Code result

P2593

Turbocharger Speed Sensor B Circuit

Moderate severity

What it means

General electrical fault on the second turbocharger speed sensor B — used on twin-turbo, sequential or two-stage installations to read the second compressor shaft speed. Same role as sensor A on the 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

  • Open or shorted wiring

    high

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

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