FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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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