OBD Guide

P259D

Excessive Time To Enter Closed Loop Turbocharger B Boost Control

P259D is an OBD-II diagnostic trouble code meaning: Excessive Time To Enter Closed Loop Turbocharger B Boost Control. Common causes: seized or worn turbine blades, wastegate fault. Estimated repair cost: $22–167.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$22–167 (est.)

Symptoms

  • Reduced engine power
  • Uneven engine operation
  • Increased throttle response time
  • Check Engine Light Is On
  • Unstable boost pressure

Causes

  • Seized or worn turbine blades
  • Wastegate fault
  • Problems with the turbine vacuum control system
  • Contaminated or damaged control solenoid valves
  • Open or short circuit in control circuit

How to Fix

  1. Check the mechanical condition of the turbocharger
  2. Diagnose the operation of the bypass valve
  3. Check vacuum hoses for leaks
  4. Test control solenoid valves
  5. Check the integrity of wiring and connectors

Related codes

Error P259D by Vehicle Brand

FAQ

What does the P259D code mean?

P259D is an OBD-II diagnostic trouble code that indicates: Excessive Time To Enter Closed Loop Turbocharger B Boost Control

What causes a P259D error code?

The most common causes of P259D include: Seized or worn turbine blades; Wastegate fault; Problems with the turbine vacuum control system; Contaminated or damaged control solenoid valves.

How do I fix a P259D diagnostic trouble code?

To fix P259D: Check the mechanical condition of the turbocharger. Diagnose the operation of the bypass valve. Check vacuum hoses for leaks. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P259D?

Yes, but get it checked soon

How much does it cost to fix P259D?

The estimated repair cost for P259D is $22–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat