OBD Guide

P2597

Turbocharger Speed Sensor B Circuit Intermittent

P2597 is an OBD-II diagnostic trouble code meaning: Turbocharger Speed Sensor B Circuit Intermittent. Common causes: open or short circuit in the sensor circuit, poor contact in sensor connectors. Estimated repair cost: $33–89.

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

Symptoms

  • Reduced engine power
  • Unstable engine operation
  • Check Engine light comes on
  • Increased fuel consumption
  • Turbo lag (turbine response delay)

Causes

  • Open or short circuit in the sensor circuit
  • Poor contact in sensor connectors
  • Turbocharger B speed sensor malfunction
  • Interference in the electrical system
  • Problems with the engine ECU

How to Fix

  1. Check the integrity of the sensor wiring and connectors
  2. Check the resistance and voltage at the sensor
  3. Replace turbocharger speed sensor B if necessary
  4. Check and clean connector contacts
  5. Flash or replace the ECU if a fault is detected

Related codes

Error P2597 by Vehicle Brand

FAQ

What does the P2597 code mean?

P2597 is an OBD-II diagnostic trouble code that indicates: Turbocharger Speed Sensor B Circuit Intermittent

What causes a P2597 error code?

The most common causes of P2597 include: Open or short circuit in the sensor circuit; Poor contact in sensor connectors; Turbocharger B speed sensor malfunction; Interference in the electrical system.

How do I fix a P2597 diagnostic trouble code?

To fix P2597: Check the integrity of the sensor wiring and connectors. Check the resistance and voltage at the sensor. Replace turbocharger speed sensor B if necessary. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2597?

Limited driving only, diagnose soon

How much does it cost to fix P2597?

The estimated repair cost for P2597 is $33–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat