Severity: Fix right away. Driving risks expensive damage or a breakdown.
The sensor that measures transmission fluid pressure is reporting a value the computer does not expect, which can mean the sensor is bad or the pressure really is wrong.
Check the fluid level and condition, test the sensor, and check the filter.
Wrong pressure can damage the transmission. Check the fluid level and get it to a shop.
Avoid driving until it is checked — towing is the safer choice. Wrong pressure can damage the transmission. Check the fluid level and get it to a shop.
The most common causes are: Failed pressure sensor; Low transmission fluid; Clogged filter; Failing transmission pump; Damaged wiring. A scan tool and a visual check of the parts above is where a technician starts.
Check the fluid level and condition, test the sensor, and check the filter.