MyTeslaMate
BMS family

BMS_a132_HW_BMB_OTP_Uncorrctbl

Not Available

What does the BMS_a132_HW_BMB_OTP_Uncorrctbl alert mean?

An uncorrectable error has been detected in the OTP (one-time programmable) memory for a battery monitoring board (BMB) device.

What you'll see in your Tesla

  • Not Available

What triggers it

Any BMB device reports an uncorrectable error in the OTP memory.

When it clears

All BMB devices report valid or correctable OTP memory.

Potential impact

This alert is primarily informational and is used for logging purposes. BMB device behavior may be impacted.

Affected models

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.