How do you reset the ECU on a Prius?

How do you reset the ECU on a Prius?

Procedure:

  1. Disconnect battery cables, first negative, then positive.
  2. Cover and protect the battery posts!
  3. Turn ignition to position II.
  4. Connect both battery cables (“SHORT”) for at least 10 minutes.
  5. Wait 10 minutes – then ignition off, key out.
  6. Reconnect battery positive, then negative.
  7. OBC says “PPPP”, reset time.

What causes a Toyota Prius not to start?

The most common reasons a Toyota Prius won’t start are a dead battery, an alternator problem, or failed starter.

What does it mean when my car says maintenance required soon?

The purpose of the maintenance required light is to encourage drivers to take their vehicle in for regular scheduled maintenance, such as oil changes, spark plugs, new tires, etc. Normally, automotive specialists will reset the maintenance required light when servicing your vehicle.

What does an ECU reset do?

“Resetting the ECU” is the process of clearing all the long term memory from the ECU’s memory. These variables trim idle speed, fuel, spark, and more. The ECU will also store trouble codes for diagnostic capability.

How do you reset the VSC light on a Prius?

VSC Light Easy Fix

  1. Make sure you are completely stopped. Put the car in park if you can.
  2. Press and hold the VSC button for a few seconds.
  3. The TRAC OFF and VSC OFF indicator light will come on. Both systems are now off.
  4. Press the VSC button again. Both lights will turn off and the systems are now reengaged.

What is a red triangle with an exclamation mark in it?

The triangle with an exclamation mark is a warning message. It means that the admin password for the phone is set to the default password.

What does a exclamation mark in a triangle mean?

recovery mode
Your phone may display an exclamation mark in a triangle on a black screen. This screen is called recovery mode, and is usually accessed from the bootloader menu on an Android device. The most common cause of issues with recovery mode is when the device has been rooted; or having installed a custom ROM.

Why is my maintenance required light on when I just got an oil change?

Secondly, resetting the maintenance required light after you have changed the oil restarts the counter. As a result, you can drive safely on roads and after 5,000 miles, this light will automatically remind you it’s time for a new oil change, so you don’t have to count the miles manually.