P2101
Throttle Actuator Control Motor Circuit Range/Performance
1999-2000 BMW 323i E46 2.5L I6 🇦🇺
High SeverityPowertrain
Description
The electronic throttle motor is not responding as expected to ECM commands.
Symptoms
- Limp mode
- Reduced power
- Check engine light
- Erratic idle
Common Causes
- Carbon-fouled throttle body
- Weak motor
- High resistance in wiring
- Binding throttle plate
Diagnostic Steps
- Clean throttle body
- Check motor resistance
- Monitor throttle position during actuation
- Inspect for physical binding
Repair Notes
Clean throttle body first. Replace if motor performance does not improve.
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
P2101 on Other Vehicles
Common Questions
What does code P2101 mean on a 1999-2000 BMW 323i E46?
P2101 stands for "Throttle Actuator Control Motor Circuit Range/Performance". The electronic throttle motor is not responding as expected to ECM commands.
What are the symptoms of P2101 on a BMW 323i E46?
Common symptoms of P2101 include: Limp mode, Reduced power, Check engine light, Erratic idle.
What causes P2101 on a 1999-2000 BMW 323i E46?
Common causes of P2101 include: Carbon-fouled throttle body, Weak motor, High resistance in wiring, Binding throttle plate.