Code result

P26EF

Engine Sound Control B Circuit Performance

Moderate severity

What it means

The sound generator B circuit responds but the resulting acoustic feedback is not as expected.

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

  • Speaker cone damaged or coil shorted

    high

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

  • Feedback microphone drifts

    medium

    A plausible cause — test and verify before replacing parts.

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