OBD Guide

U0675

Lost Communication With Turbocharger/Supercharger Speed Sensor A

U0675 is an OBD-II diagnostic trouble code meaning: Lost Communication With Turbocharger/Supercharger Speed Sensor A. Common causes: turbocharger speed sensor malfunction, open or short circuit in wiring. Estimated repair cost: $39–94.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$39–94 (est.)

Symptoms

  • Reduced engine power
  • Increased fuel consumption
  • Check Engine Light Is On
  • Activation of emergency operation
  • Jerking during acceleration

Causes

  • Turbocharger speed sensor malfunction
  • Open or short circuit in wiring
  • Oxidized sensor connector contacts
  • Problems with the engine control unit
  • Mechanical damage to the wiring harness

How to Fix

  1. Check the condition of the sensor wiring and connectors
  2. Test turbocharger speed sensor
  3. Replace damaged wires or connectors
  4. If necessary, replace the turbocharger speed sensor
  5. Reset error and test drive

Related codes

Error U0675 by Vehicle Brand

FAQ

What does the U0675 code mean?

U0675 is an OBD-II diagnostic trouble code that indicates: Lost Communication With Turbocharger/Supercharger Speed Sensor A

What causes a U0675 error code?

The most common causes of U0675 include: Turbocharger speed sensor malfunction; Open or short circuit in wiring; Oxidized sensor connector contacts; Problems with the engine control unit.

How do I fix a U0675 diagnostic trouble code?

To fix U0675: Check the condition of the sensor wiring and connectors. Test turbocharger speed sensor. Replace damaged wires or connectors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U0675?

Limited driving only, diagnose soon

How much does it cost to fix U0675?

The estimated repair cost for U0675 is $39–94. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat