bms_a064
Moderate
Tesla · SUVs
Maximum battery charge level reduced
Quick Answer
Error code BMS_a064 on your Tesla SUVs means: Maximum battery charge level reduced. This is usually fixable — see the step-by-step guide below.
Affected Models
Likely Causes
How to Fix It
1
Charge battery to 100% using level 2 charger
2
Allow battery to rest for 4 hours
3
Perform battery calibration via diagnostics menu
4
Monitor charge capacity trend over next 5 charging cycles
5
Replace battery if capacity continues to decline
Pro Tip
This fix requires some technical knowledge. If you're unsure about any step, consider contacting support or a qualified technician.
Parts You May Need
High voltage battery pack
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