C1511 fault code: what it means

C1511: Electric power steering torque sensor 1 fault on a Lexus. Steering assist may switch off.

Chassis (brakes, steering, suspension) · Costly if missed

Usual causes, most likely first

failed torque sensor in the column
torque sensor wiring fault
EPS ECU fault

C1511 by make

Lexus

Electric power steering torque sensor 1 fault on a Lexus. Steering assist may switch off.

Usual causes: failed torque sensor in the column; torque sensor wiring fault; EPS ECU fault

Subaru

VDC valve relay fault. ABS, EBD, VDC, hill hold and EyeSight braking are disabled.

Usual causes: VDC hydraulic unit (internal relay); power supply fuse or wiring

Toyota

Electric power steering torque sensor 1 fault. Power assist may switch off, giving very heavy steering.

Usual causes: failed torque sensor in the steering column; torque sensor wiring fault; EPS ECU fault

What the repair usually costs

ABS pump / control module replacement (reman exchange or new)NZ$850–NZ$3,210 · A$780–A$2,880
Electric power steering fault (column, motor or sensor)NZ$930–NZ$3,430 · A$850–A$3,230
Power steering fluid flushNZ$90–NZ$210 · A$90–A$220

Not sure what C1511 means on your car? Ask Credov.

Before you clear it

Write the code down or photograph the scanner first. A code that comes straight back after clearing points to a fault that is still there. A car whose codes were cleared just before you arrived may be hiding one: the scanner's readiness monitors show "not ready" for a while after codes are cleared.

Researched by Credov from manufacturer and workshop sources. A fault code points to where a fault may be; a workshop confirms it with a diagnosis. Browse all fault codes.