P0121 Range/Performance Of Throttle Pedal Position Sensor/Switch 'A' Circuit . P0121 trouble code stands for “throttle position sensor/switch “a” circuit range/performance problem.” what does the p0121 code mean? Trouble code p0121 is signaled when your powertrain control module receives an incorrect signal from your throttle position sensor, or tps. The problem is signaled by the engine control module (ecm) when it determines a value below 0.2 volts or above 5 volts. This diagnostic trouble code (dtc) is a generic. How to fix p0121 engine code: Throttle/pedal position sensor “a” circuit range/performance problem. What the p0121 code means. A p0121 error code is a signal that the output voltage of the throttle position sensor “a” is out of recommended range. Throttle position sensor/switch a circuit range/performance problem. The p0121 code indicates that your powertrain control module (pcm) has detected that your throttle position sensor is operating outside of a programmed range. The code is usually caused by a defective throttle position sensor, a faulty tp sensor circuit, or issues with the throttle body. A p0121 is a generic. P0121 stands for “throttle/pedal position sensor “a” circuit range/performance problem.” it’s when the modules detect that the throttle position sensor is operating outside a predetermined range. Your tps is connected to a reference wire with five volts and typically a ground wire.
        	
		 
	 
    
         
         
        from axlewise.com 
     
        
        Throttle position sensor/switch a circuit range/performance problem. P0121 stands for “throttle/pedal position sensor “a” circuit range/performance problem.” it’s when the modules detect that the throttle position sensor is operating outside a predetermined range. This diagnostic trouble code (dtc) is a generic. The problem is signaled by the engine control module (ecm) when it determines a value below 0.2 volts or above 5 volts. Throttle/pedal position sensor “a” circuit range/performance problem. What the p0121 code means. A p0121 error code is a signal that the output voltage of the throttle position sensor “a” is out of recommended range. How to fix p0121 engine code: A p0121 is a generic. The code is usually caused by a defective throttle position sensor, a faulty tp sensor circuit, or issues with the throttle body.
    
    	
		 
	 
    P0121 Code Throttle/Pedal Position Sensor Switch A Circuit Range 
    P0121 Range/Performance Of Throttle Pedal Position Sensor/Switch 'A' Circuit  What the p0121 code means. P0121 stands for “throttle/pedal position sensor “a” circuit range/performance problem.” it’s when the modules detect that the throttle position sensor is operating outside a predetermined range. The p0121 code indicates that your powertrain control module (pcm) has detected that your throttle position sensor is operating outside of a programmed range. The code is usually caused by a defective throttle position sensor, a faulty tp sensor circuit, or issues with the throttle body. This diagnostic trouble code (dtc) is a generic. Throttle/pedal position sensor “a” circuit range/performance problem. A p0121 is a generic. P0121 trouble code stands for “throttle position sensor/switch “a” circuit range/performance problem.” what does the p0121 code mean? Trouble code p0121 is signaled when your powertrain control module receives an incorrect signal from your throttle position sensor, or tps. Your tps is connected to a reference wire with five volts and typically a ground wire. How to fix p0121 engine code: A p0121 error code is a signal that the output voltage of the throttle position sensor “a” is out of recommended range. What the p0121 code means. The problem is signaled by the engine control module (ecm) when it determines a value below 0.2 volts or above 5 volts. Throttle position sensor/switch a circuit range/performance problem.
 
    
         
        From obdvietnam.vn 
                    Cẩm Nang Sửa Chữa Mã Lỗi P0121 Throttle Pedal Position Sensor Switch P0121 Range/Performance Of Throttle Pedal Position Sensor/Switch 'A' Circuit  A p0121 error code is a signal that the output voltage of the throttle position sensor “a” is out of recommended range. The code is usually caused by a defective throttle position sensor, a faulty tp sensor circuit, or issues with the throttle body. Throttle/pedal position sensor “a” circuit range/performance problem. Throttle position sensor/switch a circuit range/performance problem. Your tps. P0121 Range/Performance Of Throttle Pedal Position Sensor/Switch 'A' Circuit.
     
    
         
        From gioryfmzr.blob.core.windows.net 
                    P0121 Volkswagen Throttle/Pedal Position Sensor/Switch 'A' Circuit P0121 Range/Performance Of Throttle Pedal Position Sensor/Switch 'A' Circuit  What the p0121 code means. Trouble code p0121 is signaled when your powertrain control module receives an incorrect signal from your throttle position sensor, or tps. A p0121 is a generic. The p0121 code indicates that your powertrain control module (pcm) has detected that your throttle position sensor is operating outside of a programmed range. Throttle/pedal position sensor “a” circuit. P0121 Range/Performance Of Throttle Pedal Position Sensor/Switch 'A' Circuit.
     
