Code result
P2311
Ignition Coil D Secondary Circuit
Moderate severity
What it means
A fault is detected in the secondary side of ignition coil D. Insufficient spark energy results in cylinder misfire.
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.
Secondary winding failure
mediumA plausible cause — test and verify before replacing parts.
Related help
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