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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 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...

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I have been using ECU testing for many years and have always had a good honest service, brilliant pick up and delivery and been kept fully informed of the testing and repair process. I would fully recommend their services.

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I highly recommend ECUTesting. Really pleased with the service they gave me. A fantastic service, great communications and super fast service.

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We were delighted by the whole experience. From the initial chat line to sending the part for analysis, the tracking of progress and the despatch of the part back to the garage to get the Land Rover back on the road. Excellent! Would recommend you to anyone in a heartbeat - true customer service at its best - Thank you