Skip to content
Model Y

EPASTS_a231 — Di Spd Cs Error

Full alert identifier: EPASTS_a231_diSpdCsError

Alert description

Invalid DI_speedChecksum value received

Potential impact

Electronic Power Assist Steering (EPAS) will use safe speed reduced assist level if invalid DI_speed message received

Set condition

Unexpected DI_speedChecksum value received by EPAS

Clear condition

Electronic Power Assist Steering (EPAS) observes DI_speedChecksum incrementing correctly

Signals to check

These diagnostic fields are associated with EPASTS_a231. Check the alert's Payload in Service Mode Plus for available values.

Signal Unit
Debug Info EPASTS_a231_debugInfo —

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of EPASTS_a231.

Browse all EPASTS alert codes