    
         
        From www.troublecodes.net 
                    P0121 Throttle position (TP) sensor A/accelerator pedal position (APP P0121 Range/Performance Of Throttle Pedal Position Sensor/Switch 'A' Circuit  What the p0121 code means. P0121 trouble code stands for “throttle position sensor/switch “a” circuit range/performance problem.” what does the p0121 code mean? Throttle/pedal position sensor “a” circuit range/performance problem. A p0121 error code is a signal that the output voltage of the throttle position sensor “a” is out of recommended range. The problem is signaled by the engine control. P0121 Range/Performance Of Throttle Pedal Position Sensor/Switch 'A' Circuit.
     
    
         
        From gioryfmzr.blob.core.windows.net 
                    P0121 Volkswagen Throttle/Pedal Position Sensor/Switch 'A' Circuit P0121 Range/Performance Of Throttle Pedal Position Sensor/Switch 'A' Circuit  This diagnostic trouble code (dtc) is a generic. A p0121 error code is a signal that the output voltage of the throttle position sensor “a” is out of recommended range. Trouble code p0121 is signaled when your powertrain control module receives an incorrect signal from your throttle position sensor, or tps. The code is usually caused by a defective throttle. P0121 Range/Performance Of Throttle Pedal Position Sensor/Switch 'A' Circuit.
     
    
         
        From www.youtube.com 
                    DTC P0121 Overview Throttle/Pedal Position Sensor/Switch "A" Circuit P0121 Range/Performance Of Throttle Pedal Position Sensor/Switch 'A' Circuit  A p0121 is a generic. The p0121 code indicates that your powertrain control module (pcm) has detected that your throttle position sensor is operating outside of a programmed range. Throttle position sensor/switch a circuit range/performance problem. How to fix p0121 engine code: Your tps is connected to a reference wire with five volts and typically a ground wire. This diagnostic. P0121 Range/Performance Of Throttle Pedal Position Sensor/Switch 'A' Circuit.
     
    
         
        From www.scribd.com 
                    DTC P0121 Throttle/Pedal Position Sensor/Switch "A" Circuit Range P0121 Range/Performance Of Throttle Pedal Position Sensor/Switch 'A' Circuit  A p0121 is a generic. Throttle position sensor/switch a circuit range/performance problem. This diagnostic trouble code (dtc) is a generic. Your tps is connected to a reference wire with five volts and typically a ground wire. What the p0121 code means. How to fix p0121 engine code: P0121 stands for “throttle/pedal position sensor “a” circuit range/performance problem.” it’s when the. P0121 Range/Performance Of Throttle Pedal Position Sensor/Switch 'A' Circuit.
     
    
         
        From gioryfmzr.blob.core.windows.net 
                    P0121 Volkswagen Throttle/Pedal Position Sensor/Switch 'A' Circuit P0121 Range/Performance Of Throttle Pedal Position Sensor/Switch 'A' Circuit  A p0121 error code is a signal that the output voltage of the throttle position sensor “a” is out of recommended range. P0121 stands for “throttle/pedal position sensor “a” circuit range/performance problem.” it’s when the modules detect that the throttle position sensor is operating outside a predetermined range. The code is usually caused by a defective throttle position sensor, a. P0121 Range/Performance Of Throttle Pedal Position Sensor/Switch 'A' Circuit.
     
    
         
        From www.youtube.com 
                    P2121 throttle/pedal position sensor/switch D circuit range performance P0121 Range/Performance Of Throttle Pedal Position Sensor/Switch 'A' Circuit  The p0121 code indicates that your powertrain control module (pcm) has detected that your throttle position sensor is operating outside of a programmed range. P0121 trouble code stands for “throttle position sensor/switch “a” circuit range/performance problem.” what does the p0121 code mean? The problem is signaled by the engine control module (ecm) when it determines a value below 0.2 volts. P0121 Range/Performance Of Throttle Pedal Position Sensor/Switch 'A' Circuit.
     
