C0455Wysoki
Kod C0455 oznacza usterkę w obwodzie elektrycznym silnika wspomagania kierownicy.
Podwozie
Sprawdź szczegóły →C0450
WysokiFault in the power steering system (EPS). The electric power steering control module has detected an abnormality in the actuator or torque sensor circuit.
OBD-II (EN): Electric Power Steering System Fault
Code C0450 signals a fault in the electric power steering system (EPS). Causes may include a faulty torque sensor, a damaged EPS control module, or an electrical wiring issue. Due to the direct impact on vehicle controllability, immediate diagnosis at an authorized service center is recommended.
Symptoms
• Heavy or uneven power steering assist • EPS / Power Steering warning light illuminated on the dashboard • Increased force required to turn the steering wheel, especially at low speeds • Intermittent or complete loss of power assist • Possible audible warning or message on the MFD display
Possible causes
• Faulty electric power steering motor (EPS motor) or its power supply circuit • Defective torque sensor on the steering column • Malfunction of the EPS control module (EPS ECU/Control Module) • Open or short circuit in the wiring harness connecting the EPS module to sensors • Low supply voltage (<11.5 V) — discharged battery or faulty alternator • Damaged ground connections for the EPS module
Affected systems
Elektryczne wspomaganie kierownicy (EPS)Kolumna kierownicyCzujnik momentu skrętuModuł sterujący EPSInstalacja elektryczna / CAN Bus
Related codes
Code C0450 appears in these brands
Go to messages and symptoms for your brand — there we analyze this code together with other typical alerts.
Does code C0450 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.