OBD Guide

P2AB7

Wastegate Position Sensor A Circuit

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$33–89 (est.)

Symptoms

  • Reduced engine power
  • Engine transition to emergency mode
  • Unstable turbine operation
  • Check Engine Light Illuminates
  • Increased fuel consumption

Causes

  • Open or short circuit in the sensor circuit
  • Poor contact in the sensor connector
  • Wastegate position sensor malfunction
  • Wastegate Mechanical Problems
  • Wiring Harness Problems

How to Fix

  1. Check the integrity of the sensor circuit
  2. Inspect connectors and contacts for oxidation
  3. Check the resistance of the position sensor
  4. If necessary, replace the wastegate position sensor
  5. Check the mechanical operation of the wastegate

Related codes

Error P2AB7 by Vehicle Brand