An updated DPS Portal website has been deployed (Dec. 2024). External DPS users must submit a CAPTCHA along with their email. These users will then be sent a link to access the external portal request system. DPS 4.62.1000 has been released (July 2025). This version includes updates to the DoSoAd protocol and full vehicle DTC read via DoIP for VIP.
If you have GM credentials and are connected to the GM Network or GM VPN.
If you do not have GM credentials and/or you are not connected to the GM Network.