DTC codes / P23xx · Ignition system and misfire / P2362
P2362 indicates that the glow plug control module has detected a low-voltage condition on its main power supply circuit, meaning the module is not receiving the voltage it needs to operate the glow plugs correctly. The engine control unit (ECU) monitors this circuit and sets the code when the voltage falls below the expected threshold, often due to a wiring fault, poor connection, or a failing module.
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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