UNIVERSAL · DTC LOOKUP

C0050ABS rear wheel speed sensor fault

Universal diagnostic code. Below: what it means, common causes, symptoms, and the exact bench-programming fix path.

Common causes

  • Rear speed sensor fault
  • Tone ring damage
  • Controller IC fault

Symptoms you'll see

  • ABS light
  • Rear sensor missing data

The fix path

Sensors + tone rings first. ABS Module Repair ($250) if controller is at fault.

AML services that fix this

Mail in the affected module, we bench-program, ship back next business day. Flat pricing, return shipping included.

Related diagnostic codes

Not sure which service applies?

Text us your year/make/model + which scanner caught the code — we'll tell you exactly which module to ship and which service to pick.