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DIF_a038 — Bus Vsensor

Full alert identifier: DIF_a038_busVsensor

Alert description

Drive Inverter Warning: Battery sensor bad

Potential impact

Drive unit enters unit limp mode (see DI_a126_limpMode), faults (Model 3 only)

Set condition

When HV bus is up, DI measured bus voltage very low or disagrees with BMS reported voltage

Clear condition

When HV bus is up, DI measured bus voltage matches BMS reported voltage

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
I Bat DIF_a038_iBat A
V BMS DIF_a038_vBMS V
V Bat DIF_a038_vBat V
Signal Unit
Reason DIF_a038_reason
0
UNDERVOLTAGE PRE CHARGE
1
UNDERVOLTAGE HV UP
2
DI BMS VOLTAGE MISMATCH
—

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of DIF_a038.

Browse all DIF alert codes