Skip to main content
+48 888 638 546
sale@ecusale.com

These products will be shipped today if you order within:

English €
Open search engine
Search
Close search engine Clear Search
Wishlist
Products in the cart: 0. See details

Your cart is empty
  • ECU Engine VW 0261S08055 03C906026AB
  • ECU Engine VW 0261S08055 03C906026AB
Go to Product feedback

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 €323.65

Shipping costs are not included in the price.

Availability:
available
Shipping from €41.61 - UPS express delivery around world (Afghanistan)

express delivery 3-6 days
Shipping time: 48 hours

💳 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.

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.

 

Go to full description

Information

  • CAR MODEL VW AUDI SEAT SKODA
  • ENGINE 1.4
  • OEM NUMBER 0261S08055
  • MANUFACTURER PART NUMBER 03C906026AB MED17.5.5
  • PLUG AND PLAY IMMO OFF
  • WARRANTY 6 MONTH
  • PRODUCT CONDITION Second hand product
  • PAYMENT: Credit Card , Bank Transfer , PayPal
  • EXPRESS DELIVERY – in EU Countries: European Union 2-3 working days
  • INTERNATIONAL DELIVERY – Outside EU Countries: 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.

Reviews

Number of ratings: 0
Rate and review

Related Products

      Blog about ECU Engine Controllers and Automotive Electronics
      Go to the Blog

      • SID208 VIRGIN Plug & Play ECU – First Installation and Start-Up Guide

        Basic Information 19-07-2026

        How the SID208 VIRGIN ECU Works and Pairs with Your Vehicle

        Have you purchased a Continental SID208 engine control unit for a Peugeot Boxer or Citroën Jumper 2.2 HDi? Learn how to prepare your vehicle correctly for the first installation, start-up and automatic ECU pairing process.

        • how the SID208 VIRGIN Plug & Play ECU works,
        • how the engine control unit retrieves the vehicle configuration from the BCM/BSI module,
        • why a working vehicle key and a fully charged battery are essential,
        • what to check if the engine does not start after installing the replacement ECU,
        • how to protect the Continental SID208 ECU from water and moisture damage.

        Read the installation guide before fitting the ECU to avoid common problems during the first start-up and automatic vehicle configuration process.

        Read more
        EcuSale 0

      • Renault 3.0 dCi ECU 0281013806 Water Damage – Common Symptoms, Causes and Replacement Options

        ECU Diagnostics and Repair 15-07-2026

        Water-Damaged Bosch ECU 0281013806 / 8200689519 – What Should You Check?

        Water ingress is a common cause of failure in the Bosch engine ECU 0281013806 / 8200689519 fitted to selected Renault Master, Renault Mascott, Opel Movano and Nissan Interstar 3.0 dCi or 3.0 CDTI models. This guide explains how moisture can enter the engine control unit, which warning signs may indicate ECU damage and what should be inspected before installing a replacement module.

        We also look at the benefits of a new Plug & Play ECU that is supplied ready for installation without complex vehicle programming. You will also learn how an ECU performance upgrade delivering approximately 15% more power can improve torque response and everyday drivability in a commercial vehicle. Read the guide to identify the fault more accurately, reduce the risk of further water damage and choose the correct replacement ECU for your vehicle.

        Read more
        EcuSale 0

        Automotive Electronics Manufacturers

        ECU Engine Controllers, ABS Pumps, BCM Modules and automotive electronics.

        Bosch - ECU Engine Controllers and automotive electronics Magneti Marelli - ECU Engine Controllers and BCM Modules Delphi - ECU Engine Controllers and automotive electronics Continental - SID and PCR ECU Engine Controllers Visteon - ECU Engine Controllers for Ducato Boxer Jumper ATE - ABS Pumps and ABS Modules FPT - Multijet and JTD ECU Engine Controllers Siemens - Engine and Transmission Control Units FoMoCo - Ford ECU Engine Controllers

        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.

        Manufacturers of ECU Engine Controllers and Automotive Electronics

        ECU Engine Controllers, ABS Pumps, BCM Modules, BSI Modules, Body Computers, Transmission Control Units and automotive electronics from the most popular manufacturers available at ECUSALE.