OBD Guide
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C1042

Right Front Tone Wheel Performance

C1042 is an OBD-II diagnostic trouble code meaning: Right Front Tone Wheel Performance. Common causes: damage to the tone ring, tone ring is dirty. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Activating the ABS/ESP indicator on the dashboard
  • Disabling the ABS/ESP system
  • Incorrect speed readings on the speedometer
  • Vibration when braking

Causes

  • Damage to the tone ring
  • Tone ring is dirty
  • Wheel speed sensor malfunction
  • Problems with the sensor wiring harness
  • Corroded or loose fasteners

How to Fix

  1. Visually inspect the tone ring for damage.
  2. Clean the tone ring from dirt
  3. Check wheel speed sensor
  4. Check the integrity of the wiring harness
  5. Replace tone ring or sensor if necessary

Related codes

C1041C1043C1044

FAQ

What does the C1042 code mean?

C1042 is an OBD-II diagnostic trouble code that indicates: Right Front Tone Wheel Performance

What causes a C1042 error code?

The most common causes of C1042 include: Damage to the tone ring; Tone ring is dirty; Wheel speed sensor malfunction; Problems with the sensor wiring harness.

How do I fix a C1042 diagnostic trouble code?

To fix C1042: Visually inspect the tone ring for damage.. Clean the tone ring from dirt. Check wheel speed sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C1042?

Limited driving only, diagnose soon

How much does it cost to fix C1042?

The estimated repair cost for C1042 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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