What is trouble code p1120?

Trouble code P1120 indicates a problem with the throttle position sensor (TPS) circuit in a vehicle. This code typically signifies that the signal from the TPS is out of range or not functioning correctly, which can affect engine performance and throttle response. Common causes include a faulty TPS, wiring issues, or poor connections in the circuit. Diagnosing the problem usually involves checking the sensor and its associated wiring for faults.