How do I reset my ECU scanner?

Plug the scan tool’s data cable into the Maxima’s diagnostic data port and power on the scan tool. Wait for the scan tool to boot up. Select “ECU” from the tool’s main menu, then choose “Codes.” Select “Clear all current and stored DTCs.” DTC is an acronym for “diagnostic trouble code.”

Is there a problem with my Chevy Malibu?

Problem Description: When I turn the car over to start, I get nothing. All the guages on the dash and all go off, but there’s no crank, no sound, nothing. When I turn back from start to on, all the guages, radio, etc power back on. All the electronics turn on and get good power in the on position lights, radio, windows, etc.

What are the signs of a failing ECM?

Common signs of a failing PCM/ECM/ECU include the Check Engine Light coming on, engine performance issues, and the car not starting. 1. Check Engine Light Turns On 2. Engine Stalling or Misfiring 3. Engine Performance Issues 4. Car Not Starting

Can a bad ECM cause a car not to start?

4. Car Not Starting. A bad ECM may lead to a vehicle that won’t or is difficult to start. If the ECM fails completely, it will leave the vehicle without engine management control, and will not start or run as a result.

What causes no crank and u0100 lost communication with ECM?

All the trouble was caused by a mouse chewing through some wires under the battery and fuse box. I was just going to say to check the fuse box under the hood. Mine has rattled itself loose twice. Bolted it back down after inspecting for damage and everything went back to normal.

How does the engine control module ( ECM ) work?

The ECM takes the information from the engine’s various sensors, and uses that information to calculate and tune engine spark and fuel for maximum power and efficiency. The ECM plays a crucial role in newer vehicles, where many (if not all) of the essential functions of the car are controlled by the ECM.