Severity: Fix right away. Driving risks expensive damage or a breakdown.
The computer found a fault in the relay that powers the engine computer itself, so the computer may lose power and the engine may stall or not start.
Check the power relay and fuse, then the wiring to the computer.
The engine may stall without warning. Get it fixed before relying on the car.
Avoid driving until it is checked — towing is the safer choice. The engine may stall without warning. Get it fixed before relying on the car.
The most common causes are: Failed power relay; Damaged wiring; Blown fuse; Corroded connector. A scan tool and a visual check of the parts above is where a technician starts.
Check the power relay and fuse, then the wiring to the computer.
