Back to 2003 Dodge Ram 2500

2003 DODGE RAM 2500

5.7L V8 Hemi4WDAUTOMATICgas
9 active safety recalls on this vehicle — view recalls
Repairs0Labor503Torque3668Fluid9DTC718Battery0Maintenance0Recalls9
P2306high severityPowertrain

Ignition Coil F Secondary Circuit

on 2003 Dodge Ram 2500 5.7L V8 Hemi · 4WD

What this code means

Fault in ignition coil F secondary circuit (typically cylinder 6).

Symptoms

  • Cylinder 6 misfire
  • Check engine light

Common causes

  • Failed coil
  • Worn spark plug
  • Plug wire resistance high

Diagnostic steps

  1. Coil swap test
  2. Check plug
  3. Measure secondary resistance

Repair notes

Replace coil and plug.

Other Powertrain codes on this vehicle

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