C1521Short in the assist motor circuit
- Toyota/Lexus code · Power steering
- Lights a warning lamp
- How the car detects it
- The EPS unit detected a short circuit in the electric assist motor circuit and stops assisting. 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
- PossibleWiring or connector between EPS unit and motor
- PossibleAssist motor (part of the column)
- RareEPS control unit
- Sources
Backed by at least two independent sources.
From Obdaryn's Toyota/Lexus pack, exactly as the app shows it, with the public sources above. Guidance only; confirm with a workshop.