C0050
Medium SeverityRight Rear Wheel Speed Sensor Circuit
Chassis/Brakes System
C0050 — Instant Answer
Right Rear Wheel Speed Sensor Circuit
Severity: MEDIUM SEVERITY
Meaning: Right rear wheel speed sensor signal lost.
Safe to drive? Usually yes with caution, but confirm root cause before long trips.
Estimated repair cost: $20 - $60
Most common causes:
- 1. Failed sensor (35-45% of cases)
- 2. Wiring damage (35-45% of cases)
Symptoms
- ⚠️ABS light
- ⚠️Traction control off
Common Causes
How to Diagnose C0050
- 1Inspect sensor
- 2Check wiring along axle
- 3Replace sensor
OEM Diagnostic Flowchart
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C0050 requires a scanner that reads chassis modules — basic code readers won't see it.
ArtiLink600
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DIYers working on ABS/airbag systems
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ArtiDiag900 Lite
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Serious DIYers and side-hustle mechanics
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View supporting tool options
OBD2 scanner
Read codes and freeze-frame data before you guess at the fault.
Most diagnostic jobs start with a scan tool and a verified code path.
Shop on Amazon →Battery tester
Check cranking and charging health before replacing expensive parts.
A weak battery can mimic alternator or starter problems.
Shop on Amazon →Multimeter kit
Confirm voltage, continuity, and sensor power with one simple kit.
A meter is the cheapest way to rule out a bad circuit fast.
Shop on Amazon →Related Codes
Frequently Asked Questions
- Why do rear sensors fail?
- Rear sensors are exposed to road spray, salt, and debris. Wiring runs along the axle and can be damaged.
- Will this affect my brakes?
- Normal brakes work fine. Only ABS, traction control, and stability control are affected.
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Author & Review
Written by AllOEMManuals Editorial Team. Reviewed by ASE-certified technicians and updated with factory-reference checks for fitment-sensitive steps.
This guide was drafted with AI assistance and reviewed for accuracy by a human editor.
Last updated: 2026-05-07