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BMS_w177 — Open Vsh Detected

Full alert identifier: BMS_w177_OpenVshDetected

Alert description

The Battery Management System (BMS) detects an open circuit on the Voltage Sense Harness (VSH).

Potential impact

Vehicle is unable to drive.

Set condition

There is voltage growth in the opposite direction among two bricks.

Clear condition

The CLEAR_LATCH_BITS UDS StartRoutine is invoked.

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
V Diff BMS_a177_vDiff
-32768
SNA
V
Signal Unit
Bmb ID BMS_a177_bmbID
31
SNA
—
Brick ID BMS_a177_brickID
127
SNA
—
Err Type BMS_a177_errType
0
VSH LATCHED
1
OUTER VSH
2
INNER VSH
—

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of BMS_w177.

Browse all BMS alert codes