Severity: Fix right away. Driving risks expensive damage or a breakdown.
The computer is getting no usable signal from the transmission fluid pressure sensor.
Check the fluid level, inspect the wiring, and test the sensor.
Without pressure readings the transmission cannot protect itself. Get it checked right away.
Avoid driving until it is checked — towing is the safer choice. Without pressure readings the transmission cannot protect itself. Get it checked right away.
The most common causes are: Failed pressure sensor; Damaged wiring or connector; Low transmission fluid; Failing transmission pump. A scan tool and a visual check of the parts above is where a technician starts.
Check the fluid level, inspect the wiring, and test the sensor.
