Hybspec

P0655

Średni

Code P0655 indicates a fault in the engine hot warning lamp control circuit.

Code P0655 informs about a problem with the engine hot warning lamp control circuit. The cause could be damaged wiring, a fuse, or the engine control module itself. We recommend workshop diagnostics to avoid the risk of engine overheating without warning.

Symptoms

Engine hot warning lamp illuminated or flashing, lamp unresponsive, possible drivability issues (e.g., power loss, rough running).

Possible causes

- Faulty PCM/ECM controller (output stage damage) - Open or short circuit in the lamp circuit wiring - Damaged electrical connectors - Blown fuse or faulty relay

Affected systems

Układ chłodzenia silnikaDeska rozdzielcza (wskaźniki)Moduł sterujący silnikiem (PCM/ECM)

Related codes

P0650Wysoki

Kod błędu P0650 oznacza nieprawidłowe działanie obwodu sterowania lampką sygnalizacyjną awarii (MIL), czyli obwodu kontrolki Check Engine.

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Does code P0655 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.