What does code P2322 mean?

Q: What does code P2322 mean?

Ignition Coil 'H' Primary Control Circuit High. P2322 means the engine computer has detected an abnormally high voltage on the primary control circuit for ignition coil 'H', which is one of the individual coil-on-plug units. The computer commands the coil to fire by pulling the control wire low, and a high-voltage reading tells it the circuit is not being pulled down as expected, pointing to an open circuit, a failed coil driver, or a wiring fault.

DTC codes / P23xx · Ignition system and misfire / P2322

P2322Ignition Coil 'H' Primary Control Circuit High

P2322 means the engine computer has detected an abnormally high voltage on the primary control circuit for ignition coil 'H', which is one of the individual coil-on-plug units. The computer commands the coil to fire by pulling the control wire low, and a high-voltage reading tells it the circuit is not being pulled down as expected, pointing to an open circuit, a failed coil driver, or a wiring fault.

SystemPowertrain

Code typeGeneric (all makes)

SeverityMedium

Fix difficultyIntermediate

AreaIgnition system and misfire

Guidance is general and written for all OBD-II vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.