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2014 TESLA MODEL S
85 kWh Dual Motor AWD•AWD•AUTOMATIC•ev
9 active safety recalls on this vehicle — view recalls
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Repairs0Labor317Torque3020Fluid5DTC1474Battery1Maintenance0Recalls9
P2316moderate severityPowertrain

Ignition Coil C Primary Control Circuit/Open

on 2014 Tesla Model S 85 kWh Dual Motor AWD · AWD

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

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