Severity: Fix right away. Driving risks expensive damage or a breakdown.
The engine computer's processor has failed a self-test, which usually means the computer itself is bad.
The computer usually needs replacement — this is a shop job.
The car may stall, run badly, or not start. This needs a specialist.
Avoid driving until it is checked — towing is the safer choice. The car may stall, run badly, or not start. This needs a specialist.
The most common causes are: Failing engine computer; Voltage spike; Water damage; Overheating computer. A scan tool and a visual check of the parts above is where a technician starts.
The computer usually needs replacement — this is a shop job.