P2101: Throttle Actuator Control Motor Circuit Range/Performance
Short answer: P2101 means “Throttle Actuator Control Motor Circuit Range/Performance”. It is a standard OBD-II code, so the basic meaning is the same on every car. Below is what it means on each of the 6 cars we cover, with a link to the full page for each car.
Standard OBD-II code Same meaning on all cars (SAE J2012).
P2101 on each car
| Car | Meaning on this car | Confidence |
|---|---|---|
| Toyota Passo (1st gen) | Throttle Actuator Control Motor Circuit Range/Performance | low |
| Toyota Corolla (11th gen, E170) | Throttle Actuator Control Motor Circuit Range/Performance | medium |
| Toyota Corolla (10th gen, E140) | Throttle Actuator Control Motor Circuit Range/Performance | medium |
| Honda City (5th gen, GM2) | Throttle Actuator Control Motor Circuit Range/Performance | medium |
| Honda Civic (10th gen, FC) | Throttle Actuator Control Motor Circuit Range/Performance | medium |
| Suzuki Wagon R (Pakistan, K10B) | Throttle Actuator Control Motor Circuit Range/Performance | medium |
Symptoms
- Check engine light on
Likely causes
- Typically the causes for this code to set are
- Open or short in the circuit to the Throttle Actuator - likely
- Failed Throttle Actuator - inoperative (mechanically or electrically) - likely
- Failed PCM - unlikely
What to check, in order
- Read the code with an OBD-II scanner
- Check the throttle body and pedal sensor connectors
- Clean a dirty throttle body; do not force the valve by hand
- Clear the code; some cars need an idle relearn after cleaning
Causes and checks above are the general meaning. The exact test steps and values differ by car: open your car’s page.