How do I start my car with a new ECU?

How do I start my car with a new ECU?

2 Answers

  1. Disconnect the battery and let the car sit for 15 minutes.
  2. Plug the new ECU in, reconnect the battery and turn the key to “accessory” or “on”, whatever turns all your warning lights on.
  3. Let the car sit like this for 5 minutes with the engine off and the Check Engine Light on.

How long does it take to fit an ECU?

You can usually find the exact location of your car’s computer module in the owner’s manual and from there you basically unplug the old and plug in the new. If you take your car into a dealer to replace the ECM, it will usually take about an hour or two.

Why does my car not start with a new computer?

I put a new computer box in the car now it won’t start the old computer box was causing problems so I changed it and had a new one shipped and put it in and now and nothing’s happening won’t click current nothing Batteries Not Dead power comes on just won’t start help please My car has 140000 miles. My car has an automatic transmission. Hi there.

Why do I need a computer in my Chevy Silverado?

The computers in the car are also known as ECUs or electronic control units. The features of the automotive networks are controlling the engine or transmission, rolling up windows, unlocking doors, etc. So, to have a smooth working of these functions, you need an automotive computer in your Chevy Silverado.

What to do when your computer won’t start?

Check the battery cables to see if they are tight and clean. Check the wire connections to the starter solenoid on the starter and make sure that they are tight and clean. If you need further assistance with the no start situation after replacing the computer, then seek out a professional, such as one from Your Mechanic, to help you.

What should I do if my car computer says something is wrong?

When any of these issues arise, the car computer should report an error code that determines the source of the problem. Consult your trusted mechanic to read these error codes and to eliminate other potential causes of an illuminated check engine light.