    
         
        From www.carparts.com 
                    P0121 Code Throttle/Pedal Position Sensor "A" Circuit Range P0121 Range/Performance Of Throttle Pedal Position Sensor/Switch 'A' Circuit  A p0121 is a generic. This diagnostic trouble code (dtc) is a generic. The p0121 code indicates that your powertrain control module (pcm) has detected that your throttle position sensor is operating outside of a programmed range. How to fix p0121 engine code: P0121 trouble code stands for “throttle position sensor/switch “a” circuit range/performance problem.” what does the p0121 code. P0121 Range/Performance Of Throttle Pedal Position Sensor/Switch 'A' Circuit.
     
    
         
        From www.carparts.com 
                    P2121 Code Throttle / Pedal Position Sensor / Switch "D" Circuit Range P0121 Range/Performance Of Throttle Pedal Position Sensor/Switch 'A' Circuit  P0121 stands for “throttle/pedal position sensor “a” circuit range/performance problem.” it’s when the modules detect that the throttle position sensor is operating outside a predetermined range. Trouble code p0121 is signaled when your powertrain control module receives an incorrect signal from your throttle position sensor, or tps. How to fix p0121 engine code: Throttle position sensor/switch a circuit range/performance problem.. P0121 Range/Performance Of Throttle Pedal Position Sensor/Switch 'A' Circuit.
     
    
         
        From axlewise.com 
                    P0121 Code Throttle/Pedal Position Sensor Switch A Circuit Range P0121 Range/Performance Of Throttle Pedal Position Sensor/Switch 'A' Circuit  A p0121 is a generic. The code is usually caused by a defective throttle position sensor, a faulty tp sensor circuit, or issues with the throttle body. What the p0121 code means. P0121 stands for “throttle/pedal position sensor “a” circuit range/performance problem.” it’s when the modules detect that the throttle position sensor is operating outside a predetermined range. The p0121. P0121 Range/Performance Of Throttle Pedal Position Sensor/Switch 'A' Circuit.
     
    
         
        From obdvietnam.vn 
                    Cẩm Nang Sửa Chữa Mã Lỗi P0121 Throttle Pedal Position Sensor Switch P0121 Range/Performance Of Throttle Pedal Position Sensor/Switch 'A' Circuit  Throttle position sensor/switch a circuit range/performance problem. Your tps is connected to a reference wire with five volts and typically a ground wire. What the p0121 code means. A p0121 error code is a signal that the output voltage of the throttle position sensor “a” is out of recommended range. The code is usually caused by a defective throttle position. P0121 Range/Performance Of Throttle Pedal Position Sensor/Switch 'A' Circuit.
     
    
         
        From www.carparts.com 
                    P0121 Code Throttle/Pedal Position Sensor "A" Circuit Range P0121 Range/Performance Of Throttle Pedal Position Sensor/Switch 'A' Circuit  The code is usually caused by a defective throttle position sensor, a faulty tp sensor circuit, or issues with the throttle body. The problem is signaled by the engine control module (ecm) when it determines a value below 0.2 volts or above 5 volts. What the p0121 code means. P0121 trouble code stands for “throttle position sensor/switch “a” circuit range/performance. P0121 Range/Performance Of Throttle Pedal Position Sensor/Switch 'A' Circuit.
     
    
         
        From gioryfmzr.blob.core.windows.net 
                    P0121 Volkswagen Throttle/Pedal Position Sensor/Switch 'A' Circuit P0121 Range/Performance Of Throttle Pedal Position Sensor/Switch 'A' Circuit  Your tps is connected to a reference wire with five volts and typically a ground wire. Throttle position sensor/switch a circuit range/performance problem. Trouble code p0121 is signaled when your powertrain control module receives an incorrect signal from your throttle position sensor, or tps. What the p0121 code means. The p0121 code indicates that your powertrain control module (pcm) has. P0121 Range/Performance Of Throttle Pedal Position Sensor/Switch 'A' Circuit.
     
    
         
        From themotorguy.com 
                    Troubleshooting the P0121 Code Throttle Pedal Position Sensor A Range P0121 Range/Performance Of Throttle Pedal Position Sensor/Switch 'A' Circuit  The code is usually caused by a defective throttle position sensor, a faulty tp sensor circuit, or issues with the throttle body. Trouble code p0121 is signaled when your powertrain control module receives an incorrect signal from your throttle position sensor, or tps. This diagnostic trouble code (dtc) is a generic. P0121 stands for “throttle/pedal position sensor “a” circuit range/performance. P0121 Range/Performance Of Throttle Pedal Position Sensor/Switch 'A' Circuit.
     
