Code result

P0821

Gear Lever X Position Sensor 1 Circuit

Moderate severity

What it means

General electrical fault on the X-axis (left/right) position sensor 1 of an electronic gear lever. Used in stick-shift-by-wire systems where the lever is decoded into X/Y coordinates rather than discrete switches.

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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