Code result
P2308
Ignition Coil C Secondary Circuit
Moderate severity
What it means
The secondary side of ignition coil C does not produce sufficient spark energy. Misfire is observed on the corresponding cylinder.
Is it safe to drive?
Use caution
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical.
Most likely causes
Worn spark plug
highOne of the most commonly reported causes for this code — check this first.
Coil secondary failure
mediumA plausible cause — test and verify before replacing parts.
Related help
Get the full diagnosis
Add your vehicle and see step-by-step repair help, recalls, and TSBs in Wrenchify.
Diagnose P2308 freeNo credit card required