    
         
        From www.youtube.com 
                    P0121 Nissan Code Throttle Position Sensor Circuit Range/Performance P0121 Range/Performance Of Throttle Pedal Position Sensor/Switch 'A' Circuit  This diagnostic trouble code (dtc) is a generic. P0121 trouble code stands for “throttle position sensor/switch “a” circuit range/performance problem.” what does the p0121 code mean? A p0121 is a generic. The code is usually caused by a defective throttle position sensor, a faulty tp sensor circuit, or issues with the throttle body. P0121 stands for “throttle/pedal position sensor “a”. P0121 Range/Performance Of Throttle Pedal Position Sensor/Switch 'A' Circuit.
     
    
         
        From www.youtube.com 
                    P0121 Toyota Code Throttle / Pedal Position Sensor / Switch 'A P0121 Range/Performance Of Throttle Pedal Position Sensor/Switch 'A' Circuit  The problem is signaled by the engine control module (ecm) when it determines a value below 0.2 volts or above 5 volts. Trouble code p0121 is signaled when your powertrain control module receives an incorrect signal from your throttle position sensor, or tps. P0121 stands for “throttle/pedal position sensor “a” circuit range/performance problem.” it’s when the modules detect that the. P0121 Range/Performance Of Throttle Pedal Position Sensor/Switch 'A' Circuit.
     
    
         
        From themotorguy.com 
                    P0121 OBDII Trouble Code TPS ‘A’ Circuit Range Performance Problem P0121 Range/Performance Of Throttle Pedal Position Sensor/Switch 'A' Circuit  What the p0121 code means. Your tps is connected to a reference wire with five volts and typically a ground wire. Throttle/pedal position sensor “a” circuit range/performance problem. A p0121 is a generic. Throttle position sensor/switch a circuit range/performance problem. The problem is signaled by the engine control module (ecm) when it determines a value below 0.2 volts or above. P0121 Range/Performance Of Throttle Pedal Position Sensor/Switch 'A' Circuit.
     
    
         
        From cedaxkai.blob.core.windows.net 
                    Throttle/Pedal Position Sensor/Switch A Circuit Range/Performance at P0121 Range/Performance Of Throttle Pedal Position Sensor/Switch 'A' Circuit  What the p0121 code means. Trouble code p0121 is signaled when your powertrain control module receives an incorrect signal from your throttle position sensor, or tps. Throttle/pedal position sensor “a” circuit range/performance problem. P0121 trouble code stands for “throttle position sensor/switch “a” circuit range/performance problem.” what does the p0121 code mean? Your tps is connected to a reference wire with. P0121 Range/Performance Of Throttle Pedal Position Sensor/Switch 'A' Circuit.
     
    
         
        From www.carparts.com 
                    P0221 Code Throttle/Pedal Position Sensor / Switch B Circuit Range P0121 Range/Performance Of Throttle Pedal Position Sensor/Switch 'A' Circuit  P0121 trouble code stands for “throttle position sensor/switch “a” circuit range/performance problem.” what does the p0121 code mean? P0121 stands for “throttle/pedal position sensor “a” circuit range/performance problem.” it’s when the modules detect that the throttle position sensor is operating outside a predetermined range. The problem is signaled by the engine control module (ecm) when it determines a value below. P0121 Range/Performance Of Throttle Pedal Position Sensor/Switch 'A' Circuit.
     
    
         
        From www.autocodes.com 
                    Code P0121 2006 Ford Fusion Throttle/Pedal Position Sensor/Switch 'A P0121 Range/Performance Of Throttle Pedal Position Sensor/Switch 'A' Circuit  Your tps is connected to a reference wire with five volts and typically a ground wire. What the p0121 code means. P0121 trouble code stands for “throttle position sensor/switch “a” circuit range/performance problem.” what does the p0121 code mean? Throttle/pedal position sensor “a” circuit range/performance problem. P0121 stands for “throttle/pedal position sensor “a” circuit range/performance problem.” it’s when the modules. P0121 Range/Performance Of Throttle Pedal Position Sensor/Switch 'A' Circuit.
     
    
         
        From obdvietnam.vn 
                    Cẩm Nang Sửa Chữa Mã Lỗi P0121 Throttle Pedal Position Sensor Switch P0121 Range/Performance Of Throttle Pedal Position Sensor/Switch 'A' Circuit  Throttle position sensor/switch a circuit range/performance problem. Your tps is connected to a reference wire with five volts and typically a ground wire. P0121 stands for “throttle/pedal position sensor “a” circuit range/performance problem.” it’s when the modules detect that the throttle position sensor is operating outside a predetermined range. The problem is signaled by the engine control module (ecm) when. P0121 Range/Performance Of Throttle Pedal Position Sensor/Switch 'A' Circuit.
     
