2011 GMC Sierra
Mileage
190,240
Service Date
6/3/2019
Services Performed
- Diagnosed transmission malfunction and tested transmission control module circuit. Found TCM to be faulty, removed and replaced unit. Programmed TCM and test drove vehicle. Transmission now shifting correctly.
- Diesel Fuel
- Program new transmission computer
William W. gave our service a 5 star review on 6/5/2019
