2001 American Tradition 8.3L Cummins 3000 MH Allison Transmission. Speedometer erratic, harsh shifting caused by a faulty output speed sensor in the transmission. In this video I will show you how to troubleshoot and replace the transmission output speed sensor also known as a vehicle speed sensor.

Engine Performance Diagnostics

Parts used

Output Speed Sensor PN29543432 (purchased on eBay)


RV Maintenance and Repair

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For more information on this topic, I have written a “field manual” called Engine Performance Diagnostics which is available as an eBook or paper book.

Want even more diagnostic training? Whether you are a DIY trying to fix your own car, someone looking to become an auto technician, or a current auto technician that wants to get more into diagnostics, subscribe to ScannerDanner Premium. There is a 14 day free trial.

On ScannerDanner Premium I will bring you right into my classroom at Rosedale Technical College. You will find page for page lectures taken right from my book as well as exclusive classroom type case studies. What is so special about these classroom case studies? I pull live problem vehicles directly into my classroom and we troubleshoot them in real time, using and applying the theory and testing procedures we learn during the classroom lectures. There is no better on-line training of how to troubleshoot automotive electrical and electronics systems anywhere!