How to Use Launch SmartLink J2534 with GM Techline Connect SPS2?

Launch SmartLink VCI (comes with X431 PAD V/PAD VII/PRO5) does work as a J2534 programming device with many manufacturers.

When replacing Chevy’s transmission if it is a six-speed or 8-speed or 10-speed, they have a module built into the transmission that has to be programmed.

Here we will show how to program Chevy transmission using Launch J2534 and Techline Connect.

Preparation:

1.Download Launch smartlink c software driver on cnlaunch.com or here

Where to Download Launch X431 SmartLink C J2534 Passthru Driver

2. pay for the subscription to ACDelco.com. register your laptop with Techline Connect, assign your subscription to your laptop

Procedure:

Visit ACDelco.com.
If you don’t have an account you’ll have to make an account.

Here we have two available programming slots so we can program two more vehicles.

->>Check more details about Techline Connect subscription

The Launch Techline Connect.

Connect vehicle

Each time you open it it’s going to check for updates.

It doesn’t always successfully update so we’re waiting waiting waiting and we get a message for some updates.

Once update finished, wee’re going to connect to the vehicle.

It should pop up a screen to pick our j2534 communication device we are going to pick the Launch J2534.

You will see it connects with Launch J2534 interface

Select Replace and Reprogram

Many of these vehicles don’t allow used modules to be programmed so if you put a used transmission in you will likely fail programming it.

But some of them do go through just fine this one.

It’s a 2021 model. It is kind of hit or miss some of these vehicles will program the engine control module and the transmission control module in a sequential programming.

Select TCM module