P2598 moderate

Turbocharger Recirculation Valve Control Circuit High

The P2598 code means the vehicle's onboard diagnostic system has detected: Turbocharger Recirculation Valve Control Circuit High. This is a moderate severity code.

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Keep driving?
Short distances only
DIY difficulty
moderate
Estimated cost
$150 - $400 (parts and labor)
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Common Symptoms

  • Check Engine Light on
  • Recirculation valve stuck closed
  • Compressor surge on deceleration
  • Harsh flutter noise from turbo area
  • Potential turbo bearing damage over time

Probable Causes (Ranked by Likelihood)

  • Short to power in recirculation valve wiring Very High
  • Failed recirculation valve solenoid High
  • Wiring melted near exhaust components Moderate
  • ECM/PCM output stuck high Low

Step-by-Step Diagnostic Procedure

  1. Read freeze frame data and confirm P2598 is present

  2. Measure recirculation valve circuit voltage at PCM

  3. Inspect wiring near turbo and exhaust for heat damage

  4. Disconnect valve and check if voltage drops

Frequently Asked Questions

What does P2598 mean?

P2598 indicates an issue with the turbocharger recirculation valve control circuit high. This affects the PCM's ability to properly control turbocharger boost levels.

Can I drive with a P2598 code?

You can drive short distances with reduced power. Have it repaired promptly to avoid further turbo system damage.

How much does it cost to fix P2598?

Repairs typically cost $150 - $400, depending on the specific component that has failed.

Sources

This page is built from documented references. Verify against your own service info before repair work.

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