OBD Guide

U1418

Implausible Left Wheel Distance Signal Received

U1418 is an OBD-II diagnostic trouble code meaning: Implausible Left Wheel Distance Signal Received. Common causes: wheel position sensor malfunction, damage to the wiring to the sensor. Estimated repair cost: $17–56.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Check Engine Light Is On
  • Incorrect operation of the tire pressure monitoring system
  • Errors in stabilization systems (ESP, ABS)
  • Incorrect odometer readings
  • Cruise control malfunctions

Causes

  • Wheel position sensor malfunction
  • Damage to the wiring to the sensor
  • Problems with the control module
  • Mechanical damage to the wheel or suspension
  • Incorrect system calibration

How to Fix

  1. Check the condition of the left wheel position sensor
  2. Test the integrity of the wiring harness to the sensor
  3. Read fault codes in other systems (ABS, ESP)
  4. Calibrate the wheel control system
  5. Replace the faulty sensor if necessary

Related codes

FAQ

What does the U1418 code mean?

U1418 is an OBD-II diagnostic trouble code that indicates: Implausible Left Wheel Distance Signal Received

What causes a U1418 error code?

The most common causes of U1418 include: Wheel position sensor malfunction; Damage to the wiring to the sensor; Problems with the control module; Mechanical damage to the wheel or suspension.

How do I fix a U1418 diagnostic trouble code?

To fix U1418: Check the condition of the left wheel position sensor. Test the integrity of the wiring harness to the sensor. Read fault codes in other systems (ABS, ESP). For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U1418?

Yes, but get it checked soon

How much does it cost to fix U1418?

The estimated repair cost for U1418 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat