Check MyEngine Light
P0601Starts at: Get it checked this week

Engine computer memory check failed

The engine computer tests its own memory when the car starts. It found an error in what is stored there.

Engine computerFix: Best left to a shop

What usually causes it

  1. A failing engine computer
  2. Low voltage or a battery problem during a software update
  3. Software that needs an update (reflash) from a shop or dealer
  4. A bad ground or power wire

What to watch for

  • The car will not start or stalls
  • The car goes into a low power mode
  • Many warning lights at once

Can I keep driving?

We rate P0601 as Get it checked this week. It is not an emergency yet, but it can get worse. If the light starts flashing, stop driving soon.

Quick answers about P0601

What does P0601 mean?

Engine computer memory check failed. The engine computer tests its own memory when the car starts. It found an error in what is stored there.

Can I keep driving with P0601?

We rate P0601 as Get it checked this week. It is not an emergency yet, but it can get worse. If the light starts flashing, stop driving soon.

What usually causes P0601?

The most common causes, in order: A failing engine computer; Low voltage or a battery problem during a software update; Software that needs an update (reflash) from a shop or dealer; A bad ground or power wire.

Estimates only. A mechanic should confirm. The same code can mean slightly different things on different cars; the app explains it for your exact year, make, model and mileage.