Severity: Fix right away. Driving risks expensive damage or a breakdown.
The engine computer has no software loaded or the wrong software, which usually happens after a computer replacement that was never programmed.
The computer needs the correct software flashed by a dealer or a shop with programming tools.
The car may not start or run correctly until the computer is programmed.
Avoid driving until it is checked — towing is the safer choice. The car may not start or run correctly until the computer is programmed.
The most common causes are: New computer never programmed; Wrong software flashed; Failed programming attempt. A scan tool and a visual check of the parts above is where a technician starts.
The computer needs the correct software flashed by a dealer or a shop with programming tools.