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P2331 is a diagnostic trouble code (DTC) for "Ignition Coil K Primary Control Circuit High". This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. Our certified mobile mechanics can come to your home or office to perform the Check Engine Light diagnostic. Once we are able to diagnose the problem, you will be provided with an upfront quote for the recommended fix and receive $20.00 off as a credit towards the repair. All our repairs are backed by our 12-month / 12,000-mile warranty.
Ignition Coil K Primary Control Circuit High
P2331 is an OBD-II generic code for the Ignition Coil K Primary Control Circuit High to the Engine Control Module (ECM). This means the primary coil circuit has an short circuit causing the high voltage signal to the ECM.
The ECM got a high voltage signal return on the primary circuit of the coil
The coil could be shorted internally in the primary circuit
The wiring or connection to the coil may have a shorted to power wire on the primary circuit
Code P2331 is an indication that the coil primary circuit has failed and the coil is not firing any more. This will cause the engine to misfire on the cylinder with the defective coil.
Code P2331 is common with vehicles that have a 12 cylinder motor and with coils on each cylinder. The primary circuit is what powers and fires the coil. Shorted primary circuits may blow a fuse on some vehicles.
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