OBD Guide

U02B0

Lost Communication With Turbocharger/Supercharger Boost Control B Position Sensor

U02B0 is an OBD-II diagnostic trouble code meaning: Lost Communication With Turbocharger/Supercharger Boost Control B Position Sensor. Common causes: position sensor b fault, open or short circuit in the sensor circuit. Estimated repair cost: $28–89.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$28–89 (est.)

Symptoms

  • Reduced engine power
  • Check Engine Light Illuminates
  • Unstable engine operation
  • Increased fuel consumption
  • Turbocharging does not work correctly

Causes

  • Position sensor B fault
  • Open or short circuit in the sensor circuit
  • Poor contact in the sensor connector
  • Sensor power problems
  • Engine control unit malfunction

How to Fix

  1. Check the integrity of the wiring to the sensor
  2. Check connections and contacts in the sensor connector
  3. Check the power supply and ground of the sensor
  4. Test position sensor B
  5. Replace the faulty sensor if necessary

Related codes

Error U02B0 by Vehicle Brand

FAQ

What does the U02B0 code mean?

U02B0 is an OBD-II diagnostic trouble code that indicates: Lost Communication With Turbocharger/Supercharger Boost Control B Position Sensor

What causes a U02B0 error code?

The most common causes of U02B0 include: Position sensor B fault; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Sensor power problems.

How do I fix a U02B0 diagnostic trouble code?

To fix U02B0: Check the integrity of the wiring to the sensor. Check connections and contacts in the sensor connector. Check the power supply and ground of the sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U02B0?

Limited driving only, diagnose soon

How much does it cost to fix U02B0?

The estimated repair cost for U02B0 is $28–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat