P2316moderate severityPowertrain
Ignition Coil C 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 C. This typically results in misfires on the affected cylinder.
Symptoms
- Engine misfire
- Check engine light on
- Reduced engine power
Common causes
- Faulty ignition coil C
- Open in coil primary wiring
- Corroded coil connector
- PCM driver circuit fault
Diagnostic steps
- Scan for coil and misfire codes
- Inspect coil C connector and wiring
- Test coil primary circuit continuity
- Replace ignition coil if faulty
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