Integrated Dynamic Brake (IDB) Low Voltage (LV) state CAN signal from Front Vehicle Controller (VCFRONT) reports LV is on while the wake line voltage is off.
<0.01% (Extremely rare)
None displayed
The IDB may not power on or shut down correctly.
Integrated Dynamic Brake (IDB) Low Voltage (LV) state CAN signal from Front Vehicle Controller (VCFRONT) reports LV is on while the wake line voltage is off.
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.
VCFRONT IDB LV state signal matches hardwired wake line state at the start of the next power cycle.
Model Y 2025+
service-fix
Sign up for Tessie. Try it free for 14 days. Happiness guaranteed.