Code result

P0512

Starter Request Circuit

Moderate severity

What it means

The starter request input - the signal that tells the ECU the driver wants to crank the engine - shows a circuit fault. Without it the engine cannot be started under software-managed start strategies (stop-start, push-button, immobiliser-coordinated start).

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 in switch or harness

    high

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

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