IDB_a007 — Wake Line Open
Full alert identifier: IDB_a007_wakeLineOpen
Alert description
IDB Low Voltage (LV) state CAN signal from Front Vehicle Controller (VCFRONT) reports LV is on while the wake line voltage is off.
Potential impact
The IDB may not power on or shut down correctly.
Set condition
VCFRONT IDB LV state signal VCFRONT_espLVState is received as LV_ON while the hardwired wake line (IDB connector pin 4) is off for more than 2 minutes while there is no power supply hard undervoltage.
Clear condition
Clears when VCFRONT IDB LV state signal matches hardwired wake line state at the start of the next power cycle.
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of IDB_a007.