MyTeslaMate
IDB family

IDB_a007_wakeLineOpen

Not Available

What does the IDB_a007_wakeLineOpen alert mean?

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.

What you'll see in your Tesla

  • Not Available

What triggers it

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.

When it clears

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.

Affected models

Model Y 2025+

Track your Tesla's alerts automatically

Alerts like this reach MyTeslaMate through your car's Tesla telemetry API. MyTeslaMate logs every alert your Tesla reports and turns it into readable history and real-time notifications — hosted TeslaMate with no server to run.