Obdaryn

C1555EPS motor relay stuck (welded)

  • Toyota/Lexus code · Power steering
  • Lights a warning lamp
How the car detects it
The motor relay inside the EPS unit appears stuck closed, so assistance stops. When the power steering limits or stops its assistance, the steering becomes heavy but still works mechanically.
What you may notice
  • P/S (power steering) warning light
  • Heavy steering
Likely causes
  • PossibleEPS control unit

From Obdaryn's Toyota/Lexus pack, exactly as the app shows it, with the public sources above. Guidance only; confirm with a workshop.