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
$99
DIYers working on ABS/airbag systems
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ArtiDiag900 Lite
$299.24
Serious DIYers and side-hustle mechanics
View on TOPDONGot a repair estimate for C0050? Check if the quote is fair before ordering parts.
Parts & Tools for This Job
Common parts shoppers buy for C0050 Right Rear Wheel Speed Sensor Circuit.
Brake Pads
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Brake Rotors
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ABS Sensor
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Brake Fluid
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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.
Check SpecificationsBattery tester
Check cranking and charging health before replacing expensive parts.
A weak battery can mimic alternator or starter problems.
Check SpecificationsMultimeter kit
Confirm voltage, continuity, and sensor power with one simple kit.
A meter is the cheapest way to rule out a bad circuit fast.
Check SpecificationsRelated Resources
Repair guides, symptom pages, and wiring diagrams related to C0050.
OEM Manual Evidence
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A L L Diagnostic Trouble Codes ( DTC ) — 2013 Buick LaCrosse FWD L4-2.4L Service Manual ~ LEMON Manuals LEMON Manuals: Repair Knowledge Rei...
Exact Vehicle Hubs
Browse →Open the exact vehicle hub grounded by OEM manual evidence related to C0050.
Open the exact vehicle hub grounded by OEM manual evidence related to C0050.
Open the exact vehicle hub grounded by OEM manual evidence related to C0050.
Open the exact vehicle hub grounded by OEM manual evidence related to C0050.
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
Published by AllOEMManuals, founded by Lyndon Bedford, an automotive technician with 20 years of experience. He owned and operated a mechanic shop in Hurst, Texas from 2014 to 2022 and continues hands-on repair work.
Content may combine manual references, general repair templates, and AI-assisted drafting. Confirm the source, vehicle configuration, and applicability before working. Report corrections through our contact page.
Last updated: 2026-10-29