2020 GM USA Software

Note: Per Advanced Diagnostics USA policy, Transponder Island Inc. is not able to return any software purchased once it has been submitted to Advanced Diagnostics. Transponder Island Inc. submits all software purchases to ADUSA the same day during business hours. Please make sure the correct S/N for your machine is submitted with your order at the time of purchase. In some cases were the software has not been downloaded, software may be returned with a 20% restocking fee penalty or full credit for another software purchase.

 

 Pincode not required.