MyTeslaMate
IBST family

IBST_a060_NvMMigrationFault

Power braking assist reduced

What does the IBST_a060_NvMMigrationFault alert mean?

iBooster (IBST) detected a migration process failure due to power interruption in previous power cycle or a migration was not possible due to insufficient space available on Electrically Erasable Programmable Read-Only Memory (EEPROM).

What you'll see in your Tesla

  • Power braking assist reduced
  • Braking may require increased effort

What triggers it

IBST detects a migration process failure due to power interruption in previous power cycle or a migration was not possible due to insufficient space available on EEPROM.

When it clears

iBooster can not recover from this condition. iBooster replacement may be required.

Potential impact

IBST may not operate as expected.

Affected models

Cybertruck Model 3 2017-2023 Model 3 2024+ Model S 2021+ Model X 2021+ Model Y 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.