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2013 RAM 2500
6.7L I6 Cummins Diesel•4WD•AUTOMATIC•diesel•turbo
16 active safety recalls on this vehicle — view recalls
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Repairs0Labor519Torque3583Fluid10DTC1788Battery1Maintenance0Recalls16
P2323moderate severityPowertrain

Ignition Coil D Primary Control Circuit/Open

on 2013 Ram 2500 6.7L I6 Cummins Diesel · 4WD

What this code means

The PCM detects an open or fault in the primary control circuit for ignition coil D. This can cause misfires and rough engine operation.

Symptoms

  • Engine misfire
  • Check engine light on
  • Rough idle or hesitation

Common causes

  • Faulty ignition coil D
  • Open in coil primary wiring
  • Corroded coil connector
  • PCM driver circuit fault

Diagnostic steps

  1. Scan for coil and misfire codes
  2. Inspect coil D connector and wiring
  3. Test coil primary circuit continuity
  4. Replace ignition coil if faulty
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