P0120 Throttle/Pedal Position Sensor/Switch A Circuit Malfunction
P0120 Throttle/Pedal Position Sensor/Switch A Circuit Malfunction diagnostic trouble code (DTC) is triggered when the Powertrain Control Module (PCM) detects a malfunction in the Throttle Position Sensor (TPS) “A” circuit. The TPS is a critical sensor in modern vehicles, used to monitor the position of the