Embarrassed? He does not know what to do. Don’t worry, here’s everything you need to know about the error code P2122. When the P2122 error code is stored, it indicates a low voltage that has been identified by the TPS.
This detection often leads to a forced engine stop, forced idling, or forced power reduction to prevent overloading of the circuits, depending on the condition. make model vehicle.
The list of potential causes That trigger a P2122 error code includes faulty – the throttle position sensor, the throttle actuator control motor, the throttle position actuator, or the pedal position sensor.
Damaged cables, connectors, or grounds should be suspected if all four components can be seen to be functioning properly.
Learn more about OBD error code P2122
Well, the opening of the throttle valve is regulated by the electronic throttle control system. (ETCS).
It can be seen that each time the driver presses the accelerator pedal, the installed accelerator pedal position (APP) sensor transfers a signal to the engine control module (PCM) telling the PCM how much power the driver is requesting from the engine. .
Read: Error Code P0411 – What Does It Mean and How to Fix It?
So accordingly, the PCM commands the throttle plate to open. When the PCM registers that the APP sensor does not change as required when the accelerator pedal is depressed or released, it sets the code P2122.
Additionally, the PCM can put the engine in “clean home mode” thus limiting the power supplied by the engine to avoid unnecessary accelerations.
What causes this problem with the Low Input Throttle Position Sensor D Circuit?
Replace/repair these parts to resolve the P2122 code
In addition to the error code, it also invites the problems of poor engine performance, weak acceleration and engine stalls. So replacing one can be one of the wisest decisions to avoid a problematic system.
Symptoms of OBD error code P2122
It is vital to know the symptoms of a problem, as only then will you be able to solve the problem. That is why we have listed here some of the main symptoms of OBD code P2122:
How to Fix Throttle Position Sensor Problem P2122 Circuit D Low Input
Do you want to correct the P2122 fault code? Read the points mentioned below:
Easy Diagnosis of Engine Error OBD Code P2122
It is essential to diagnose this error code. Here are some steps a mechanic should follow to diagnose the problem that triggered a code P2122 to be stored:
Now that all repairs have been made, it is advisable to delete the OBD-II fault codes. Rescan the anomalies. And finally, the vehicle should be tested to ensure that the codes have been addressed accurately.
Common errors when diagnosing the P2122 code
Here we have listed some common mistakes that need to be avoided to clear the P2122 code:
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