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P3486 Powertrain

Cylinder 11 Exhaust Valve Control Circuit Performance

Per-cylinder exhaust valve control on cylinder 11 does not respond as commanded. Mechanical issue at the deactivation actuator for that cylinder.

Affected components

  • Cyl11 exhaust valve actuator
  • Hydraulic pin

Common causes

  • High likelihood: Actuator stuck mechanically

Diagnostic notes

  • The malfunction indicator lamp may illuminate
  • This code can affect emissions
  • A drive cycle may be required after repair

Sources

Diagnostic information is provided for reference only. Confirm the code with a compatible scan tool and follow the vehicle manufacturer's service procedures before replacing components.

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