MyTeslaMate
IDB family

IDB_a079_DIvdcLeftChecksum

Not Available

What does the IDB_a079_DIvdcLeftChecksum alert mean?

Drive Inverter (DI) Vehicle Dynamics Control (VDC) Left message DI_vdcLeft checksum is incorrect.

What you'll see in your Tesla

  • Not Available

What triggers it

DI_vdcLeft is received with incorrect CRC for longer than 200 milliseconds.

When it clears

DI_vdcLeft Controller Area Network (CAN) message is received with correct Cyclic Redundancy Check (CRC) for 200 milliseconds.

Potential impact

Brake Traction Control (BTC), Vehicle Dynamics Control (VDC), Brake Disc Wipe (BDW), and External Brake Request (EBR) may be unavailable. There may be an issue with the transmitting Electronic Control Unit (ECU) or CAN bus. The vehicle should be driven with extreme caution.

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.