Code result

P340B

Deactivation/Intake Valve Control Circuit Bank 2

Moderate severity

What it means

Generic electrical fault on the cylinder deactivation/intake valve control circuit on bank 2.

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

  • Deactivation solenoid failed

    high

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

  • Wiring break or unplugged connector

    medium

    A plausible cause — test and verify before replacing parts.

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