Hybspec

P0D25

Wysoki

Hybrid System Error: Incorrect operation of a high-voltage component.

OBD-II (EN): Hybrid System: High Voltage Component Malfunction

Code P0D25 signals an irregularity in the operation of high-voltage system components in a hybrid car. This can lead to reduced engine power or driving problems. Prompt specialist diagnosis is recommended to avoid serious powertrain failures.

Symptoms

• 'Check Engine' light or hybrid system warning icon on the dashboard • Reduced engine power (limp mode) • Problems switching between the combustion engine and electric motor • Possible sudden vehicle stop or inability to start the high-voltage system

Possible causes

• Failure of the DC/DC converter or inverter • Insulation issues with high-voltage components • Faulty voltage or current monitoring sensor in the HV system • Loose or corroded high-voltage connections • CAN bus communication error between hybrid system controllers

Affected systems

Układ wysokiego napięcia (HV)Inwerter/Przetwornica DC/DCMagistrala komunikacyjna CANUkład napędowy (Powertrain)

Related codes

Does code P0D25 require professional diagnostics?

The code alone is not enough. To find the cause, you need to read live data, check freeze frame conditions, and compare with vehicle behavior. Book a diagnostic session.