P0845 transmission fluid pressure sensor B location

If you're trying to track down the p0845 transmission fluid pressure sensor/switch b circuit location, you're likely dealing with a car that's acting like it forgot how to shift. It's a frustrating spot to be in, especially when your dashboard is lit up like a Christmas tree and the transmission is sticking in one gear or jerking every time you hit the gas. Finding the sensor is the first step toward getting things back to normal, but it's not always as simple as looking under the hood. ...

February 27, 2026 · 6 min · Heredia Dedonato