Throttle Actuator Control Motor Circuit Open
2000-2012 Mitsubishi Eclipse GT 3.0L V6
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
- P0001Fuel Volume Regulator Control Circuit/Open
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0003Fuel Volume Regulator Control Circuit Low
- P0004Fuel Volume Regulator Control Circuit High
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
- P0011Intake Camshaft Position Timing Over-Advanced Bank 1
- P0012Intake Camshaft Position Timing Over-Retarded Bank 1
- P0013Exhaust Camshaft Position Actuator Circuit/Open Bank 1
- P0014Exhaust Camshaft Position Timing Over-Advanced Bank 1
- P0015Exhaust Camshaft Position Timing Over-Retarded Bank 1
P2100 on Other Vehicles
Mitsubishi 3000GT
1991-1999 3.0L V6
Mitsubishi 3000GT VR-4
1991-1999 3.0L Twin Turbo V6
Mitsubishi 3000GT VR-4
1991-1999 3.0L V6 Twin Turbo
Mitsubishi Colt JP
2002-2012 1.3L I4 4A90
Mitsubishi Colt JP
2002-2012 1.5L I4 4A91
Mitsubishi Delica D:5
2019-2025 2.2L I4 Turbo Diesel 4N14
Mitsubishi Diamante
1992-1996 3.0L V6
Mitsubishi Diamante
1997-2004 3.5L V6
Common Questions
What does code P2100 mean on a 2000-2012 Mitsubishi Eclipse GT?
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 Mitsubishi Eclipse GT?
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 2000-2012 Mitsubishi Eclipse GT?
Common causes of P2100 include: Failed throttle body motor, Broken wiring, Corroded connector, ECM driver failure.