A customer's car Toyota Tundra ABS serivice light on and the speedometer didn't work.
What to do?
Let give a troubleshooting via Launch X431 V Pro.
1.Connecting Toyota Tundra.
2.ECM fault code and data stream
3.Chassis fault code and data stream.
4.Make sure car issue,fixing car/replace parts.
Click here to view full troubleshooting video.
You can search google to get Circuit diagram or more data if you are looking for solution to fix car.