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

    high

    One of the most commonly reported causes for this code — check this first.

  • Coil secondary failure

    medium

    A plausible cause — test and verify before replacing parts.

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