Code result

P2437

AIR System Air Flow or Pressure Sensor Circuit Low Bank 2

Moderate severity

What it means

AIR System Air Flow or Pressure Sensor Circuit Low Bank 2: the signal voltage is below the expected range. Often a short to ground or high resistance in the wiring.

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

  • Signal shorted to ground

    high

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

  • Connector pins corroded - high contact resistance

    low

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

  • Harness chafing through insulation

    low

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

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