P2332 indicates a fault detected in the secondary (high-voltage) circuit of ignition coil "K" — typically the coil serving cylinder 11 in the SAE A-P cylinder numbering convention. The engine computer has seen an abnormal condition in the high-voltage path from the coil to the spark plug, which usually produces a misfire on that cylinder.
The coil's secondary winding, boot, or internal insulation can degrade, causing weak or intermittent spark. This is the single most common cause of a secondary-circuit code.
A worn, fouled, cracked, or incorrectly gapped spark plug, or a damaged high-voltage boot/wire, can create an open or short in the secondary circuit and trigger the code.
High-voltage leakage across a contaminated or cracked coil boot or spark-plug insulator can mimic a coil failure and should be inspected before replacing parts.
Corroded, loose, or damaged terminals in the coil primary connector, or chafed wiring near the coil, can disrupt coil operation and set a secondary-circuit code.
A failed coil driver inside the PCM is possible but uncommon; this should only be considered after the coil, spark plug/boot, and wiring have been ruled out.
Almost never. This code is almost always caused by a bad ignition coil, spark plug, coil boot, or wiring. PCM failure is rare and should only be considered after the secondary circuit components are thoroughly tested and ruled out.
Under SAE convention, ignition coils lettered A through P correspond to cylinders 1 through 16, so coil K normally serves cylinder 11. Always confirm the exact cylinder numbering and coil layout in the service information for your engine.
It is not advisable to drive far with an active misfire. Unburned fuel entering the catalytic converter can overheat and damage it. Limit driving to reaching a safe place for diagnosis and repair.
No. A failed coil is the most common cause, but a damaged spark plug, cracked coil boot, carbon tracking, or wiring fault can produce the same code. Inspect the entire secondary circuit before replacing the coil.