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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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0281017727 4L1910401J ECU ENGINE CONTROLLER AUDI Q7 3.0 TDI TESTED

0261208957 9663443080 IMMO OFF ECU ENGINE CONTROLLER MED17.4 PEUGEOT CITROEN 1.6

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

0281020146 504388754 NEW Ecu Engine controller Iveco Stralis Cursor

55353231 55353231S ECU ENGINE CONTROLLER OPEL VECTRA SIGNUM 2.0

03L906019EK 0281017698 ECU Engine controller VW Amarok 2.0 TDI IMMO OFF

03L906019FA 0281018004 ECU Engine controller VW Amarok 2.0 TDI IMMO OFF

03L906022SL 0281016392 ECU Engine controller VW Amarok 2.0 TDI IMMO OFF

03L906022SM 0281016812 ECU Engine controller VW Amarok 2.0 TDI IMMO OFF

03L906022CS 0281016049 ECU Engine controller VW Amarok 2.0 TDI IMMO OFF

0261S06206 4G0907115 ECU Engine controller Audi A6 C7 2.0 TFSI MED17.1 ECU

0261201708 7610081 ECU ENGINE CONTROLLER MINI COOPER S 1.6 1.4 DME7610081

28535917 9692274280 ECU ENGINE CONTROLLER 9809447780 DCM6.2C DUCATO JUMPER BOXER 2.0

0261S02085 8J0907115B IMMO OFF ECU ENGINE CONTROLLER AUDI TT

0281039009 5802858897 Engine Control Unit Iveco Daily 2.3 3.0 EDC17C69

0281015128 7809955 ECU ENGINE CONTROLLER BMW 5 E60 E61 X5 E70 X6 E71 - 3.0D DDE7809955

28632401 9693085580 ECU ENGINE CONTROLLER JUMPER BOXER 2.0 9809447780 DCM6.2C

0281016832 4L1910401H IMMO OFF ECU ENGINE CONTROLLER AUDI Q7 3.0 TDI PLUG & PLAY

0281018302 4L2910401C ECU Engine Controller Audi Q7 3.0 TDI Immo Off Plug & Play

8586536 0281031951 ECU ENGINE CONTROLLER BMW DDE8586536 – 01

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?