What causes P0122?

Code P0122 is triggered when your vehicle’s Engine Control Module (ECM) detects that your Throttle Position Sensor (TPS) circuit A is reporting an output voltage that is below its expected voltage. 20 volts, and if the ECM detects that it has dipped below that, then it will trigger Code P0122.

What does the p0122 code on a Chevy mean?

P0122 CHEVROLET Meaning The throttle position sensor (TPS) responds to the accelerator pedal movement. This sensor is a kind of potentiometer which transforms the throttle position into output voltage, and emits the voltage signal to the Engine Control Module (ECM).

What’s the lower voltage limit for code p0122?

Depending on your vehicle, your TPS lower output voltage limit should be around.17 to.20 volts, and if the ECM detects that it has dipped below that, then it will trigger Code P0122. What Are the Symptoms of Code P0122?

What do you need to know about the p0121 code?

This enables you to spot any fleeting problems. If the TPS checks out OK, but you still have P0121 code illuminated, you’ll need to check the sensor circuit. First, you want to disconnect the sensor connector and test for power and ground. You can do this using a digital multimeter.

What causes a Chevy Silverado to get p0102?

Here are the most common causes of P0102 in the Chevy Silverado. They are presented loosely in order from most to least likely: MAF Sensor Dirty – Over the course of its life, the MAF sensor will often get so covered in grime that it’ll no longer get an accurate reading.

What causes P0122?