HVREX_a736_CacImbalanceLimp

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.

Live incidence rate

<0.01% (Extremely rare)

Vehicle messages

High voltage battery requires service
Acceleration and charging performance reduced

Impact

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

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.

Cause

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)

Models

Cybertruck

Visibility

customer, service-fix

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