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BMS_f178 — Ov Uv Reg Wrong

Full alert identifier: BMS_f178_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_f178. Check the alert's Payload in Service Mode Plus for available values.

Signal Unit
COV Reg Contents BMS_a178_COVRegContents —
CUV Reg Contents BMS_a178_CUVRegContents —

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of BMS_f178.

Browse all BMS alert codes