Alert Details

IDB_a007_wakeLineOpen

Description

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.

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

VCFRONT IDB LV state signal matches hardwired wake line state at the start of the next power cycle.

Potential Impact

The IDB 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+