Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

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PCI Bus Communication Failure

Test 1 - 2:

Test 3 - 6:

Test 7 - 8:

SYMPTOM
PCI BUS COMMUNICATION FAILURE

POSSIBLE CAUSES
- Wiring harness intermittent
- Open PCI Bus circuit at The Data Link Connector (DLC)
- High voltage on the PCI bus circuits at the BCM connectors
- Module (PCI Bus short To voltage)
- PCI Bus circuit shorted to voltage
- Low resistance to ground on the PCI Bus circuits at the BCM connectors
- Module (PCI Bus short To ground)
- PCI Bus circuit shorted to ground