ACM No Left SIACM Messages (Active)

Tests 1 - 2:

SYMPTOM
ACM, NO LEFT SIACM MESSAGE - ACTIVE

WHEN MONITORED
With ignition ON, the ACM monitors the PCI Bus for the Left SIACM status message. The Left SIACM transmits the status message to the ORC at 1 second intervals.

SET CONDITION
If the ACM fails to see the Left SIACM status message on the PCI Bus for 5 seconds the code will set.

POSSIBLE CAUSES
- No left SIACM message
- ACM, No left SIACM message