P2597

What it means

Turbo speed sensor B signal jumps or drops out — vibration, oil mist or chafed wiring at the second turbo.

Is it safe to drive?

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

• Oil mist on the sensor tip

  high

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

• Connector with intermittent contact under vibration

  low

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

• Harness routed against vibrating component

  low

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

Related help

• Full P2597 diagnosis, causes & costs
• How to read check engine light codes
• Is it safe to drive with the light on?