Trouble codes › P2101
P2101 Throttle Actuator "A" Control Motor Circuit Range/Performance
Throttle
P2101 means the electronic throttle isn't moving the way the engine computer commands, often a dirty or failing throttle body.
The engine computer is driving the electronic throttle motor but the throttle isn't moving the way it commanded, or the motor's current isn't right.
Expect reduced power or limp mode, possibly suddenly. Drive only as needed and get it fixed.
Common causes
- A dirty or sticking electronic throttle body
- A failing throttle motor
- Wiring or connector problems at the throttle body
- Low battery voltage
Symptoms
- Reduced power or limp mode
- Stalling or erratic idle
- Check-engine light
Known problems: Ford electronic throttle body problems (2009-2013)
What to check first
- Check the battery and charging voltage.
- Inspect the throttle body connector and wiring.
- With the engine off and key off, check that the throttle plate isn't gummed up; clean it following your service information.
- Replace the throttle body if the motor doesn't respond properly; do the relearn afterward.
What does P2101 mean on your vehicle?
The likely cause depends on your engine. iRepair researches your exact year, make, model and engine (service bulletins, recalls and owner reports) and tells you what to check first. Your first 3 questions are free.
Ask iRepair about P2101No scanner? Most auto parts stores read check-engine codes for free.
Related codes
General guidance for P2101 on most vehicles. Some makers use the same code a little differently; confirm in the service information for your vehicle, put safety first, and see a professional when in doubt.