Helpful Automotive Resources
P2101 Code: Throttle Actuator “A” Control Motor Circuit Range/PerformanceDiagnostic Trouble Code (DTC) P2101 stands for Throttle Actuator “A” Control Motor Circuit Range/Performance. It is usually triggered when your vehicle’s powertrain control module (PCM) detects that the actual throttle position does not match the desired throttle position. Once this happens, your PCM may put your engine in “limp home Reduced Engine Power Warning: What Does It Mean?Is your Chevy or other GM vehicle displaying this warning on the instrument cluster? Maybe the check engine light is on as well? Don’t panic and trade-in your car just yet—there may be a relatively easy (and affordable) remedy for your concern.