How To Diagnose A Failing Engine Control Module/Electronic Control Unit
A failed ECU will stop your car from working. If you suspect your Electronic Control Module (ECU) – also known as the ECM (Engine Control Module) – is failing, there are several ways to diagnose it before that happens.
Avoid getting stuck by the side of the road by learning how to diagnose and troubleshoot a failing ECU.
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The Electronic Control Unit (ECU, aka Engine Control Module or ECM) manages just about every aspect of your engine. You are most likely reading this because your ECU is either faulty or has failed completely. And as you might have already found out, a broken ECU can leave you stranded by the roadside.




















