BMS_w178 — Ov Uv Reg Wrong
Full alert identifier: BMS_w178_OvUvRegWrong
Message shown in the car
Unable to charge Service is required
Alert description
Detect if the contents of the COV or CUV registers are wrong.
Potential impact
Failure to detect HW overvoltage / undervoltage scenarios
Set condition
COV or CUV disable bit is asserted for more than 10 consecutive seconds.
Clear condition
Disable bit in COV and CUV registers are de-asserted
Signals to check
These diagnostic fields are associated with BMS_w178. Check the alert's Payload in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
COV Reg Contents
BMS_
|
— |
CUV Reg Contents
BMS_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of BMS_w178.