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EPASTP_a123 — Imcm Comm Err

Full alert identifier: EPASTP_a123_imcmCommErr

Alert description

This alert is reported when there is a Inter-MCU comm failure or other side is not communicating (UV or other failure).

Potential impact

EPAS A and B sides are not able to communicate. Steering assist reduced or might be unavailable.

Set condition

The signal is unavailable because checksum error, or the signal is unavailable because Alive counter error, or Timeout (no frame arrived), or Frame size is out of range.

Clear condition

Perform EPAS Software update.

Signals to check

These diagnostic fields are associated with EPASTP_a123. Check the alert's Payload in Service Mode Plus for available values.

Signal Unit
Debug Info EPASTP_a123_debugInfo —

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of EPASTP_a123.

Browse all EPASTP alert codes