Throttle Body Motor: Circuit Fault (P2100) (Solution)

P2100 - Throttle control motor, circuit malfunction.

Possible symptoms:
- Power loss

Possible causes:
- Faulty wiring or connector (open circuit or short circuit).
- Throttle body module failure.
- Very rare: Engine control unit (ECU) failure.

Solutions:
- Check the wiring and connectors.
- Check the throttle control module (TCM).
- Replace the engine control unit (for testing purposes).

See also: https://community.dieselschrauber.org/en/viewtopic.php?t=26107