No Communication With IC (Stored)

Test 1:

SYMPTOM
NO COMMUNICATION WITH IC (STORED)

TEST NOTE
This symptom is diagnosed using the test A/C COMPRESSOR CONTROL HIGH OR OPEN (STORED).

WHEN MONITORED
With the ignition on.

SET CONDITION
This DTC will set if the Automatic Temperature Control (ATC) fails to receive all messages from the Instrument Cluster.

POSSIBLE CAUSES
- Check for active automatic temperature control (ATC) DTC's
- Intermittent condition