If you have any work done on your transmission or if you’re having issues switching gears. ThinkDiag OBD2 diagnostic tool will help you out.
Let’s go ahead to check how Thinkdiag reset transmission on 2015 Chevrolet Suburban.
Car: 2015 Chevrolet Suburban 5.3L

Device: Thinkcar Thinkdiag OBD2 full system code scanner

Src: http://www.cardiagtool.co.uk/launch-thinkdiag-obd2-code-scanner.html
It’s very easy to do with Thinkdiag.
Plug the ThinkDiag device into OBDII port in your vehicle
When you see the green light appears on the ThinkDiag that indicates the device powers on.

Turn on the ignition switch
Open ThinkDiag APP
Go to ThinkStore-> Purchased software

You can select GM or Reset Box to do the resetting process

Here we select Reset Box to operate
Then choose the corresponding car make-GM
It will ask you to switch on ignition, if have turned on, just click OK to continue

Then select Chevrolet-> Suburban -> 2014-2018-> Transmission control module
It will show the car year automatically




The commanded state is NULL, click “Reset” button at the bottom left of the screen

When reset complete, the commanded state will become to Reset.

That’s all!


