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BMS_f034 — SW Isolation Sensor

Full alert identifier: BMS_f034_SW_Isolation_Sensor

Message shown in the car

Vehicle may not restart Service is required

Alert description

The battery management system (BMS) detects that there is an isolation sensor error.

Potential impact

Inability to charge, drive, or support the low voltage (LV) system

Set condition

The BMS runs into an abnormality during the isolation circuit test.

Clear condition

The BMS detects that the condition clears.

Signals to check

Open this alert in Service Mode Plus and review the Payload tab. Use the field names below to identify the values shown by your vehicle.

Signal Unit
Test R Asymmetry BMS_a034_testRAsymmetry PCT
Signal Unit
Err Type BMS_a034_errType
0
NEGATIVE CRCT BRKN
1
POSITIVE CRCT BRKN
—

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of BMS_f034.

Browse all BMS alert codes