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Hyundai Common ECU Faults

Hyundai Tucson ABS pump/module fault

This is a very common problem that causes the ABS light to come on and/or the ESP button to illuminate.

Non running engine or very poor running

The engine ECUs fitted to these models are notoriously prone to failure. The problem lies with the type of capacitors used in side the unit that are prone to damage from voltage spikes. Even the voltage spike from an starter motor has been known to blow one of these ECUs.