ORC Cluster Messages Mismatch (Stored)

Test 1:

SYMPTOM
ORC, CLUSTER MESSAGE MISMATCH - STORED

TEST NOTE
This symptom is diagnosed using the test ORC, CALIBRATION MISMATCH - STORED.

WHEN MONITORED
After the MIC bulb test is completed, the ORC compares the Lamp Request by ORC (ON or OFF) and the Lamp on by MIC (ON or OFF) PCI Bus messages. Each message is transmitted one time per second or when a change in the lamp state occur.

SET CONDITION
If the Lamp Request by ORC (ON or OFF) and the Lamp on by MIC (ON or OFF) messages do not match, the code will set.

POSSIBLE CAUSES
- Checking for active ORC DTC's
- Stored code present