MyTeslaMate
HVBATT family

HVBATT_a735_Bp2CacImbalanceLimiting

High voltage battery performance limited

What does the HVBATT_a735_Bp2CacImbalanceLimiting alert mean?

The battery management system (BMS) detects that the calculated Amp-hour capacity (CAC) difference between bricks within a single module exceeds the acceptable threshold, which may reduce battery performance.

What you'll see in your Tesla

  • High voltage battery performance limited
  • OK to drive - Schedule service soon

What triggers it

The BMS detects that the estimated CAC imbalance between the average CAC and the minimum CAC of bricks within a single module exceeds the acceptable threshold

When it clears

The BMS detects that the estimated CAC imbalance between the average CAC and the minimum CAC of bricks within a single module is within the acceptable threshold.

Potential impact

Reduced maximum range and limited charging performance.

Affected models

Cybertruck

Track your Tesla's alerts automatically

Alerts like this reach MyTeslaMate through your car's Tesla telemetry API. MyTeslaMate logs every alert your Tesla reports and turns it into readable history and real-time notifications — hosted TeslaMate with no server to run.