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P2308

Ignition Coil C Secondary Circuit

The secondary side of ignition coil C does not produce sufficient spark energy. Misfire is observed on the corresponding cylinder.

  • Check engine light: Yes
  • Emissions related: Yes
  • Repair difficulty: easy

Common causes

Ordered by how often each turns out to be the cause.

  • Worn spark plugCommon
  • Coil secondary failurePossible

Parts involved

  • Ignition Coil
  • Spark Plug

P2308 is a generic OBD-II code defined by SAE J2012. Exact wording and diagnostic procedure vary by manufacturer and model. Code definitions are drawn from the public-domain OBDex dataset; the workshop notes are our own.