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End-SOC not correct after charging

Open AikenPandora opened this issue 1 year ago • 3 comments

Append Logfile Posted it privat.

Describe the bug Charged till 64%. In the last 3 minutes there was only one SOC with 63% (without any decimals). No other charging states. Charged ended with 63%, just 3 minutes after the end of charging, the car a new transmitted SOC with 63,9994% corresponding to the right charge at the ending of the charging.

This is a telemtry Error which is replicable in e.g. TeslaFi, but they chose in this special instance a latter SOC as the ending SOC.

To Reproduce Normal charge, right now, I have no idea how to reproduce this error. Maybe it was a one time error from Telemetry.

Expected behavior Correct SOC at the end of charge. Either with taking a later SOC or making a issue with Tesla.

Screenshots image

Teslalogger Type Raspberry Pi4, Docker, Selfmade

AikenPandora avatar Dec 31 '24 21:12 AikenPandora

I haven‘t had this issue anymore.

Sometimes there is a new charging a bit later, but this is mostly relevant for DC charging, where the charge only ends after unpluging the car. And so waiting a few seconds usually leads to a correct SOC.

I would close this issue, if nobody has it anymore. Maybe fixed via Tesla.

The 100% charging bug is/was something else though, there TeslaLogger deletes the rest of the correct recognized charging (according to the log) and shortens it after finishing for more then 20 minutes

AikenPandora avatar Mar 24 '25 14:03 AikenPandora

Today I run in this issue again, completing a charge (ac 8 ampere, 3 phases) with 60,7 instead of 62,2%. (As directly reported after the charge)

AikenPandora avatar Mar 25 '25 00:03 AikenPandora

After observing the last charges closely:

It seems to be a problem with fleet api since SOC is sometimes reported after end of charge. But it also seems like the SOC itself doesn‘t lead to a charging entry, at least not when the SOC is reported just before the end of charging.

At least that SOC changes trigger a charging entry would alleviate the problem for SOC. But it would still continue in cases of SOC change after end of charging.

AikenPandora avatar May 23 '25 17:05 AikenPandora