Understanding the P2121 Trouble Code in Ford Vehicles

OBD DTC p2121

Understanding the P2121 Trouble Code in Ford Vehicles The P2121 trouble code is a diagnostic trouble code (DTC) that indicates an issue with the Throttle/Pedal Position Sensor/Switch “D” Circuit Range/Performance. This code is generic, meaning it applies to all OBD-II equipped vehicles, including various Ford models. When this code appears, it signifies that the Powertrain … Read more