Operation CHARM
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Dodge or Ram Truck
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2003
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RAM 3500 Van V8-5.9L VIN Z LDC
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Repair and Diagnosis
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Powertrain Management
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Computers and Control Systems
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Relays and Modules - Computers and Control Systems
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Engine Control Module
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Testing and Inspection
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Component Tests and General Diagnostics
Component Tests and General Diagnostics
Test 1 - 3:
SYMPTOM
CHECKING THE
PCM
POWER AND GROUNDS
POSSIBLE CAUSES
-
PCM
fused B+ circuits
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PCM
fused ignition switch output circuit
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PCM
ground circuits