks to this process, the customer receives a product that is fully functional and ready for installation.

Controller compatibility – part numbers

The controller should be selected only based on the part number. The most important identifiers of this module are:

  • 0261S08055
  • 03C906026AB

If the number on your controller is identical, it confirms full electrical and software compatibility.

Application of controller 03C906026AB / 0261S08055

The module 03C906026AB is used in selected vehicles of the Volkswagen Audi Group equipped with petrol TSI engines.

Most common applications:

  • Volkswagen Golf V / Golf VI – 1.4 TSI engines
  • Volkswagen Jetta – 1.4 TSI
  • Volkswagen Passat B6 – 1.4 TSI
  • Audi A3 8P – 1.4 TFSI
  • Seat Leon – 1.4 TSI
  • Seat Altea – 1.4 TSI
  • Seat Toledo – 1.4 TSI
  • Skoda Octavia II – 1.4 TSI

Approximate vehicle production years: around 2006 – 2012.

Example engine codes working with this controller may include 1.4 TSI / TFSI engines depending on the vehicle version and market.

Most common symptoms of engine controller failure

  • engine cannot be started
  • problems with ECU diagnostic communication
  • immobiliser errors
  • irregular engine operation
  • sensor errors despite functional sensors
  • engine stalling while driving

In such cases, replacing the module with a working ECU ENGINE CONTROLLER 03C906026AB or 0261S08055 is usually the most effective solution.

FAQ – frequently asked questions


Does ECU ENGINE CONTROLLER 0261S08055 fit VW Golf 1.4 TSI?

If the number of your controller is 0261S08055 or 03C906026AB, the module will be compatible with the vehicle. Always compare the part numbers before purchase.


Does ECU 03C906026AB in Audi A3 1.4 TFSI require programming?

No. The offered controller is prepared in the IMMO OFF version, which means it works in Plug & Play mode and does not require immobiliser programming.


Does controller 0261S08055 work in Seat Leon 1.4 TSI?

Yes, provided that the part number matches. The key identification is 0261S08055 or 03C906026AB on the original module.


Can ECU 03C906026AB be installed without coding in Skoda Octavia 1.4 TSI?

Yes, because the offered controller is prepared in the IMMO OFF Plug & Play version. After connection, the module is ready to operate.


Does ECU ENGINE CONTROLLER 0261S08055 fit VW Passat 1.4 TSI?

If the part number in your vehicle is 0261S08055 or 03C906026AB, the controller will be compatible.


Can ECU 03C906026AB solve an immobiliser problem in Audi or Volkswagen?

Yes. The IMMO OFF version eliminates the immobiliser problem and allows the vehicle to start without key adaptation.

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    FAQ – Frequently Asked Questions

    1. Are the products tested before shipping?

    Yes, every ECU engine controller, BSI module, BCM module, ABS module, transmission control unit, and other automotive electronic module is electronically tested before shipment. Each unit is checked for proper communication and correct operation to ensure you receive a fully tested product ready for installation.

    2. Does the ECU engine controller require programming or coding after installation?

    Whether programming or coding is required depends on the version of the product. We offer VIRGIN, IMMO OFF, and Plug & Play ECU engine controllers. Information about any required programming or coding is always clearly stated in the product description. In many cases, the unit can be installed and used without any additional coding or adaptation.

    3. How do I choose the correct part for my vehicle?

    The most important step is to compare the part numbers found on your original unit. Pay special attention to the Bosch, Siemens, Magneti Marelli, Continental, or vehicle manufacturer's OEM part number. If you are unsure, simply send us a photo of your existing module or provide your vehicle's VIN, and our specialists will help you identify the correct part.

    4. Are the products covered by a warranty?

    Yes, all ECU engine controllers, ABS modules, BCM modules, BSI modules, transmission control units, and other automotive electronic modules offered in our store are covered by a warranty. Every product is carefully tested and prepared before shipment. If you experience any issues, our technical support team is available to assist with diagnostics and help resolve the problem quickly and efficiently.

    5. What payment methods are available in the store?

    We offer secure online payments processed through Stripe and PayPal. Customers can pay using a credit or debit card, Apple Pay, Google Pay, Klarna, online banking payments, or a traditional bank transfer. After placing an order, you will receive a secure payment link to complete your purchase safely and conveniently.

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