OBD Guide

C101F

Right Front Wheel Speed Comparative Performance

C101F is an OBD-II diagnostic trouble code meaning: Right Front Wheel Speed Comparative Performance. Common causes: damage to the wheel speed sensor, impulse ring is dirty or damaged. Estimated repair cost: $33–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$33–167 (est.)

Symptoms

  • ABS/ESP indicator lights up
  • Disabling the cruise control system
  • Incorrect operation of the anti-lock braking system

Causes

  • Damage to the wheel speed sensor
  • Impulse ring is dirty or damaged
  • Wiring Harness Problems
  • Difference in tire pressure or wear
  • Mechanical damage to the hub

How to Fix

  1. Check the condition of the right front wheel speed sensor
  2. Inspect the impulse ring for damage
  3. Conduct sensor resistance and voltage diagnostics
  4. Check the integrity of the wiring harness
  5. Compare wear and pressure of all tires

Related codes

FAQ

What does the C101F code mean?

C101F is an OBD-II diagnostic trouble code that indicates: Right Front Wheel Speed Comparative Performance

What causes a C101F error code?

The most common causes of C101F include: Damage to the wheel speed sensor; Impulse ring is dirty or damaged; Wiring Harness Problems; Difference in tire pressure or wear.

How do I fix a C101F diagnostic trouble code?

To fix C101F: Check the condition of the right front wheel speed sensor. Inspect the impulse ring for damage. Conduct sensor resistance and voltage diagnostics. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C101F?

Limited driving only, diagnose soon

How much does it cost to fix C101F?

The estimated repair cost for C101F is $33–167. Actual cost depends on your vehicle, location, and labor rates.

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