BMS_f132 — HW BMB OTP Uncorrctbl
Full alert identifier: BMS_f132_HW_BMB_OTP_Uncorrctbl
Message shown in the car
Service is required Schedule service
Alert description
An uncorrectable error has been detected in the OTP-EPROM register bank for a battery monitoring board (BMB).
Potential impact
OTP register(s) are not valid. The BMS will attempt to reset all of the TI536 ASICs and reenumerate them.
Set condition
A BMB TI536 ASIC chip has set the ECC_ERR bit in the ALERT_STATUS register.
Clear condition
The BMBs have been reset and the ECC_ERR bit in all ALERT_STATUS registers is clear.
Signals to check
These diagnostic fields are associated with BMS_f132. Check the alert's Payload in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
Bmb ID
BMS_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of BMS_f132.