If your car is showing the U0107 engine code, that probably means that your throttle actuator control (TAC) module is either malfunctioning or broken entirely. Since a broken TAC can affect your ability to accelerate, you’ll want to see a mechanic right away.

Owning an OBD-II code reader is a great way to find out what's wrong with your car quickly, but it only helps if you understand what the diagnostic trouble codes (DTCs) mean. Once you know what you’re dealing with, you can take care of the problem.

If your car is showing engine code U0107, but you aren’t sure what to do, the top-rated

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What does engine code U0107 mean?

Definition: Lost communication with throttle actual control module

The U0107 engine code indicates that your throttle actual control (TAC) is failing to communicate with your controller area network (CAN) bus. You can think of your car’s CAN bus as a part of your car’s electrical brain, which receives information from many important modules.

Since your car’s TAC reports information about your car’s throttle, this likely means that you’ll have some issues while accelerating.

How much will it cost to fix?

The price it will cost to fix engine code U0107 depends on the root of the problem. If the TAC module is simply installed incorrectly or if there is some problem with the wiring, it shouldn't cost too much to get it fixed.

If you need to replace a faulty TAC, however, it could be pricey. You can expect to spend a few hundred dollars on a new one.

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Does car insurance cover repairs?

What can cause a U0107 engine code?

One of the main causes of U0107 is a faulty TAC module. You or a mechanic will need to examine the TAC to determine if this is the case. If it’s not the module itself that’s malfunctioning, it could also be the wires connected to it.

If you determine that neither the TAC module nor the wires around it are the issue, you could have a larger electrical problem on your hands. You’ll need to check and make sure that your car’s battery isn’t to blame for the issue.

The U0107 engine code could also be a symptom of a problem with your CAN bus. If either your battery or your CAN bus is having an issue, you’ll likely discover additional engine codes on your OBD-II code reader.

MORE:

How to react when your car makes noise when accelerating

Common symptoms of a U0107 engine code

If your car detects an issue with your TAC, the most likely way you’ll be able to tell is that your

Check Engine Light

or Engine Service Soon Light will turn on.

Since the TAC module relays information about your throttle, you may also have issues accelerating. If you find your car’s acceleration has slowed or that it’s more “jerky” than usual, this could be because of a faulty TAC module.

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What to do if check engine light is on

How serious is the U0107 engine code?

Engine code U0107 may not seem like a big deal, but you’re going to want to address the issue right away. A malfunctioning TAC could mean that your car fails to accelerate properly, and that could lead to dangerous situations on the road.

In addition, since U0107 could be just one part of a larger electrical issue, it’s best to play it safe and evaluate the problem as soon as possible

Can I fix engine code U0107 myself?

It’s fairly easy to evaluate the potential causes of U0107 yourself. You should:

Test out your acceleration

Check on your battery’s health

Examine the TAC module

Examine the wires connecting to the TAC module

If you’re confident the problem is a faulty TAC model, you can easily unplug it and replace it with a new one. However, since engine code U0107 can be linked to more widespread electrical issues, it may benefit you to bring your car into an automotive shop.

MORE:

How to know if a mechanic is taking too long with car repairs

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