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Engine Control Units (ECUs) – Car Engine Computers

Blog about ECU Engine Controllers and Automotive Electronics
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AdBlue Fault or SCR Problem – NOx Errors, No-Start Countdown & Solutions

ECU Diagnostics and Repair 19-08-2026

AdBlue, SCR or NOx Problem?

Is your vehicle counting down the remaining miles or kilometres until the engine can no longer be restarted, showing an AdBlue warning after refill, or reporting a NOx sensor fault?

In our guide, we explain the most common AdBlue problems, typical SCR and NOx faults, supported ECU types and available service options for vehicles such as Fiat Ducato, Peugeot Boxer, Citroën Jumper / Relay, Iveco Daily, VW T6, BMW and many others.

You can also find out how AdBlue OFF at our workshop, sending your own ECU to us, or purchasing a prepared replacement ECU works.

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EcuSale 0
BMW ECU Contaminated with Diesel Fuel? 2.0 Diesel ECU Repair

ECU Diagnostics and Repair 02-08-2026
BMW 2.0 Diesel ECU Contaminated with Fuel – What Should You Do?

Starting problems, no communication with the ECU or diesel fuel visible inside its connector may indicate an electronic fault in the BMW engine control unit.

In this guide, we explain:
- why diesel fuel can enter the engine ECU,
- the most common symptoms and fault codes,
- which components should be checked or replaced before refitting a repaired ECU,
- how ECU repair, cloning and programming are carried out,
- the differences between ECUs for vehicles with and without AdBlue,
- which tested BMW engine ECUs are available for sale.
Read the full guide to learn how to prevent a repaired or replacement ECU from being contaminated and damaged again.
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ECUSale - Technical Team 0

Automotive Electronics Manufacturers

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

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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Engine Control Units (ECUs) – Car Engine Computers

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0281012702 P56044189AA RENOVATED ECU ENGINE CONTROLLER 189AJ JEEP 3.0

0281012772 4L0907401 Audi Q7 3.0 TDI Ecu Engine controller IMMO OFF Plug & Play

0281012773 7L0907401B ECU Engine Controller VW Touareg 3.0 TDI IMMO OFF Plug & Play

0281012919 4L0907401 IMMO OFF ECU ENGINE CONTROLLER AUDI Q7 3.0 TDI TESTED

0281012970 39114-27335 IMMO OFF ECU ENGINE CONTROLLER KIA SPORTAGE 2.0 CRDi 3911427335

0281012981 9663476380 IMMO OFF ECU ENGINE CONTROLLER EDC16C34 PEUGEOT CITROEN 1.4 1.6

0281012995 7802137 ECU ENGINE CONTROLLER BMW 5 E60 E61 X5 E70 X6 E71 - 3.0D DDE7802137

0281013013 4L0910409 Ecu Engine Controller AUDI Q7 4.2 FSI Original OEM

0281013018 8200635663 VIRGIN Plug & Play ECU Engine Controller Movano Vivaro Trafic Master 2.5

0281013072 39116-27485 IMMO OFF ECU ENGINE CONTROLLER KIA CARENS 3911627485

0281013298 4L0910401F IMMO OFF ECU ENGINE CONTROLLER AUDI Q7 3.0 TDI CONNECT & WORKS

0281013320 4L0907401 Audi Q7 3.0 TDI Engine ECU IMMO OFF Plug & Play

0281013360 P56044189AK remanufactured engine ECU Jeep 3.0 CRD Virgin

0281013361 P05094328AG RENOVATED ECU ENGINE CONTROLLER 328AG JEEP 3.0

0281013362 P05094329AF RENOVATED ECU ENGINE CONTROLLER 329AF JEEP 3.0

0281013363 8200635663 VIRGIN Plug & Play ECU Engine Controller for Renault Master 2.5 dCi

0281013364 8200635663 VIRGIN Ecu engine controller RENAULT MASTER 2.5 - Plug & Play

0281013402 39106-2A715 IMMO OFF ECU ENGINE CONTROLLER HYUNDAI I30 391062A715

0281013407 DG ECU ENGINE CONTROLLER Honda Civic 2.2 37820R06E15 37820-R06-E15 TESTED

0281013424 39113-27345 IMMO OFF ECU ENGINE CONTROLLER KIA SPORTAGE 2.0 3911327345

Ecu Controller SID208

Ecu Controller Audi Q7

Ecu Controller 1.3 CDTI Corsa

Ecu Controller Ford DCM3.5

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

AdBlue Fault or SCR Problem – NOx Errors, No-Start Countdown & Solutions

AdBlue, SCR or NOx Problem?

BMW ECU Contaminated with Diesel Fuel? 2.0 Diesel ECU Repair

BMW 2.0 Diesel ECU Contaminated with Fuel – What Should You Do?