HV Battery failure! 2014 S85 with 43,000 miles, single owner car
2023年4月10日 · Tesla owes its success today to early adopters that took the risk of buying their generation 1 cars years ago. 2012-2015 Tesla S/X vehicles have serious issues with the main battery and drive units - both having very high failure rates due to problems that were eventually fixed - during the warranty period of the early cars.
Tesla battery management system (BMS) calibration - Tesla …
2024年5月23日 · "Assuming one follows the Tesla guidance of maintaining the battery within a certain range (e.g. only charging routinely to 80% unless needed), which is better from a battery degradation perspective: A. Keeping the car plugged in when idle and having it constantly recharging with multiple tiny charging cycles every time its standby condition ...
Battery Warming Confusion | Tesla Owners Online Forum
2023年12月21日 · Tesla keeps the battery at a temperature around 50F (10C) in temperatures above -10C (14F) from my testing. At these temperatures the Tesla battery is in the optimal use parameters. What exactly do you think "optimal use" means ? To be noted : "optimal use" shouldn't be seen as the "optimal charging speed".
12V Battery, Replace or Diagnose? | Tesla Owners Online Forum
2025年1月2日 · At that time, the battery was almost 5 years old and I proactively replaced it just because I wanted to do it fully on my terms. So the first battery lasted about 58 months. The second battery put in by Tesla lasted 16 months. I noted this very short time to Tesla and they asked if I want to do a diagnosis to see if there is a root problem.
How to balance your Battery - Tesla Owners Online Forum
2023年6月27日 · There is a dongle you can buy so you can hook up a Bluetooth adaptor and read the CAN bus messages then use the 'Scan My Tesla' app to view battery voltages. Here is a screenshot from my 2018 Model 3 Performance. It is normally charged to 80% and has about 35,000 miles on it.
Preconditioning the Battery | Tesla Owners Online Forum
2024年12月6日 · In Tesla's most recent guidance regarding cold weather and battery preconditioning, it says: "Note: We recommend using preconditioning while your vehicle is plugged in to avoid using energy from your vehicle’s high voltage battery." My question is - I have the vehicle scheduled to charge each night at 9pm.
How much does Supercharging damage my battery? - Tesla …
2020年6月29日 · Model S 90D: 6% degradation over the first 194k miles (battery replaced). 22% degradation over the next 125k miles. Model X 90D: 10% degradation over first 300k miles; TESLA CHARGING FAILS AND BATTERY LESSONS (MODEL S, MODEL X & MODEL 3) "Changing to a practice of keeping the Charge Limit set at 95% slowed the rate of degradation …
90D aging vs 75D | Tesla Owners Online Forum
2023年5月12日 · Overall, it appears to follow the same basic degradation pattern as every other Tesla battery though - quickly losing over 5% in the first year or two, then slowing down to less than 1%/year afterwards. "It means that for the first few years of use, the 90 kWh battery pack degrades almost twice as fast as the older 85 kWh battery pack."
Refurbished battery failure | Tesla Owners Online Forum
2025年1月13日 · The "repair" consisted of replacing the original battery with a "refurbished" battery. This happened about 2 months ago. 2 days ago, the "refurbished" battery apparently failed. The dash warings were "acceleration and speed reduced", "vehicle may not restart", service required." Now the 1st appointment Tesla can give me is 3 weeks away.
Excessive phantom drain - Tesla Owners Online Forum
2023年12月16日 · Given Tesla service in Italy sucks I don’t believe them. Anyone has any experiences like this/suggestions. I still have the battery and power train under warranty and are concerned of been told everything is normal but 50kwh drain over a 12 day period for a car parked with all off doesn’t seem normal to me.