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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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0281013526 P05149089AD RENOVATED ECU ENGINE CONTROLLER 089AD JEEP 3.0

0281013527 P05149101AA RENOVATED ECU ENGINE CONTROLLER 101AA JEEP 3.0

0281013569 39103-2A710 IMMO OFF ECU ENGINE CONTROLLER KIA CEED 391032A710

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

0281013597 7803371 ECU ENGINE CONTROLLER BMW 5 E60 E61 X5 E70 X6 E71 - 3.0D DDE7803371

0281013611 4F0907401C IMMO OFF ECU Engine controller Audi A6 C6 / S6 3.0 TDI Plug & Play

0281013633 UR ECU ENGINE CONTROLLER Honda CR-V 2.2 37820R06E15 37820-R06-E15 TESTED

0281013640 P05184180AA ECU engine Jeep 3.0 CRD Virgin Reset

0281013641 P05187194AA RENOVATED ECU ENGINE CONTROLLER 194AA JEEP 3.0

0281013642 P05187196AB RENOVATED ECU ENGINE CONTROLLER 196AB JEEP 3.0

0281013643 P05187324AB 324AB ECU engine controller Virgin Jeep 3.0 CRD renovated

0281013646 P05187330AA RENOVATED ECU Engine controller 330AA JEEP 3.0

0281013647 P05187332AA RENOVATED ECU ENGINE CONTROLLER 332AA JEEP 3.0

0281013647 P05187332AB RENOVATED ECU ENGINE CONTROLLER 332AB JEEP 3.0

0281013648 P05187352AA RENOVATED ECU ENGINE CONTROLLER 352AA JEEP 3.0

0281013688 4L0910401N ECU Engine Controller IMMO OFF Audi Q7 3.0 TDI Plug & Play

0281013689 4L0910401M ECU engine controller Audi Q7 3.0 TDI IMMO OFF Plug & Play

0281013774 P05187296AD renovated ECU engine control unit Virgin Jeep 3.0 CRD 296AD

0281013775 P05187298AD RENOVATED ECU ENGINE CONTROLLER 298AD JEEP 3.0

0281013806 8200689519 – Renault Mascott 3.0 dCi Engine ECU Plug & Play

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?