How do I fix error code P2120?
What repairs can fix the P2120 code?
- Replacing the throttle position sensor.
- Repairing an open or short in the sensor return wiring or connector.
How to tell if your car has a p2122 trouble code?
While the most obvious symptom of the P2122 code is the illumination of the Check Engine Light on the dashboard, the following symptoms may also be noticeable: How does a mechanic diagnose the P2122 code? To begin diagnosing the cause of the P2122 trouble code, first verify its existence.
What does the trouble code p2138 stand for?
The automotive trouble code P2138 throttle/pedal position sensor/switch D/E voltage correlation refers to a problem related to the throttle’s ability to open and close properly. In the 1990’s automotive manufacturers began industry-wide installation of “Drive by wire” throttle control technology.
What does a p0122 code on a throttle position sensor mean?
A P0122 code means that the the vehicle’s computer has detected that the TPS (throttle position sensor) “A” is reporting too low a voltage. On some vehicles that lower limit is 0.17 – 0.20 volts (V). In simple terms, the throttle position sensor is used to determine what position the throttle is at. Did you adjust it…
How do you turn off the Check Engine light?
Within the next 5 seconds depress and release the pedal 5 times. Wait 7 seconds, press, and hold the pedal for 10 seconds. When the check engine light begins to blink, release the pedal. Wait 10 seconds and depress the pedal again for 10 seconds and release. Turn the ignition off. Pull the electrical connector out of the throttle body.
What is the code for check engine light and reduced engine power?
GM has issued a service bulletin #08-06-04-041B to address a check engine light and reduce engine power message. You’ll also find the following trouble codes stored in your PCM P1125, P2101, P2120, P2125 OR P2138 as well and hesitation on acceleration.
What does the reduced engine power warning mean?
Asking what engaged reduced engine power warning message is somewhat like asking what turned on your check engine light —there are too many possibilities to list. Plus, GM has changed its fail-safe strategies over the years, so exactly what can engage the message depends on the year and model of your vehicle.
Where do I find reduced engine power message?
If you’ve got the owner’s manual to your GM vehicle (Chevy, Buick, etc.) handy, you can flip to the section about the driver information center (or instrument cluster). There, you’ll find a general overview of what the Engine Power Reduced message means for your particular year and model.
Why is my Check Engine light not working?
The bulletin affects the vehicles listed below GM has determined that the cause of the trouble codes might be related to moisture in electrical connector X101 located on the left (driver’s side) strut (shock) tower. To diagnose, disconnect connector X101.