EPASTS_a195_imcmCommErrC1

This alert is reported by the IMCM_C1 (IMCM) component in case Inter-MCU comm failure or the other side is not communicating (UV or other failure).

Live incidence rate

<0.01% (Extremely rare)

Vehicle messages

None displayed

Impact

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

Description

This alert is reported by the IMCM_C1 (IMCM) component in case Inter-MCU comm failure or the other side is not communicating (UV or other failure).

Cause

Inter-MCU comm failure or the other side is not communicating. 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

Inter-MCU recovers communication and is communicating with the other side.

Models

Model Y, Model Y 2025+

Visibility

service-fix

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