What are the symptoms of a faulty car ECU?
1 Answers
When the car ECU fails, the symptoms include the engine warning light turning on and then misfiring. Here is some relevant information about the ECU: 1. Working Principle: The car ECU is an electronic device that automatically processes input signals from various sensors according to a predetermined program and then outputs signals to actuators to control the operation of the car. 2. Causes of ECU Damage: The vehicle being soaked in water can cause corrosion on the ECU, leading to broken or short-circuited component pins or damaged components. Additionally, during vehicle charging, issues such as the charger voltage being set too high, reversed polarity, or the battery terminals becoming loose while the starter motor or engine is running can cause the alternator to directly power the ECU, resulting in the burning out of high-power voltage regulator diodes and other components.