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Dodge or Ram Truck
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2003
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RAM 3500 Truck 2WD L6-5.9L DSL Turbo VIN C
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Repair and Diagnosis
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Powertrain Management
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Testing and Inspection
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Symptom Related Diagnostic Procedures
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Communication Problems
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No Response From ECM (PCI Bus)
No Response From ECM (PCI Bus)
Test 1:
Test 2:
SYMPTOM
NO RESPONSE FROM ECM (
PCI BUS
) - DIESEL ONLY
POSSIBLE CAUSES
-
ECM
PCI
no response
-
PCI bus
circuit open
-
Engine control module
