Missing Transmission Position Input

Test 1 - 3:

Test 4 - 5:

SYMPTOM
MISSING TRANSMISSION POSITION INPUT

WHEN MONITORED
Continuously with the ignition on.

SET CONDITION
When the Transfer Case Control Module stops receiving a bus message for Transmission Position for the period of 5 seconds.

POSSIBLE CAUSES
- Cluster DTC's present
- PCM communication DTC's present
- Transmission DTC present
- Transfer case control module
- Intermittent wiring and connectors