What usually causes it
- A failed engine computer
- Low voltage from a weak battery or a bad ground
- Water or rust in the computer or its plug
- Software that needs an update (reflash)
P0606Starts at: Get it checked this week
Engine computer processor problem
The engine computer tested its own processor, the part that does its thinking, and found a fault.
Check this first
Check that the battery cables are tight and clean.
What to watch for
- The car stalls or will not start
- The car goes into a low power mode
- Many warning lights at once
Can I keep driving?
We rate P0606 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 P0606
What does P0606 mean?
Engine computer processor problem. The engine computer tested its own processor, the part that does its thinking, and found a fault.
Can I keep driving with P0606?
We rate P0606 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 P0606?
The most common causes, in order: A failed engine computer; Low voltage from a weak battery or a bad ground; Water or rust in the computer or its plug; Software that needs an update (reflash).
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.