OBD Guide

U140D

Implausible Wheel Speed Signal Received

U140D is an OBD-II diagnostic trouble code meaning: Implausible Wheel Speed Signal Received. Common causes: wheel speed sensor malfunction, damage to wiring or connectors. Estimated repair cost: $17–56.

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

Symptoms

  • ABS or ESP indicator is on
  • Incorrect operation of the ABS system
  • Errors in cruise control operation
  • Unstable speedometer operation
  • Activation of emergency operation

Causes

  • Wheel speed sensor malfunction
  • Damage to wiring or connectors
  • Contamination or damage to the ring gear on the hub
  • Problems with the ECU
  • Mechanical damage to the wheel or suspension

How to Fix

  1. Check the condition of the wheel speed sensors
  2. Inspect wiring and connectors for damage
  3. Check the condition of the ring gear on the hub
  4. Scan the system for other errors
  5. If necessary, replace the faulty sensor

Related codes

FAQ

What does the U140D code mean?

U140D is an OBD-II diagnostic trouble code that indicates: Implausible Wheel Speed Signal Received

What causes a U140D error code?

The most common causes of U140D include: Wheel speed sensor malfunction; Damage to wiring or connectors; Contamination or damage to the ring gear on the hub; Problems with the ECU.

How do I fix a U140D diagnostic trouble code?

To fix U140D: Check the condition of the wheel speed sensors. Inspect wiring and connectors for damage. Check the condition of the ring gear on the hub. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U140D?

Limited driving only, diagnose soon

How much does it cost to fix U140D?

The estimated repair cost for U140D is $17–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat