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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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IAW6LP2.01 9655334680 VIRGIN ECU ENGINE CONTROLLER 9647498180 IAW 6LP2.01 PEUGEOT CITROEN

IAW6LP2.02 9654722580 VIRGIN ECU ENGINE CONTROLLER IAW 6LP2.02 PEUGEOT CITROEN

9654210380 VIRGIN Plug & Play ECU engine controller IAW6LP1.39 Peugeot Citroën

IAW6LP2.03 9654722680 VIRGIN ECU ENGINE CONTROLLER IAW 6LP2.03 PEUGEOT CITROEN

IAW6LPC.101 9665347580 VIRGIN ECU ENGINE CONTROLLER 6LPC.101 PEUGEOT CITROEN

46820323 IAW 59F.M3 HW023 Fiat Punto II 1.2 ECU engine control unit Virgin Plug & Play

0281015322 8200518648 Engine ECU Suzuki Grand Vitara 1.9 DDiS

0281010300 DDE 7788053 NNN100720 ECU engine control unit Land Rover Freelander 2.0 TD4 IMMO OFF

0281011959 IMMO OFF ECU ENGINE CONTROLLER 3D0907401 VW Phaeton

0261S04348 03C906027G IMMO OFF ECU ENGINE CONTROLLER VW GOLF VI

0261S06719 03C906027CT IMMO OFF ECU ENGINE CONTROLLER VW GOLF VI

0261S06083 03C906016AM IMMO OFF ECU ENGINE CONTROLLER VW GOLF VI

0261S05812 03C906027BA ECU engine control unit VW IMMO OFF Plug & Play

0261S05808 03C906016AJ IMMO OFF ECU ENGINE CONTROLLER VW GOLF V

0261201538 03C906032C IMMO OFF ECU ENGINE CONTROLLER VW GOLF V

0281016571 39113-2A560 IMMO OFF ECU ENGINE CONTROLLER KIA CEED 391132A560

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

0281017434 39113-2A461 IMMO OFF ECU ENGINE CONTROLLER HYUNDAI I30 391132A461

0281013584 39113-27825 IMMO OFF ECU ENGINE CONTROLLER HYUNDAI SANTA FE 2.2

9675916480 V34.1 V29009427A IMMO OFF ECU ENGINE CONTROLLER PEUGEOT CITROEN

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?