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C1104 fault code: what it means

C1104: ABS wheel speed sensor circuit fault, front left wheel (open/short or low supply). ABS, VDC and traction lights come on; normal brakes still work.

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

Usual causes, most likely first

  1. wheel speed sensor faulty
  2. sensor wiring damaged or connector corroded
  3. ABS actuator/control unit

C1104 by make

Nissan

ABS wheel speed sensor circuit fault, front left wheel (open/short or low supply). ABS, VDC and traction lights come on; normal brakes still work.

Usual causes: wheel speed sensor faulty; sensor wiring damaged or connector corroded; ABS actuator/control unit

What the repair usually costs

Not sure what C1104 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.