Throttle Actuator Control Motor Circuit Open
2019-2021 Tesla Model X Performance Dual Motor AWD
Description
Open circuit detected in the electronic throttle body motor drive circuit.
Symptoms
- Reduced power/limp mode
- Check engine light
- Throttle unresponsive
- Engine may not rev above idle
Common Causes
- Failed throttle body motor
- Broken wiring
- Corroded connector
- ECM driver failure
Diagnostic Steps
- Check throttle body connector
- Measure motor resistance (2-7 ohms typical)
- Inspect wiring to ECM
- Test ECM motor driver output
Repair Notes
Replace throttle body assembly or repair wiring. ECM replacement rarely needed.
Related Codes
Other Powertrain Codes
- P0070Ambient Air Temperature Sensor Circuit
- P0071Ambient Air Temperature Sensor Range/Performance
- P0072Ambient Air Temperature Sensor Circuit Low
- P0073Ambient Air Temperature Sensor Circuit High
- P0115Engine Coolant Temperature (ECT) Sensor 1 Circuit
- P0116ECT Sensor 1 Circuit Range/Performance
- P0117ECT Sensor 1 Circuit Low Input
- P0118ECT Sensor 1 Circuit High Input
- P0119ECT Sensor 1 Circuit Intermittent
- P0125Insufficient Coolant Temperature for Closed Loop Fuel Control
P2100 on Other Vehicles
Tesla Cybertruck
2024-2024 Cyberbeast Tri Motor AWD
Tesla Cybertruck
2024-2024 Dual Motor AWD
Tesla Cybertruck
2024-2024 Single Motor RWD
Tesla Model 3
2017-2020 Long Range Dual Motor AWD
Tesla Model 3
2017-2020 Performance Dual Motor AWD
Tesla Model 3
2017-2020 Standard Range Plus Single Motor RWD
Tesla Model 3
2021-2024 Long Range Dual Motor AWD
Tesla Model 3
2021-2024 Performance Dual Motor AWD
Common Questions
What does code P2100 mean on a 2019-2021 Tesla Model X?
P2100 stands for "Throttle Actuator Control Motor Circuit Open". Open circuit detected in the electronic throttle body motor drive circuit.
What are the symptoms of P2100 on a Tesla Model X?
Common symptoms of P2100 include: Reduced power/limp mode, Check engine light, Throttle unresponsive, Engine may not rev above idle.
What causes P2100 on a 2019-2021 Tesla Model X?
Common causes of P2100 include: Failed throttle body motor, Broken wiring, Corroded connector, ECM driver failure.