    
         
        From obdvietnam.vn 
                    Cẩm Nang Sửa Chữa Mã Lỗi P0121 Throttle Pedal Position Sensor Switch P0121 Range/Performance Of Throttle Pedal Position Sensor/Switch 'A' Circuit  P0121 stands for “throttle/pedal position sensor “a” circuit range/performance problem.” it’s when the modules detect that the throttle position sensor is operating outside a predetermined range. How to fix p0121 engine code: The problem is signaled by the engine control module (ecm) when it determines a value below 0.2 volts or above 5 volts. Your tps is connected to a. P0121 Range/Performance Of Throttle Pedal Position Sensor/Switch 'A' Circuit.
     
    
         
        From obdvietnam.vn 
                    Cẩm Nang Sửa Chữa Mã Lỗi P0121 Throttle Pedal Position Sensor Switch P0121 Range/Performance Of Throttle Pedal Position Sensor/Switch 'A' Circuit  A p0121 is a generic. Throttle/pedal position sensor “a” circuit range/performance problem. This diagnostic trouble code (dtc) is a generic. Your tps is connected to a reference wire with five volts and typically a ground wire. P0121 trouble code stands for “throttle position sensor/switch “a” circuit range/performance problem.” what does the p0121 code mean? P0121 stands for “throttle/pedal position sensor. P0121 Range/Performance Of Throttle Pedal Position Sensor/Switch 'A' Circuit.
     
    
         
        From www.youtube.com 
                    P0121 Throttle Pedal Position Sensor Switch A Circuit Range Performance P0121 Range/Performance Of Throttle Pedal Position Sensor/Switch 'A' Circuit  The problem is signaled by the engine control module (ecm) when it determines a value below 0.2 volts or above 5 volts. Your tps is connected to a reference wire with five volts and typically a ground wire. A p0121 is a generic. The p0121 code indicates that your powertrain control module (pcm) has detected that your throttle position sensor. P0121 Range/Performance Of Throttle Pedal Position Sensor/Switch 'A' Circuit.
     
    
         
        From www.autocodes.com 
                    Code P0121 2007 Toyota Prius Throttle/Pedal Position Sensor/Switch 'A P0121 Range/Performance Of Throttle Pedal Position Sensor/Switch 'A' Circuit  A p0121 error code is a signal that the output voltage of the throttle position sensor “a” is out of recommended range. How to fix p0121 engine code: Throttle position sensor/switch a circuit range/performance problem. What the p0121 code means. The problem is signaled by the engine control module (ecm) when it determines a value below 0.2 volts or above. P0121 Range/Performance Of Throttle Pedal Position Sensor/Switch 'A' Circuit.
     
    
         
        From gioryfmzr.blob.core.windows.net 
                    P0121 Volkswagen Throttle/Pedal Position Sensor/Switch 'A' Circuit P0121 Range/Performance Of Throttle Pedal Position Sensor/Switch 'A' Circuit  P0121 trouble code stands for “throttle position sensor/switch “a” circuit range/performance problem.” what does the p0121 code mean? What the p0121 code means. P0121 stands for “throttle/pedal position sensor “a” circuit range/performance problem.” it’s when the modules detect that the throttle position sensor is operating outside a predetermined range. The code is usually caused by a defective throttle position sensor,. P0121 Range/Performance Of Throttle Pedal Position Sensor/Switch 'A' Circuit.
     
    
         
        From www.carparts.com 
                    P2121 Code Throttle / Pedal Position Sensor / Switch "D" Circuit Range P0121 Range/Performance Of Throttle Pedal Position Sensor/Switch 'A' Circuit  A p0121 error code is a signal that the output voltage of the throttle position sensor “a” is out of recommended range. This diagnostic trouble code (dtc) is a generic. The problem is signaled by the engine control module (ecm) when it determines a value below 0.2 volts or above 5 volts. Throttle/pedal position sensor “a” circuit range/performance problem. A. P0121 Range/Performance Of Throttle Pedal Position Sensor/Switch 'A' Circuit.
     
