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HVBATT_a735 — Bp2 Cac Imbalance Limiting

Full alert identifier: HVBATT_a735_Bp2CacImbalanceLimiting

Alert description

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.

Potential impact

Reduced maximum range and limited charging performance.

Set condition

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

Clear condition

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.

Signals to check

These diagnostic fields are associated with HVBATT_a735. Check the alert's Alert Log in Service Mode Plus for available values.

Signal Unit
Avg Brick Cac HVBATT_a735_avgBrickCac
8191
SNA
Ah
Min Brick Cac HVBATT_a735_minBrickCac
8191
SNA
Ah
Min Brick Cac Id HVBATT_a735_minBrickCacId
255
SNA
—
Mod Cac Imbalance Pct HVBATT_a735_modCacImbalancePct %

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of HVBATT_a735.

Browse all HVBATT alert codes