I'm not holding my breath on this. I'm being polite online but fuming under the surface.
See if this matches your situation: I can login to MyVolt.com just fine - most of the time and THERE IS data there, just not always up to date data, e.g. my charging data may be up to the minute but my driving history may be two or three days old. I check it in 24 hours and all of the data I looked at is what is being presented as current. The data presented WAS correct at some point in the past for each field but maybe now the date you made the request.
Voltstats is only allowed to collect certain data fields and Mike extrapolates the other stuff he presents. The data he is allowed to pull is spot on to the moment his timestamp claims. So I know that the data is in there. They (OnStar) just cannot seem to fetch ALL of it on demand of their presentation layer API.
But I'll try to stay positive. See? I've got my fingers crossed!!!
I saw your message to Jessica the onstar advisor on this forum. I too am having issues with the myvolt.com website. I have made 4 phone calls and talked with Jessica, and I haven't gotten anywhere. I keep getting told that some one will get back to me. I even reviewed a message from Jessica that someone had reached out to me and left me a voicemail. I don't even think this was true because I never received a missed call or voicemail on my phone. It's crazy that they can't get this working. Glad I'm not alone with this issue. I'm going to keep trying to call/complain everyday now until its solved.
Keep me posted if you find out any news.