Another thing to check is the the throttle body itself. Here are a few codes that could set. I hope this helps clarify the concerns you are experiencing. If your vehicle is lurching forward and random times, this may be the problem. Taking this into consideration, it is always important to fully test every aspect of a circuit to diagnose an electrical problem correctly. However, this code can also be generated by the installation of aftermarket equipment that is tapped into the wrong wire radio, remote starter, radar detector, etc.
When i got my car back it ran alot better and didnt pulse during shifting so i figured it was good. People should know though, they may need to do this every couple of years, according to one blog I read! If you find water in the connector, locate the source of the leak. What did you come up with in order to fix it?? Although this is one of the most common causes of the P2138 trouble code, it is not always the cause. The determines if a signal is incorrect by calculating where it should be, inferred from the other signals. The pedal position signal is converted to pedal travel degrees rotary angle by the. Today on my way to work I got the check engin light with engine power loss. Mine was shutting down, leaving me to veer off the road as often as twice a day.
Search P2138 on youtube ,will show diagnostic steps. And yes that was the only code that come up. The most common cause for this code is a loose or incorrectly installed gas cap. So I spome with onstar and they gave me the same code. It is always best to use safe and cautious practices when working with electrical equipment.
Just changing out the peddle will do the job. If I am late to work due to the fact that my car is not accelerating properly or stalling on the side of the road, I am not going to be very happy. ©, 2015 Rick Muscoplat Save. This can severely damage the electronic throttle body motor and possibly prevent the vehicle from being operational. Then clear the trouble codes and check for proper operation.
From the gas pedal to throttle body and all in between lol, that's why i'm asking the pros. I will do my best to get back to you as soon as possible. Check to see if there is a water leak into the area and repair as necessary. Each signal circuit provides both processors with a signal voltage proportional to pedal movement. The 2 pedal position signals make sure the receives a correct input even if 1 signal has a concern. What repairs can fix the P2138 code? Use a water hose to determine the source of a water leak and effectiveness of repair. A bad pedal position sensor can set a P2138 and is probably the most common cause.
If a concern is present with one of the circuits the other input is used. Hopes this info helps some you. Each sensor has a 5-volt reference circuit, a low reference circuit, and a signal circuit. When these lights come on I have to immediately pull over and turn my car off if I try to drive it it jerks and I can't go above 20 mph. The software converts these degrees to counts, which is the input to the torque based strategy. Well, there is a lot of misinformation here. I was avoiding all roads without shoulders, avoiding the middle lanes, showing up late to work because of it, and generally just a nervous wreck.
Morning, no I do not have a scan tool that can read live data, mine just gives the codes. What are the causes of the P2138 code? YourMechanic offers certified mobile mechanics who will come to your home or office to diagnose and repair your vehicle. What did you come up with in order to fix it?? I spent all morning on google until i found this youtube video. The P2138 trouble code may be stored in the computer along with a check engine light. There are 2 pedal position signals in the sensor.
Water can leak into the connector from clogged sunroof drains, A-pillar leaks, or windshield or cowling leaks. I have to also add that comparing the cost of the full repair done at a dealer vs the cost of a part at autozone is apples to oranges…. With that said, I would recommend to anyone that has a P2138 trouble code stored to have the issue handled immediately. How serious is the P2138 code? Since then have you seen the same problem happen? Other causes would be wiring or connector related and there are service bulletins concerning such issues. Don't waist your money paying someone else to do this job.