AutoCodes – Generic – P2590

P2590 Code - Turbocharger Boost Control Position Sensor 'B' Circuit Intermittent/Erratic

Quick Answer

The Engine Control Module (ECM) monitors the Turbocharger Boost Control Position Sensor 'B' Circuit signal. Common causes include Faulty Turbocharger Boost Control Position Sensor, Turbocharger Boost Control Position Sensor harness is open or shorted, Turbocharger Boost Control Position Sensor circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means: P2590 indicates Turbocharger Boost Control Position Sensor 'B' Circuit Intermittent/Erratic.
Common causes: Common causes include Faulty Turbocharger Boost Control Position Sensor, Turbocharger Boost Control Position Sensor harness is open or shorted, Turbocharger Boost Control Position Sensor circuit poor electrical connection.
Severity: High - diagnose this code as soon as possible.
Can I drive?: Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

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Code Popularity 6,987

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jan 18, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
Comments
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Code P2590 Description

The Engine Control Module (ECM) monitors the Turbocharger Boost Control Position Sensor 'B' Circuit signal. The ECM sets the OBDII code when the Turbocharger Boost Control Position Sensor 'B' is out of factory specifications.

OBDII Code P2590 - Turbocharger Boost Control Position Sensor 'B' Circuit Intermittent/Erratic - AutoCodes.com — P2590 Code - Turbocharger Boost Control Position Sensor 'B' Circuit Intermittent/Erratic

What does this mean?

What are the Possible Causes of the DTC P2590?

Faulty Turbocharger Boost Control Position Sensor
Turbocharger Boost Control Position Sensor harness is open or shorted
Turbocharger Boost Control Position Sensor circuit poor electrical connection

How to Fix the DTC P2590?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P2590 code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

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Information for Specific Makes

P2590 Chevrolet — Turbocharger Boost Control Position Sensor 'B' Circuit Intermittent/Erratic
P2590 Dodge — Turbocharger Boost Control Position Sensor 'B' Circuit Intermittent/Erratic
P2590 Ford — Turbocharger Boost Control Position Sensor 'B' Circuit Intermittent/Erratic
P2590 GMC — Turbocharger Boost Control Position Sensor 'B' Circuit Intermittent/Erratic

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.