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C0050 — ABS 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 ($499) if controller is at fault.

AML services that fix this

Mail in the affected module and we repair it on the bench: about a week on the bench (2–3 business days with rush repair). Flat pricing, flat-rate return shipping at checkout.

ABS Module Repair

$499

ABS warning, brake lights, or traction control faults? Ship your ABS module for repair + reprogram.

Service details

Related diagnostic codes

B0028Airbag deployed — SRS module crash data storedB1004SRS Module Internal Failure / Crash Data StoredC0040ABS Module Internal FailureABS no communicationABS module fails to respond to OBD scannerCluster mileage mismatchReplacement cluster shows wrong mileageRKE not respondingRemote keyless entry not working — module dead

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.

Text Us (817) 678-3252