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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)

    0281012665 8E2910401J IMMO OFF ECU ENGINE CONTROLLER AUDI A4 S4 3.0 diesel

    Go to Product feedback

    0281012665 / 8E2910401J – IMMO OFF ECU Audi A4 3.0 TDI

    Professionally prepared Bosch ECU with immobiliser disabled (IMMO OFF) – ready for immediate installation and vehicle start-up.
    A working key is required for proper operation. If a faulty key is used, the hazard lights will flash for about 15 minutes.

    Go to full description
    English €
    with VAT without VAT
    Price €445.97

    Shipping costs are not included in the price.

    Shipping from €42.25 - UPS express delivery around world (Afghanistan)

    express delivery 3-6 days
    pcs
    Availability:
    available
    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.

    Information

    • CAR MODEL AUDI A4 S4
    • ENGINE 3.0
    • OEM: 0281012665 8E2910401J
    • PART NUMBER BOSCH - 0281012665 EDC16CP34
    • PLUG AND PLAY IMMO OFF - request
    • 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

    Original Bosch ECU 0281012665 (Audi/VW ref. 8E2910401J)

    The offered Bosch ECU 0281012665 with Audi/VW number 8E2910401J is designed for Audi A4 vehicles on the 8E/8H platform (Sedan, Avant and Cabrio versions) equipped with the 3.0 TDI V6 engine with a capacity of 2967 cm³. It was used in models produced between 2004–2008, depending on version and market.

    • Vehicle model: Audi A4 (B7, 8E/8H) – Sedan / Avant / Cabrio
    • Engine: 3.0 TDI V6, 2967 cm³ (diesel)
    • Years: 2004–2008 (to be confirmed by ECU numbers)
    • Status: IMMO OFF – immobiliser disabled, ready for installation without additional adaptation
    • Part numbers: Bosch 0 281 012 665 / Audi 8E2910401J (8E2 910 401 J)

    The ECU has been professionally prepared and is fully functional – it only needs to be installed in the vehicle.


    ! ATTENTION !

    For proper operation in IMMO OFF mode, a working key is required. If a faulty key is used, the hazard lights may flash for about 15 minutes.

    Frequently Asked Questions (Q&A) – ECU 0281012665 / 8E2910401J

    Question: Does this ECU fit every Audi A4 3.0 TDI?

    Answer: The ECU is intended for Audi A4 (B7, 8E/8H platform) models with the 3.0 TDI engine, produced between 2004–2008. Always confirm compatibility by Bosch and Audi part numbers.

    Question: Is the ECU ready for installation?

    Answer: Yes, the unit has been prepared in IMMO OFF mode. This means the immobiliser is disabled and the ECU requires no additional adaptation – simply install it. - A WORKING ORIGINAL KEY IS REQUIRED

    Question: Do I need to use the original key?

    Answer: Yes, a working key is required for correct operation. If a faulty key is used, the hazard lights will flash for about 15 minutes.

    Question: Can I install the ECU myself?

    Answer: Installation is straightforward – the ECU fits directly in place of the original unit. However, we recommend installation by a mechanic with automotive electronics experience.

    Question: Does the ECU come with a warranty?

    Answer: Yes, every ECU is tested and comes with a 12-month warranty.

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    Number of ratings: 0
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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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      • Audi Q7 3.0 TDI Water Damaged Engine ECU| 4L1910401D & 4L0910401G IMMO OFF Plug & Play

        Basic Information 22-05-2026

        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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      • Water-Damaged Bosch 0281013691 / 4L0910401K ECU – Common Audi Q7 3.0 TDI Engine Control Unit Failure

        Basic Information 13-05-2026

        Water Damage in Bosch 0281013691 / 4L0910401K ECU – A Common Audi Q7 3.0 TDI Failure

        The Bosch 0281013691 / 4L0910401K engine control unit fitted to the Audi Q7 3.0 TDI 4L is well known for being vulnerable to water damage. In many cases, the issue is caused by the ECU’s location beneath the windshield cowl, where moisture and rainwater can accumulate over time due to blocked drainage channels.

        Symptoms of a failing ECU may appear gradually or occur suddenly after heavy rain, a car wash, or long periods of vehicle inactivity. Common signs include no communication with the engine control module, intermittent or complete no-start conditions, CAN bus communication faults, and in severe cases, a completely dead ECU in the Audi Q7 3.0 TDI.

        Similar problems frequently affect other Bosch EDC16CP34 units installed in the same location, including 0281012772 / 4L0907401, 0281012919 / 4L0907401, 0281013689 / 4L0910401M, and 0281013690 / 4L0910401L. These engine control units share nearly identical hardware architecture, with the main differences relating to software versions and vehicle-specific configuration used across different Audi Q7 3.0 TDI variants.

        In this article, we explain the most common failure symptoms of the 0281013691 / 4L0910401K ECU, the typical causes of water intrusion, CAN communication issues, and a practical solution in the form of a ready-to-install IMMO OFF Plug & Play engine ECU that works without immobilizer programming or data cloning.

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