Code P0C55 appears in these brands
Go to messages and symptoms for your brand — there we analyze this code together with other typical alerts.
P0C55
WysokiDrive Motor 'B' Position Sensor Circuit Malfunction (Circuit 'A')
Code P0C55 indicates a problem with the position sensor circuit of drive motor 'B' in a hybrid or electric powertrain. This can lead to incorrect operation of the drive motor and illumination of the Check Engine light. Professional diagnosis at a workshop specializing in hybrid vehicles is recommended.
Symptoms
Check Engine light illumination General hybrid drive fault warning on the dashboard Power loss or complete failure of the drive motor Possible vehicle transition to fail-safe mode (limp mode) Increased fuel consumption in hybrids
Possible causes
Faulty drive motor 'B' rotor position sensor Open or shorted circuit in the sensor wiring harness Poor connection in the sensor connector Malfunction of the drive motor control module (MG2/Inverter) Mechanical damage to the sensor due to vibration or contamination
Affected systems
Układ napędu hybrydowegoSterownik silnika napędowego (MG2)Czujnik położenia wirnikaUkład elektryczny pojazdu hybrydowego
Sources and further reading
Does code P0C55 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.