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Home >> Jeep >> 2003 >> Grand Cherokee 2WD V8-4.7L >> Repair and Diagnosis >> A L L Diagnostic Trouble Codes ( DTC ) >> Testing and Inspection >> Manufacturer Code Charts >> Communications - Verbose Codes >> No Response From PCM (PCI Bus)

No Response From PCM (PCI Bus)

Test 1:




Test 2:






SYMPTOM
NO RESPONSE FROM PCM (PCI BUS) - GAS ONLY

POSSIBLE CAUSES
- PCM PCI no response
- PCI bus circuit open
- Powertrain control module
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