Code result

P257E

Engine Hood Switch Circuit Low

Moderate severity

What it means

The hood switch input reads stuck low — short to ground or stuck-closed switch. The body controller may treat the hood as permanently open and refuse to arm the alarm or close the HV interlock.

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

  • Switch wire 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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