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HVBATT_a737 — Bp2 Cac Imbalance Limp

Full alert identifier: HVBATT_a737_Bp2CacImbalanceLimp

Alert description

Calculated Amp-hour Capacity (CAC) difference of bricks within a module exceeds acceptable threshold. This results in reduced battery performance and limits maximum range. Vehicle enters Battery Management System (BMS) limp mode.

Potential impact

BMS limp mode is triggered, with another alert present to indicate this condition.

Set condition

The estimated imbalance between the average CAC and minimum CAC within a single module exceeds the alert set threshold (CAC imbalance is not within acceptable range)

Clear condition

The estimated CAC imbalance is under the alert clear threshold (CAC imbalance is within acceptable range)

Signals to check

These diagnostic fields are associated with HVBATT_a737. Check the alert's Alert Log in Service Mode Plus for available values.

Signal Unit
Avg Brick Cac HVBATT_a737_avgBrickCac
8191
SNA
Ah
Min Brick Cac HVBATT_a737_minBrickCac
8191
SNA
Ah
Min Brick Cac Id HVBATT_a737_minBrickCacId
255
SNA
—
Mod Cac Imbalance Pct HVBATT_a737_modCacImbalancePct %

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of HVBATT_a737.

Browse all HVBATT alert codes