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2003
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RAM 3500 Truck 2WD L6-5.9L DSL Turbo VIN 6
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Repair and Diagnosis
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A L L Diagnostic Trouble Codes ( DTC )
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Testing and Inspection
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P Code Charts
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P1652
P1652
Test 1 - 2:
SYMPTOM
P1652-J185O SHORT TO GROUND
WHEN MONITORED
While the ignition is on.
SET CONDITION
The ECM detects a short to ground on the J1850.
POSSIBLE CAUSES
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ECM
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J1850 shorted
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Communication