P2586 critical

Turbocharger Wastegate Control Solenoid Circuit High

The P2586 code means the vehicle's onboard diagnostic system has detected: Turbocharger Wastegate Control Solenoid Circuit High. This is a critical severity code.

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Keep driving?
No -- stop driving
DIY difficulty
hard
Estimated cost
$300 - $800 (parts and labor)
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Common Symptoms

  • Check Engine Light on
  • Turbo overboost condition
  • Engine enters emergency limp mode
  • Possible engine knock or detonation
  • Strong exhaust smell

Probable Causes (Ranked by Likelihood)

  • Short to battery voltage in wastegate solenoid wiring Very High
  • Wastegate stuck closed causing overboost High
  • Failed wastegate control solenoid energized continuously Moderate
  • PCM output stuck high Low

Step-by-Step Diagnostic Procedure

  1. Read freeze frame data and confirm P2586 is stored

  2. Immediately check boost pressure for overboost condition

  3. Inspect wastegate solenoid wiring for short to battery power

  4. Test wastegate mechanical operation manually

Frequently Asked Questions

What does P2586 mean?

P2586 indicates a problem with the turbocharger wastegate control solenoid circuit high. The PCM has detected an issue that may affect turbocharger boost control and engine performance.

Can I drive with a P2586 code?

Driving is not recommended due to potential overboost conditions that could damage the engine.

How much does it cost to fix P2586?

Repairs typically cost $300 - $800, depending on whether the issue is sensor, wiring, or actuator related.

Sources

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

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