![P0121 – Throttle position (TP) sensor A/accelerator pedal position (APP) sensor / switch A -range/performance problem – TroubleCodes.net P0121 – Throttle position (TP) sensor A/accelerator pedal position (APP) sensor / switch A -range/performance problem – TroubleCodes.net](http://www.troublecodes.net/wp-content/uploads/2015/11/throttle-position-sensor.jpg)
P0121 – Throttle position (TP) sensor A/accelerator pedal position (APP) sensor / switch A -range/performance problem – TroubleCodes.net
![P0121 Code — Causes, Fixes, and More – Genuine and OEM replacement car parts for European vehicles at the lowest price! P0121 Code — Causes, Fixes, and More – Genuine and OEM replacement car parts for European vehicles at the lowest price!](https://eeuroparts.com/wp-content/uploads/2022/07/p0121-code-explained-1-1024x620.webp)
P0121 Code — Causes, Fixes, and More – Genuine and OEM replacement car parts for European vehicles at the lowest price!
![P0121 Code: Throttle/Pedal Position Sensor "A" Circuit Range/Performance Problem - In The Garage with CarParts.com P0121 Code: Throttle/Pedal Position Sensor "A" Circuit Range/Performance Problem - In The Garage with CarParts.com](https://www.carparts.com/blog/wp-content/uploads/2020/06/throttle-position-sensor-automotive.jpeg)
P0121 Code: Throttle/Pedal Position Sensor "A" Circuit Range/Performance Problem - In The Garage with CarParts.com
![P0121 Code — Causes, Fixes, and More – Genuine and OEM replacement car parts for European vehicles at the lowest price! P0121 Code — Causes, Fixes, and More – Genuine and OEM replacement car parts for European vehicles at the lowest price!](https://eeuroparts.com/wp-content/uploads/2022/07/p0121-code-explained-2-1024x576.webp)
P0121 Code — Causes, Fixes, and More – Genuine and OEM replacement car parts for European vehicles at the lowest price!
![Amazon.com: MC1414 Throttle Position Sensor(TPS)Compatible with 2001-2005 Harley Davidson FXSTDI Softail Duce - HiSport : Automotive Amazon.com: MC1414 Throttle Position Sensor(TPS)Compatible with 2001-2005 Harley Davidson FXSTDI Softail Duce - HiSport : Automotive](https://m.media-amazon.com/images/I/618jbKuK5-L.jpg)
Amazon.com: MC1414 Throttle Position Sensor(TPS)Compatible with 2001-2005 Harley Davidson FXSTDI Softail Duce - HiSport : Automotive
![P0121 – Throttle position (TP) sensor A/accelerator pedal position (APP) sensor / switch A -range/performance problem – TroubleCodes.net P0121 – Throttle position (TP) sensor A/accelerator pedal position (APP) sensor / switch A -range/performance problem – TroubleCodes.net](http://www.troublecodes.net/wp-content/uploads/2015/11/back-probe.jpg)
P0121 – Throttle position (TP) sensor A/accelerator pedal position (APP) sensor / switch A -range/performance problem – TroubleCodes.net
![Diagnosing & Fixing Fault Code P0121: Throttle Position Sensor on 2013 GMC Yukon XL * Virtual Lab Rats Diagnosing & Fixing Fault Code P0121: Throttle Position Sensor on 2013 GMC Yukon XL * Virtual Lab Rats](https://www.virtuallabrats.com/blog/wp-content/uploads/2019/11/replace-tab-connector.jpg)