Code result

P201C

Intake Manifold Runner Control Actuator Supply Voltage Low

Moderate severity

What it means

The supply voltage feeding the IMRC actuator on bank 2 is below the lower limit — typically a fuse, relay, or harness fault on the supply rail.

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

  • Supply fuse blown

    high

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

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