Missing Ignition Message

Test 1 - 3:

SYMPTOM
MISSING IGNITION MESSAGE

WHEN MONITORED
Continuously with the ignition on.

SET CONDITION
This condition occurs when the Transfer Case Control Module stops receiving a bus message for Ignition status for the period of 5 seconds.

POSSIBLE CAUSES
- Communication DTC's present
- Transfer case control module
- Intermittent wiring and connectors