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2014 RAM 2500
6.7L I6 Cummins Diesel•4WD•AUTOMATIC•diesel•turbo
16 active safety recalls on this vehicle — view recalls🏆Sponsored by Anonymous Sponsor
Repairs436Labor519Torque3583Fluid10DTC1790Battery1Maintenance0Recalls16
P0351moderate severityPowertrain

Ignition Coil A Primary/Secondary Circuit Malfunction

on 2014 Ram 2500 6.7L I6 Cummins Diesel · 4WD

What this code means

A fault is detected in ignition coil A primary or secondary circuit. This typically causes a misfire on the affected cylinder.

Symptoms

  • Cylinder misfire
  • Rough idle
  • Reduced power

Common causes

  • Faulty ignition coil A
  • Coil connector/wiring fault
  • Bad spark plug
  • PCM coil driver fault

Diagnostic steps

  1. Confirm coil A code
  2. Inspect coil A connector and wiring
  3. Test coil resistance
  4. Swap coil to verify
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