Operation CHARM
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Dodge or Ram Truck
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2003
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RAM 3500 Truck 4WD L6-5.9L DSL Turbo VIN 6
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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
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Checking the Power and Grounds
Checking the Power and Grounds
Test 1 - 3:
SYMPTOM
CHECKING THE
PCM
POWER AND GROUNDS
POSSIBLE CAUSES
-
Fused B+ circuit open
-
Fused ignition switch output circuit open
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PCM
ground circuit(s) open