No Left SIACM Messages

Test 1 - 3:

Test 4:

SYMPTOM
NO LEFT SIACM MESSAGE

WHEN MONITORED
With ignition on, the ACM monitors the PCI Bus for the Left Side Impact Airbag Control Module status message. The Left SIACM transmits the status message to the ACM at 1 - second intervals.

SET CONDITION
If the ACM fails to see the Left SIACM status message on the PCI Bus for 10 seconds the code will set.

POSSIBLE CAUSES
- No left SIACM message
- ACM, no left SIACM message
- Stored code or intermittent condition
- Active code present