find your part
common ecu faults by manufacturer
common faults by part type
ABS Pump Modules

ABS pumps, ABS modules and ABS ECU's, we test rebuild and supply most types of automotive ECU units, common faults cause the ABS or ESP light to remain on...

Throttle Bodies

A faulty throttle body can cause stalling cutting out and general rough running, we can test & repair most types of throttle bodies for most vehicles...


Dashboard instrument clusters are common to fail for all makes and models of vehicle, common symptoms include; incorrect reading gauges, LCD failure or complete loss of display...

Electric Power Steering

Electric power steering columns are now used in most vehicle applications, the new generation of electric steering column are prone to frequent failure...

Gearbox ECU's

Automatic transmission ECU's are used in all modern gearbox systems and can cause frequent problems causing the gearbox to default to limp mode or even prevent the vehicle engaging gears...

Turbo Actuators

Turbo actuators are used to control variable-geometry turbochargers (VGTs). Due to manufacturing defects & harsh operating conditions these turbo actuators are prone to failure...

Rating 4.88
Extremely good service 5/5

Had a problem with my abs pump going faulty and not working, then causing an array of warning lights to pop up on my dash, which is a common problem for the E92. Went from taking the pump off, to then having it rebuilt and sent back to me in less than a week! Cant thank these guys at ECU testing enough for how quick and painless the whole process was! Also I fitted it back to the car with no need for any coding, it just worked! Extremely happy!

Repair 5/5

First class professional service from minute of uplift till return of pump unit complete with lifetime guarantee. Could not ask for better. Would definitely recommend.

Abs light fault 4/5

Can’t fault the service and the efficiency of the team at ECU testing.Kept me informed at all times.There was an issue however.On return of the unit and fitting onto the vehicle found bleeding impossible... hired vw tech with VCDS and pressure bleeder but with no joy. Contacted ECU testing who advised return it to them ..They tested NFF and returned to me on refit system bled with old school pumping the pedal ... very odd ? But up and running now