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Home >> Jeep >> 2003 >> TJ (CANADA) L4-2.4L >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Testing and Inspection >> Symptom Related Diagnostic Procedures >> Communication Problems >> No Response From PCM (PCI Bus)
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

No Response From PCM (PCI Bus)

Test 1 - 2:






SYMPTOM
NO RESPONSE FROM PCM (PCI BUS)

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