EV charging at Tesla-session Taken Over by Rivian

Rivian's Battery Estimation hasn't been the Most Accurate

Rivian Blue · 2025-04-01T08:59:34+00:00

Ever since I got my R1S, I've noticed that the battery range estimation hasn't been the best. Driving a Tesla for the last 3 years, it never had this kind of issue. During my last trip, the driver display shows 255mi remaining. My total trip (including 2 destinations) is 160mi so I believed I should be able to make it easily with a nice cushion. But the center display showed that I would arrive at first destination with 4mi remaining, and run out before the second destination! I knew this was false so I made the drive anyway, and arrived at second destination with 50mi remaining. If I understand correctly, the driver display range is simply the total rated range multiplied by SOC. That makes sense here, since my vehicle is rated for 370mi, 255mi is 68.9%. Coming from Tesla, I expect the number shown in the center display should account for factors like elevation, wind, traffic speed, etc. It's sad that my own mental estimation is better than Rivian's.

Rivian Blue

Member

Mar 4, 2025

I have had this happen 3 times in the space of 2 weeks. I start a charging session and session gets taken over by Rivian app at the higher non-member rate.

I have sent info to Rivian. Session was started with the Tesla app, I did not use navigation to reach the charging station. Tesla app gets interrupted and Rivian continues the session at the higher rate.

Rivian responded by asking me if I plugged in before I activated with the Tesla app. They further said that I would need to start the session in the Tesla app and then plug in. Someone said if i should plug in first, then the Rivian authentication will almost certainly occur before I get things going in the Tesla app.

With these suggestions, I think I would only let things go through Rivian from now on.

EV charging at Tesla-session Taken Over by Rivian

Rivian Blue

Member

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