C0037

Q: What does OBD2 code C0037 mean?

C0037 means: Left Rear Wheel Speed Sensor Circuit. Learn about OBDtrouble code C0037: Left Rear Wheel Speed Sensor Circuit. Find causes, symptoms, and step-by-step repair solutions.

Left Rear Wheel Speed Sensor Circuit

Learn about OBDtrouble code C0037: Left Rear Wheel Speed Sensor Circuit. Find causes, symptoms, and step-by-step repair solutions.

SeverityCritical

CategoryABS / Brakes

Est. Repair Cost$100–$400

Code TypeChassis

DIY RepairYes

⚡ Common Causes

›Failed left rear WSS
›Wiring damage
›Bearing tone ring damaged

⚠️ Symptoms

›ABS light
›Traction control off

✅ How to Fix — Step by Step

Step 1:Check sensor and harness
Step 2:Inspect tone ring
Step 3:Replace sensor

Repair Cost Estimate

Full Repair Estimate

$100–$400

DIY Possible?

YES

Severity

Critical

Frequently Asked Questions

What does OBD2 code C0037 mean?+

C0037 stands for Left Rear Wheel Speed Sensor Circuit. Learn about OBDtrouble code C0037: Left Rear Wheel Speed Sensor Circuit. Find causes, symptoms, and step-by-step repair solutions.

What causes code C0037?+

Failed left rear WSS; Wiring damage; Bearing tone ring damaged

How do I fix code C0037?+

Check sensor and harness; Inspect tone ring; Replace sensor

How much does it cost to fix C0037?+

Estimated repair cost for C0037 is $100–$400.

Is C0037 DIY-friendly?+

Yes — C0037 is generally DIY-friendly with basic tools.