RCU_a006 — Wake Line Open
Full alert identifier: RCU_a006_wakeLineOpen
Alert description
RCU 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 RCU may not power on or shut down correctly.
Set condition
VCFRONT RCU LV state signal VCFRONT_iBoosterLVState is received as LV_ON while the hardwired wake line (RCU connector pin 4) is off for more than 2 minutes while there is no power supply hard undervoltage.
Clear condition
Clears when VCFRONT RCU 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 RCU_a006.