Code result

P2587

Turbocharger Boost Control Position Sensor B Circuit Range/Performance

Moderate severity

What it means

Position sensor B is electrically intact, but the reading does not track sensor A or the actuator-command model. Often a misaligned redundant sensor or aged element on a second turbo.

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

  • Sensor mounting misaligned after service

    high

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

  • Aged Hall element

    medium

    A plausible cause — test and verify before replacing parts.

  • Sensor element aged beyond calibration window

    low

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

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