RCU_a006_wakeLineOpen
Description
Redundant Control Unit (RCU) Low Voltage (LV) state CAN signal from Front Vehicle Controller (VCFRONT) reports LV is on while the wake line voltage is off.
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
VCFRONT RCU LV state signal matches hardwired wake line state at the start of the next power cycle.
Potential Impact
The RCU may not power on or shut down correctly.
Customer Facing Message 1
Not Available
Customer Facing Message 2
Not Available
Audiences
service-fix
Models
Model Y 2025+