DTC codes / P23xx · Ignition system and misfire / P2324
P2324 means the engine computer has detected a low-voltage condition on the primary control circuit for ignition coil 'I', which is the low-voltage side that the computer uses to switch the coil on and off. The computer monitors this circuit and sets the code when the voltage on the control wire is lower than expected for the commanded state, indicating a short to ground, an open circuit, or a faulty coil driver.
Guidance is general and written for all OBD-II vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.
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