HVREX_a736 — Cac Imbalance Limp
Full alert identifier: HVREX_a736_CacImbalanceLimp
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 HVREX_a736. Check the alert's Alert Log in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
Avg Brick Cac
HVREX_
|
Ah |
Min Brick Cac
HVREX_
|
Ah |
Min Brick Cac Id
HVREX_
|
— |
Mod Cac Imbalance Pct
HVREX_
|
% |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of HVREX_a736.