Unknown Fault Detected (Stored)

Test 1:

SYMPTOM
UNKNOWN FAULT DETECTED (STORED) - MTC

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

WHEN MONITORED
With the ignition ON.

SET CONDITION
This DTC will set if the A/C-Heater Control Module detects an internal fault.

POSSIBLE CAUSES
- Check for active HVAC DTC's and system tests fault messages
- Stored code(s) test complete