BMS_f008 — HW HVIL
Full alert identifier: BMS_f008_HW_HVIL
Message shown in the car
Vehicle may not restart Service is required
Alert description
There is a hardware problem with the high voltage interlock loop (HVIL).
Potential impact
Inability to charge, drive, or support the low voltage (LV) system
Set condition
The complex programmable logic device (CPLD) has detected that the HVIL is open and the vehicle is not in Drive.
Clear condition
The CPLD 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 |
|---|---|
Contactor V
BMS_
|
V |
Hvil V
BMS_
|
V |
Serv Disc V
BMS_
|
V |
Vehicle 12 V
BMS_
|
V |
| Signal | Unit |
|---|---|
CPLD B 22 Hvil Fault
BMS_
|
— |
CPLD B 41 Blind Mate Fault
BMS_
|
— |
CPLD B 47 Hvil Bad
BMS_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of BMS_f008.