No PCM Messages Received (Stored)

Test 1:

SYMPTOM
NO PCM MESSAGE RECEIVED (STORED) - MANUAL A/C

TEST NOTE
This symptom is diagnosed using the test A/C FAULT (STORED) - MANUAL A/C.

WHEN MONITORED
With the ignition ON.

SET CONDITION
This DTC will set if the A/C - Heater Control Module does not see any messages from the PCM for more than 5 seconds.

POSSIBLE CAUSES
- Code(s) become(s) active
- Stored code(s) test complete