What does code C0040 mean?

Right Front Wheel Speed Sensor Circuit: The right front ABS wheel speed sensor circuit has a fault.

C0040 is rated as high severity. Address soon — may cause further damage.

C0040

Right Front Wheel Speed Sensor Circuit

Chassis Code · High

What does C0040 mean?

The right front ABS wheel speed sensor circuit has a fault.

System: ABS

C0040 is a chassis diagnostic trouble code indicating right front wheel speed sensor circuit. This code is classified as high severity, which means: address soon — may cause further damage.

Diagnostic data on this page is compiled from publicly available repair resources and technical service bulletins. Always have a qualified mechanic confirm the diagnosis before authorizing repairs on your vehicle.