C0031

Left Front Wheel Speed Sensor Circuit Intermittent

Severity: Medium ABS/Chassis Control Generic OBD-II Code Est. Repair: $80 - $300

Schedule diagnosis soon. Continued driving may worsen the issue.

Quick Answer

C0031 means “Left Front Wheel Speed Sensor Circuit Intermittent.” Severity: Medium. Estimated repair cost: $80 - $300. Most common sign: Intermittent ABS/traction control warning light, often worse over bumps.

What Does C0031 Mean?

Left front wheel speed sensor signal cuts out intermittently (companion to the existing C0035 constant-fault code).

Common Symptoms

Intermittent ABS/traction control warning light, often worse over bumps

Possible Causes

Loose/corroded connector
Damaged wiring (common from road salt/debris)
Failing sensor

How to Fix C0031 – Repair Guide

Inspect connector and wiring, especially near the wheel well
Replace sensor if intermittent under vibration
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Budgeting for This Repair?

A typical C0031 repair runs about $80 - $300. If you'd rather spread the cost over time, estimate the payment with our free sister tool: Car Finance Calculator (50-state sales tax, trade-in equity, full amortization).

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Disclaimer: Information is for educational reference only and does not replace professional diagnosis. Actual causes and costs vary by vehicle make, model, year and condition. Always verify with a qualified technician.