OBD Guide

P2599

Turbocharger Boost Control Position Sensor A Performance - Stuck High

Severity
⚠️ Medium
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$28–167 (est.)

Symptoms

  • Reduced engine power
  • Check Engine light comes on
  • Abnormal noise from turbocharger
  • Increased fuel consumption
  • The engine is running in emergency mode

Causes

  • Stuck turbocharger boost control mechanism
  • Boost control position sensor malfunction
  • Damage to sensor wiring or connectors
  • Turbine control vacuum hose problems (if applicable)
  • Boost control solenoid valve malfunction

How to Fix

  1. Check the boost control position sensor wiring and connectors for damage.
  2. Check the turbine control vacuum hoses for leaks or damage (if applicable).
  3. Check the turbocharger boost control mechanism for binding or damage.
  4. Replace the boost control position sensor if it is faulty.
  5. Check the boost control solenoid valve for proper operation.

Related codes

Error P2599 by Vehicle Brand