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    03C906027BD 0261S07018 – Ecu engine controller VW / Seat / Skoda 1.4 TSI MED17.5.5 IMMO OFF Plug & Play
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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

    Manufacturer: BOSCH (go to products)

    03C906027BD 0261S07018 – Ecu engine controller VW / Seat / Skoda 1.4 TSI MED17.5.5 IMMO OFF Plug & Play

    Tested BOSCH engine control unit 0261S07018 VW 1.4 TSI MED17.5.5 – IMMO OFF no coding required

    03C906027BD / 0261S07018 is an original BOSCH MED17.5.5 engine control unit used in Volkswagen, Seat and Skoda vehicles with 1.4 TSI engines. The module has been fully tested and prepared in IMMO OFF version, which means Plug & Play – installation without programming.

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    with VAT without VAT
    Price €326.55

    Shipping costs are not included in the price.

    English €
    Shipping from €41.99 - UPS express delivery around world (Afghanistan)

    express delivery 3-6 days
    pcs
    Availability:
    available
    Shipping time: 48 hours
    with VAT without VAT
    Price €326.55

    Shipping costs are not included in the price.

    Shipping time: 48 hours
    Shipping from €41.99 - UPS express delivery around world (Afghanistan)

    express delivery 3-6 days
    Tap an option to see details

    💳 Secure Payments

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

    🚚 UPS Shipping Across Europe

    Delivery across Europe usually takes 1–3 business days.

    🌍 Worldwide UPS Shipping

    Worldwide delivery usually takes 5–7 business days.

    Tested BOSCH engine control unit 0261S07018 VW 1.4 TSI MED17.5.5 – IMMO OFF no coding required

    03C906027BD / 0261S07018 is an original BOSCH MED17.5.5 engine control unit used in Volkswagen, Seat and Skoda vehicles with 1.4 TSI engines. The module has been fully tested and prepared in IMMO OFF version, which means Plug & Play – installation without programming.

    Go to full description

    💳 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.

    Information

    • CAR MODEL VW / Seat / Skoda
    • ENGINE 1.4 TSI
    • OEM: 03C906027BD
    • PART NUMBER Bosch : 0261S07018
    • PLUG AND PLAY IMMO OFF
    • WARRANTY 6 MONTH
    • TESTED 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

    Engine control unit 03C906027BD 0261S07018 – VW Golf 1.4 TSI MED17.5.5 IMMO OFF Plug & Play

    The offered engine control unit 03C906027BD / 0261S07018 from BOSCH MED17.5.5 is an original module used in vehicles of the Volkswagen group with 1.4 TSI engines. Each unit is fully tested, checked on a diagnostic bench and prepared for operation.

    This model has been prepared in IMMO OFF = Plug & Play version, which means no immobilizer programming is required – simply connect the unit to start the vehicle.

     

    Compatibility – which vehicles is ECU 03C906027BD suitable for?

    The engine control unit 03C906027BD / 0261S07018 MED17.5.5 is used in selected VAG group models with 1.4 TSI engines. Most commonly found in:

    • Volkswagen Golf VI (2008–2013) – 1.4 TSI
    • Volkswagen Golf V (2006–2009) – 1.4 TSI
    • Volkswagen Jetta (2008–2015) – 1.4 TSI
    • Volkswagen Passat B6 / B7 – 1.4 TSI
    • Volkswagen Touran – 1.4 TSI
    • Seat Leon / Altea – 1.4 TSI
    • Skoda Octavia II / III – 1.4 TSI

    Engine codes (examples): CAXA, CAXC, CAVD, CAVB, CMBA

    The most important factor when choosing is matching by part number. If your unit has 03C906027BD or 0261S07018, compatibility is very high.

     

    FAQ – frequently asked questions

    Does ECU 03C906027BD fit VW Golf 1.4 TSI?

    Yes, if your unit number is 03C906027BD or the corresponding 0261S07018, it will be compatible with Volkswagen Golf 1.4 TSI.

    Does ECU 0261S07018 require programming after installation?

    No – the IMMO OFF version means the unit works without programming. Simply connect and start the vehicle.

    Which models use ECU MED17.5.5 03C906027BD?

    It is most commonly used in VW Golf, Jetta, Passat, Seat Leon and Skoda Octavia with 1.4 TSI engines.

    Are 03C906027BD and 0261S07018 the same ECU?

    Yes – these are different numbers for the same BOSCH MED17.5.5 engine control unit and can be used interchangeably.

    Will VW Golf 1.4 TSI IMMO OFF ECU solve immobilizer problems?

    Yes – the IMMO OFF version removes the immobilizer function, allowing the vehicle to start without restriction.

    Is it compatible with Skoda Octavia 1.4 TSI CAXA?

    Yes, if the part numbers match (03C906027BD / 0261S07018), the unit will be compatible.

    Is MED17.5.5 ECU suitable for Seat Leon 1.4 TSI?

    Yes – this ECU is also used in Seat Leon and Altea models with 1.4 TSI engines.

    Can I install the ECU without visiting a mechanic?

    Yes – Plug & Play installation means no coding or specialized equipment is required.

    Does ECU 0261S07018 work in Passat 1.4 TSI?

    Yes, provided the part numbers match, the unit will work correctly.

    Is this an original BOSCH ECU?

    Yes – we offer only original BOSCH units, tested and prepared for operation.

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    • ECU engine controller and ABS pump manufacturers – how to choose Bosch, Delphi, Continental, Magneti Marelli, Siemens, FoMoCo, Visteon and ATE

      Basic Information 02-07-2026

      Most popular automotive electronics brands – how to choose the right module?

      On the ECUSale blog, we have prepared a practical guide to the most popular automotive electronics manufacturers, such as Bosch, Delphi, Continental, Magneti Marelli, Siemens, FoMoCo, Visteon, ATE and FPT. We explain which engine ECU controllers, ABS pumps, BCM, BSI, BSM modules and gearbox controllers are commonly found under specific brands.

      You will also learn why the most important details when choosing a replacement part are the ECU part number, OEM number, HW/SW version and vehicle configuration, not only the module’s appearance or manufacturer brand. We also explain when cloning, a Virgin version, Plug & Play preparation or IMMO OFF may be required.

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    • Audi Q7 3.0 TDI Water Damaged Engine ECU| 4L1910401D & 4L0910401G IMMO OFF Plug & Play

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      Audi Q7 3.0 TDI won’t start after heavy rain? The engine ECU could be water damaged

      One of the most common failures in the Audi Q7 3.0 TDI is water damage affecting the Bosch EDC17CP04 engine ECU. This issue frequently impacts units 0281015868 and 0281014174, which are mounted beneath the windscreen scuttle panel, an area highly exposed to moisture and blocked drainage channels that can lead to corrosion inside the ECU.

      In this article, we explain the typical symptoms of a failed Audi Q7 3.0 TDI engine control unit, when ECU cloning is still possible, and why in many situations an IMMO OFF Plug & Play solution is the fastest and most reliable repair option.

      0281015868 & 0281014174 – common ECU failures in the Audi Q7 3.0 TDI

      Learn why engine ECUs such as 4L1910401D and 4L0910401G are especially vulnerable to water ingress, which fault codes usually appear during diagnostics, and how professional ECU repair or replacement is performed for the Audi Q7 3.0 TDI.

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      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.

      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.

      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.