Code result
P2359
Ignition Coil L Secondary Circuit
Moderate severity
What it means
The ECU detects a secondary-circuit fault on ignition coil L (cylinder 12 on a V12 or another high-numbered cylinder). The cylinder will misfire if the spark output is insufficient.
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
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