Automotive ECU Test & Repair Services

Browse our ECU catalogue by selecting your vehicle below:


David Micklethwaite
David Micklethwaite
Absolutely fantastic service from Dan at ecu fix Ltd Audi a4 2017 abs fault c123efo Very quick turnaround and now perfect Thankyou dan great job
ian platt
ian platt
excellent service, speedy turnaround.
Jas Singh
Jas Singh
Service provided as described, advised on collection, delivery, and the whole repair process ... First class communication and service ... competitive prices and fast turnaround ... One happy customer!
Jack Hatfield
Jack Hatfield
I used this company recently, and, I found them to be extremely reliable. Excellent customer service and a fast turnaround. They and very knowledgeable and have an extensive understanding of the job. Would definitely recommend!!!
Karyn Fell
Karyn Fell
First class service! Very competitive price and speedy turnaround . Would highly recommend.
Steve O'Neill
Steve O'Neill
Me & Antony Harrison have just had a repair carried out by this company. Outstanding service, quick turn around. Highly recommend.

How it Works

Select an ECU from our catalogue and complete the checkout

We arrange courier collection of the ECU

We test and repair the ECU within 2-3 working days

The ECU is returned via courier and ready to fit

Don’t want to pay upfrount? Complete our booking form in the menu.

Commonly Failing ECUs

Fault C123EF0 in VW / Audi ESP9 ABS Pumps

Bosch ESP9 ABS pump fitted to varioues VW / Audi vehicles. Commonly failing with fault code C123EF0 (hydraulic brake booster limit value reached). Read More

Binding brakes caused by BMW Mk100 ABS Pumps

ATE ABS pump fitted to various BMW vehicles. Commonly suffers internal failures causing no fluid to brake calipers / binding brakes. Read More

Binding brakes caused by Vauxhall Bosch 8 ABS Pumps

Fitted to various Vauxhall vehicles, this Bosch ABS pump commonly fails internally causing missing wheel speed sensor readings and no fluid to brake calipers. Read More

Misfires caused by the BMW MSD80 Engine ECU

Internal hardware failure within the MSD80 engine ECU (fitted to various BMW vehicles) can cause vehicle misifres. Read More

No brake air pressure casued by the Haldex EB+ Gen3 Air Brake ECU

Internal failures within the Haldex HGV air brake system (EB+ Gen 3) can cause pressure sensor fault codes along with no air pressure on various ports. Read More

Misifres caused by the BMW MEVD17-25 Engine ECU

BMW engine ECU with common multiple cylinder misifire faults due to internal component breakdown. Read More

None start issues caused by the BMW CAS3 Immobiliser ECU

BMW CAS 3 ECU with internal component failure causing no engine starting and / or lack of CAS communication. Read More

Incorrect windows / light operation caused by the BMW FRM Body Control Module

BMW FRM II & FRM 3 body control modules commonly suffer from internal failure causing incorrect window / exterior lighting operation and no communications. Read More

01130 Fault Code in VW ABS Pumps

Internal component breakdown within the VW group Mk61 ABS pump can commonly cause fault code 01130 to appear. Read More

Don’t see your ECU listed?