Code result

P2100

Throttle Actuator Control Motor Circuit Open

High severity

What it means

The drive-by-wire throttle motor circuit is open — no current flow detected. The ECU loses authority over the throttle plate and forces a limp-home with reduced power.

Is it safe to drive?

No — stop driving

This code can put the vehicle into limp or reduced-power mode. Avoid extended driving and have the vehicle diagnosed promptly.

Most likely causes

  • Throttle motor failed

    high

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

  • Connector loose or corroded

    medium

    A plausible cause — test and verify before replacing parts.

  • Wiring break to throttle body

    medium

    A plausible cause — test and verify before replacing parts.

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