    
         
        From www.carparts.com 
                    P2121 Code Throttle / Pedal Position Sensor / Switch "D" Circuit Range P0121 Range/Performance Of Throttle Pedal Position Sensor/Switch 'A' Circuit  The problem is signaled by the engine control module (ecm) when it determines a value below 0.2 volts or above 5 volts. What the p0121 code means. Throttle position sensor/switch a circuit range/performance problem. How to fix p0121 engine code: The p0121 code indicates that your powertrain control module (pcm) has detected that your throttle position sensor is operating outside. P0121 Range/Performance Of Throttle Pedal Position Sensor/Switch 'A' Circuit.
     
    
         
        From fixmachinegervazob41.z13.web.core.windows.net 
                    Throttle Pedal Position Sensor Code P2138 P0121 Range/Performance Of Throttle Pedal Position Sensor/Switch 'A' Circuit  Throttle/pedal position sensor “a” circuit range/performance problem. The problem is signaled by the engine control module (ecm) when it determines a value below 0.2 volts or above 5 volts. This diagnostic trouble code (dtc) is a generic. The p0121 code indicates that your powertrain control module (pcm) has detected that your throttle position sensor is operating outside of a programmed. P0121 Range/Performance Of Throttle Pedal Position Sensor/Switch 'A' Circuit.
     
    
         
        From www.carparts.com 
                    P0121 Code Throttle/Pedal Position Sensor "A" Circuit Range P0121 Range/Performance Of Throttle Pedal Position Sensor/Switch 'A' Circuit  The problem is signaled by the engine control module (ecm) when it determines a value below 0.2 volts or above 5 volts. The code is usually caused by a defective throttle position sensor, a faulty tp sensor circuit, or issues with the throttle body. P0121 stands for “throttle/pedal position sensor “a” circuit range/performance problem.” it’s when the modules detect that. P0121 Range/Performance Of Throttle Pedal Position Sensor/Switch 'A' Circuit.
     
    
         
        From www.carparts.com 
                    P0121 Code Throttle/Pedal Position Sensor "A" Circuit Range P0121 Range/Performance Of Throttle Pedal Position Sensor/Switch 'A' Circuit  The p0121 code indicates that your powertrain control module (pcm) has detected that your throttle position sensor is operating outside of a programmed range. P0121 trouble code stands for “throttle position sensor/switch “a” circuit range/performance problem.” what does the p0121 code mean? P0121 stands for “throttle/pedal position sensor “a” circuit range/performance problem.” it’s when the modules detect that the throttle. P0121 Range/Performance Of Throttle Pedal Position Sensor/Switch 'A' Circuit.
     
    
         
        From themotorguy.com 
                    Symptoms of P0121 Throttle/Pedal Position Sensor/Switch A Circuit Range P0121 Range/Performance Of Throttle Pedal Position Sensor/Switch 'A' Circuit  Trouble code p0121 is signaled when your powertrain control module receives an incorrect signal from your throttle position sensor, or tps. Your tps is connected to a reference wire with five volts and typically a ground wire. The code is usually caused by a defective throttle position sensor, a faulty tp sensor circuit, or issues with the throttle body. What. P0121 Range/Performance Of Throttle Pedal Position Sensor/Switch 'A' Circuit.
     
    
         
        From themotorguy.com 
                    Symptoms of P0121 Throttle/Pedal Position Sensor/Switch A Circuit Range P0121 Range/Performance Of Throttle Pedal Position Sensor/Switch 'A' Circuit  P0121 stands for “throttle/pedal position sensor “a” circuit range/performance problem.” it’s when the modules detect that the throttle position sensor is operating outside a predetermined range. This diagnostic trouble code (dtc) is a generic. A p0121 is a generic. The code is usually caused by a defective throttle position sensor, a faulty tp sensor circuit, or issues with the throttle. P0121 Range/Performance Of Throttle Pedal Position Sensor/Switch 'A' Circuit.
     
    
         
        From www.carparts.com 
                    P2121 Code Throttle / Pedal Position Sensor / Switch "D" Circuit Range P0121 Range/Performance Of Throttle Pedal Position Sensor/Switch 'A' Circuit  How to fix p0121 engine code: Your tps is connected to a reference wire with five volts and typically a ground wire. This diagnostic trouble code (dtc) is a generic. Throttle position sensor/switch a circuit range/performance problem. The p0121 code indicates that your powertrain control module (pcm) has detected that your throttle position sensor is operating outside of a programmed. P0121 Range/Performance Of Throttle Pedal Position Sensor/Switch 'A' Circuit.