Code result

P2107

Throttle Actuator Control Module Internal Processor

High severity

What it means

The internal processor or watchdog of the throttle actuator control module reports an internal fault. Communication between the TAC monitor core and the main ECU core has failed plausibility — typical for a defective ECU.

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

  • ECU internal processor fault

    high

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

  • ECU software flash corrupted

    low

    Less common, but worth ruling out after the more likely causes.

  • Module software outdated, reflash may resolve

    low

    Less common, but worth ruling out after the more likely causes.

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