OBD Guide
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U11CA

Lost Right Front Wheel Speed Message

U11CA is an OBD-II diagnostic trouble code meaning: Lost Right Front Wheel Speed Message. Common causes: wheel speed sensor malfunction, broken or shorted wiring. Estimated repair cost: $17–56.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • The ABS/ESP indicator on the dashboard is on
  • Disabling the stabilization system
  • Anti-lock brake system does not work
  • Errors in related systems (eg cruise control)

Causes

  • Wheel speed sensor malfunction
  • Broken or shorted wiring
  • Poor contact in the sensor connector
  • Damage to the gear rotor (comb)
  • Problems with the ABS ECU

How to Fix

  1. Check the integrity of the wheel speed sensor
  2. Inspect the wiring harness and connectors for damage.
  3. Check the condition of the gear rotor
  4. Scan the system for other errors
  5. Replace sensor if necessary

Related codes

U11C8U11C9U11CB

FAQ

What does the U11CA code mean?

U11CA is an OBD-II diagnostic trouble code that indicates: Lost Right Front Wheel Speed Message

What causes a U11CA error code?

The most common causes of U11CA include: Wheel speed sensor malfunction; Broken or shorted wiring; Poor contact in the sensor connector; Damage to the gear rotor (comb).

How do I fix a U11CA diagnostic trouble code?

To fix U11CA: Check the integrity of the wheel speed sensor. Inspect the wiring harness and connectors for damage.. Check the condition of the gear rotor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U11CA?

Limited driving only, diagnose soon

How much does it cost to fix U11CA?

The estimated repair cost for U11CA is $17–56. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat