Code result

P2009

Intake Manifold Runner Control Solenoid Circuit Low

Moderate severity

What it means

The IMRC solenoid drive line for bank 1 reads below the lower threshold — short to ground or a failed driver stage. The runner cannot be switched on demand.

Is it safe to drive?

Use caution

The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical.

Most likely causes

  • Drive line shorted to ground

    high

    One of the most commonly reported causes for this code — check this first.

  • Solenoid internally shorted

    medium

    A plausible cause — test and verify before replacing parts.

  • Connector pins corroded - high contact resistance

    low

    Less common, but worth ruling out after the more likely causes.

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