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0261S04399 03C906022AL IMMO OFF ECU Engine controller VW AUDI SEAT

BOSCH

ECU ENGINE CONTROLLER 03C906022AL 0261S04399 IMMO OFF for VW Audi Seat

0261S04399 / 03C906022AL is a tested Bosch ECU ENGINE CONTROLLER compatible with selected Volkswagen, Audi and Seat vehicles. The module has been professionally prepared in IMMO OFF Plug&Play configuration, allowing installation without immobilizer programming after replacement.

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Fast delivery of ECU engine unit – within 1–2 working days
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Price €164.53
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Shipping from €42.31 - UPS express delivery around world (Afghanistan)

express delivery 3-6 days

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Information

  • CAR MODEL VW AUDI SEAT SKODA
  • OEM: 0261S04399
  • PART NUMBER 03C906022AL MED17.5.20
  • 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

description

VW Audi Seat Engine ECU IMMO OFF 0261S04399 03C906022AL – Plug & Play

0261S04399 / 03C906022AL is an original Bosch ECU ENGINE CONTROLLER used in selected VW, Audi and Seat vehicles equipped with gasoline TSI / TFSI engines. This module has been professionally prepared in IMMO OFF Plug&Play version, allowing installation without immobilizer programming after fitting.

The ECU is electronically tested, verified before shipment and ready for installation. Every unit is checked on professional diagnostic equipment to ensure stable communication and proper operation. For compatibility, always compare both Bosch and OEM part numbers before purchase.

Compatible vehicles – 0261S04399 / 03C906022AL

  • VW Golf VI 1.2 TSI
  • VW Golf VI 1.4 TSI
  • VW Touran 1.4 TSI
  • VW Caddy TSI
  • Audi A3 1.4 TFSI
  • Seat Leon 1.2 TSI
  • Seat Leon 1.4 TSI
  • Seat Altea
  • Seat Toledo

Supported engine codes

  • CAXA
  • CAXC
  • CBZA
  • CBZB
  • CAVA

Part numbers

  • 0261S04399
  • 03C906022AL
  • Bosch MED17 ECU

IMMO OFF Plug & Play solution

The immobilizer function has been professionally disabled inside the ECU software. In most compatible vehicles, installation is performed as Plug&Play without coding, online adaptation or immobilizer synchronization.

This solution is commonly used when the original ECU has internal electronic damage, immobilizer failure, no communication problem or water damage.

Typical symptoms of damaged ECU 03C906022AL

  • engine does not start,
  • immobilizer active warning,
  • no ECU communication via diagnostics,
  • engine stalls during driving,
  • random injection or ignition faults,
  • intermittent loss of power.

Why choose our ECU ENGINE CONTROLLER?

  • original Bosch ECU,
  • professionally tested electronics,
  • stable diagnostic communication,
  • Plug&Play IMMO OFF preparation,
  • warranty included,
  • fast shipping across Europe.

FAQ – ECU 0261S04399 03C906022AL

Does 0261S04399 fit VW Golf VI 1.4 TSI?

Yes, 0261S04399 is commonly installed in selected VW Golf VI 1.4 TSI models. Compatibility must always be confirmed by matching the exact Bosch and OEM numbers.


Is 03C906022AL Plug & Play?

Yes, this ECU is supplied in IMMO OFF Plug&Play configuration and usually does not require immobilizer programming after installation.


Can ECU 03C906022AL work in Audi A3 1.4 TFSI?

Yes, this ECU ENGINE CONTROLLER was used in selected Audi A3 TFSI vehicles with compatible engine configuration and matching part numbers.


Seat Leon 1.2 TSI – will Bosch 0261S04399 work?

The most important requirement is exact compatibility of both part numbers: 0261S04399 and 03C906022AL.


What are the symptoms of a faulty 03C906022AL ECU?

Typical symptoms include no engine start, immobilizer errors, loss of ECU communication, random stalling and ignition or injection related faults.


Do I need coding after installation?

In most cases no coding is required because the immobilizer has already been disabled in the ECU software.


Is this an original Bosch ECU?

Yes, this is an original Bosch engine ECU, not an aftermarket replacement.


What should I compare before ordering 0261S04399?

Please compare the complete Bosch number 0261S04399 and OEM number 03C906022AL from your original ECU.


Can a damaged ECU cause no communication?

Yes, internal electronic failure inside the Bosch MED17 ECU may cause complete loss of diagnostic communication.


Does IMMO OFF remove immobilizer problems permanently?

Yes, the immobilizer function is disabled directly in the ECU software, eliminating synchronization issues between ECU and immobilizer system.

Electronic Car Parts FAQ – ECUSALE

1. Are the electronic modules tested before shipping?

Yes. Every electronic module, including ECU ENGINE CONTROLLERS, ABS pumps, BSI, BCM, comfort modules, transmission controllers and other automotive electronics, is electronically tested before shipping. We verify communication, power supply and basic operation to ensure the product is working correctly before delivery. This allows you to receive a tested and ready-to-install unit.

2. Does the module require programming or coding after installation?

It depends on the product version and the type of module. We offer VIRGIN, IMMO OFF and Plug & Play solutions. Information about programming or coding requirements is always included in the product description. In many cases, installation is possible without additional coding, while some modules may require adaptation using diagnostic equipment.

3. How can I choose the correct module for my vehicle?

The most important step is comparing the part numbers from your original module. Please check the Bosch, Siemens, Magneti Marelli, Continental or OEM manufacturer numbers on the label. If you are unsure, you can send us a photo of your original module or your vehicle VIN number and we will help verify compatibility.

4. Are the products covered by warranty?

Yes. All electronic automotive modules sold in our store are covered by warranty. Every product is checked and prepared before shipping. If any problem occurs, we also provide technical support and product diagnostics assistance.

5. Which payment methods are available in your store?

We offer secure online payments through Stripe and PayPal. Customers can pay using credit or debit cards, Apple Pay, Google Pay, Klarna, online bank transfers and other secure payment methods. After placing an order, you will receive a secure online payment link.

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