Sorry for the delay. I was doing my normal job so I just saw this but I imagine some of the other guys are on vacation.
The speedometer on this vehicle is run from the PCM. The PCM sends the signal directly to the speedometer. The PCM gets the vehicle speed from the output speed sensor.
I attached all the testing needed for this. The first is the testing for the cluster and the next is the testing for the OSS.
Let us know what you find with this testing and we can go from there. Thanks
Images (Click to enlarge)
Tuesday, June 30th, 2020 AT 3:48 PM