DTC codes / P23xx · Ignition system and misfire / P2368
P2368 means the powertrain control module (PCM) has detected an abnormally low voltage signal from the cylinder 12 pressure sensor circuit, which is used to monitor combustion pressure in that cylinder. The sensor's output is below the expected range for the current operating conditions, so the PCM flags the circuit as faulty and may disable certain diagnostics or adjust engine management.
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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