OBD Guide

P2B94

Wastegate Position Sensor B Exceeded Learning Limit

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$33–133 (est.)

Symptoms

  • Reduced engine power
  • Unstable turbine operation
  • Check Engine Light Illuminates
  • Dips during acceleration
  • Increased fuel consumption

Causes

  • Wastegate position sensor malfunction
  • Mechanical jamming of turbine wastegate
  • Sensor wiring problems
  • Poor contact in the sensor connector
  • Engine control unit malfunction

How to Fix

  1. Check the mechanical part of the wastegate for binding
  2. Check the status of the position sensor
  3. Check the integrity of wiring and contacts
  4. Replace position sensor if necessary
  5. Perform system retraining procedure

Related codes

Error P2B94 by Vehicle Brand