MyTeslaMate
EPAS3P family

EPAS3P_a120_pvtEcuStatCntError

Not Available

What does the EPAS3P_a120_pvtEcuStatCntError alert mean?

The electric power assist steering (EPAS) internal private bus is receiving an unexpected status counter value, resulting in the chassis bus electric power assist steering (EPAS3S) Electronic Control Unit (ECU) to lose functionality.

What you'll see in your Tesla

  • Not Available

What triggers it

The status counter does not increment as expected.

When it clears

The status counter increments as expected.

Potential impact

The power steering function is operational, but steering assist will likely be reduced. A customer facing alert describing a reduced level of assist for power steering may be present. Autopilot may be disabled in some cases.

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.