C0041 critical

Right Front Wheel Speed Sensor Circuit Low

The C0041 code means the vehicle's onboard diagnostic system has detected: Right Front Wheel Speed Sensor Circuit Low. This is a critical severity code.

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Keep driving?
Short distances only
DIY difficulty
moderate
Estimated cost
$100 - $400 (parts and labor)
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Common Symptoms

  • ABS warning light on
  • Right Front wheel speed reads zero on scan tool
  • Traction control disabled
  • Stability control fault

Probable Causes (Ranked by Likelihood)

  • Failed right front wheel speed sensor Very High
  • Open circuit in right front sensor wiring High
  • Excessive sensor to tone ring air gap Moderate
  • Corroded sensor connector pins Low

Step-by-Step Diagnostic Procedure

  1. Check right front wheel speed sensor voltage output

  2. Measure sensor air gap to tone ring

  3. Inspect sensor connector for corrosion

  4. Compare wheel speed readings across all wheels

Common Fixes by Vehicle

What techs usually find when diagnosing C0041 on specific vehicles — tap your vehicle for the fix and the exact part:

2000-2018 GM & domestic trucks moderate DIY

Left rear wheel speed sensor circuit fault is commonly a damaged sensor or a chafed harness at the rear axle. Inspect the wiring along the axle and at the connector for rub-through. Replace the rear wheel speed sensor and secure the harness away from moving parts. Clean any metallic debris off the tone ring.

Labor: 1-2 hours
Common fix part Rear Wheel Speed Sensor (Left) View on Amazon→ Compare fitment at PartsGeek→

Frequently Asked Questions

What does code C0041 mean?

C0041 indicates a problem with the right front wheel speed sensor circuit causing low signal output.

Can I drive with code C0041?

You can drive short distances, but ABS and traction control will be disabled. Avoid slippery roads.

How much does it cost to fix C0041?

Wheel speed sensor repairs typically cost $100 to $400 including parts and labor.

Sources

This page is built from documented references. Verify against your own service info before repair work.

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