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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 guages, 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 event prevent the vehicle engaging gears...

Rating 5
Great service and swift turn around 5/5

Excellent service. Good communication with regular text and email updates on progress to keep you informed. Quick turn around with perfect repair. Well packaged when returned to us. We have used ECU Testing previously and their service is consistently good.

ECUTESTING 1 dealer 0 5/5

Abs unit faulty,new unit £1346+vat so off it went to these guys,all fixed saving £1142+vat A GREAT SAVING Thank you for a prompt service.

BMW abs pump 5/5

After reading the forums and staring down the barrel of a £2500 dealer replacement for parts alone, I found ECU testing's site. Packaged, sent & returned in 5 working days and the error codes (5df0, 5df1) cleared on startup. One happy owner.