Skip to content
Model Y

EPASTP_a157 — Mcudcp Invalid Ecu Id

Full alert identifier: EPASTP_a157_mcudcpInvalidEcuId

Alert description

This alert is reported by the reported by the MCUDynamicConfigurationProvider_TC3x component when reading EndOfLine ECU parameters fails.

Potential impact

EPAS full loss of assist.

Set condition

EPAS End Of Line ECU parameters failure (unkown or corrupted).

Clear condition

Perform EPAS Software update. Reflash EOL parametrization.

Signals to check

These diagnostic fields are associated with EPASTP_a157. Check the alert's Payload in Service Mode Plus for available values.

Signal Unit
Debug Info EPASTP_a157_debugInfo —

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of EPASTP_a157.

Browse all EPASTP alert codes