Bus (+/-) Signals Open From Instrument Cluster
Test 1 - 2:
Test 3 - 7:
SYMPTOM
BUS +/- SIGNALS OPEN FROM INSTRUMENT CLUSTER
TEST NOTE
This symptom is diagnosed using the test MIC MESSAGE NOT RECEIVED.
POSSIBLE CAUSES
- Attempt to communicate with another module
- Fused B(+) circuit open
- Ground circuit open
- Ground circuit open
- Check the PCI bus circuit for voltage
- Body control module
- Check the PCI bus circuit (MIC) for an open