Dodge U1412 Engine Code

What does the Dodge U1412 code mean?

The U1412 code stands for “Faulty Transmission Control Module.” This error code is pretty much self-explanatory: you have problems in your transmission – and you need to fix these issues as quickly as possible. Driving with a faulty TCM is far from recommended.

So, you got the dreaded U1412 error code. Well, it’s not the end of the world! It could be the end of your car if you don’t heed the warning, though.

Transmission issues are not to be messed with. Your transmission controls everything speed-related: hitting the gas, slowing down, switching gears, and more.

Imagine what could happen when you drive with a worn-out TCM! The transmission could slip out of gear and you end up losing control of the vehicle.

That’s not what you want.

So, once you realize you have a problem with your TCM, you need to go to a repair shop immediately. Or, if you know your way around cars, replace the TCM yourself.

Dodge Code U1412

Symptoms of code U1412

  • Faulty Transmission Control Module (TCM)
  • TCM harness is open or shorted
  • TCM circuit with poor electrical connection

Causes of code U1412

  • Issues with the TCM itself or its wiring

Fixes for code U1412

  • Repairing or replacing the TCM

What are the signs of a bad transmission control module?

When your transmission module goes bad, you will usually have a hard time switching gears. Other than gear-related issues, you’ll use more gas than usual when you drive. The TCM is important, and you shouldn’t drive around with a broken one.

The transmission control module (TCM for short) is fundamental for your car. It does a little bit of everything: it allows you to switch gears, controls speed, and regulates temperature.

You really don’t want to be in a car with a malfunctioning TCM.

Why is a broken transmission control module dangerous? Because a faulty TCM will prevent you from driving properly. You could have a hard time accelerating or braking. Your car could also switch gears without you doing anything as well. It’s dangerous!

Why does a transmission module go bad?

A transmission control module could wear out over time or break after misuse, a car crash, or excessive voltage from poor wiring. In rare cases, a TCM could stop working after driving under the rain soon after the water reaches this module.

There are a fair number of reasons why your TCM stopped working. More likely than not, it’s because of wear and tear.

At that point, you can’t do much. You can try to reset it. If that fails, you can try to repair it. If you can’t repair it (because the TCM is too far gone for that), you’ll have to replace it.

What you cannot do under any circumstances is continue to drive with a faulty transmission control module. That’s just asking for a car accident to happen.

So, do the smart thing and fix the TCM issues you have before you hit the road again.

How much does it cost to replace a transmission module?

Depending on your car model, a transmission control module costs between $200 and over $1000. On average, you will not spend more than $400 for a new TCM. You also have to take labor costs into consideration, which could reach 200 dollars.

Yes, a TCM replacement sounds like an expensive ordeal. Then again, I would pay even more than that if it meant I could drive with no issues.

You heard that right: a $500 repair is cheap compared to what could happen if you continue to drive with a faulty TCM.

The transmission control module is in charge of speed. It helps you accelerate and it also helps you slow down. Imagine what could happen when that goes wrong? You crash!

So, before you postpone a TCM replacement, ask yourself how much could you end up spending when you crash and have to replace something more expensive?

Oh, and, by the way, when you replace a TCM, you need to program it. If you don’t know how to do that, hit the repair shop.

You can order the transmission control module to save some money, though. As long as you know what model you need, that is.

Can I reset a transmission module?

The easiest way to reset a transmission control module on your Chevy is to switch on the ignition, step on the gas pedal for a little over ten seconds, turn off the ignition, release the gas, and wait five minutes before you restart the engine.

I want to clear something up: switching on the ignition is not the same as starting the engine; you need to go halfway through (the on position), not all the way through (starting the engine).

Will resetting your TCM help you fix it? It’s unlikely, but I recommend trying this method before replacing it. Who knows? Maybe you’ll save yourself the $500 repair cost.

As I’ve said, I wouldn’t bet on this helping you that much, though.

Resetting your transmission control module helps when the car loses communication with the TCM, not when you have a faulty TCM.

How do I fix a broken transmission module?

You can either repair or replace your transmission control module once it goes bad. In certain cases, a replacement will be the only option that you have. A TCM repair job will cost $200 to $300.

Yes, you can save some money by repairing your TCM instead of replacing it. Then again, you still have to see a mechanic unless you know what you’re doing.

Here’s the thing: your TCM is not something you want to mess with.

If you can afford it, go for the replacement option. That way, you’ll get it brand new with a warranty and the necessary peace of mind it’ll give you.

You can go for the repair option as long as you 100%, absolutely, and completely trust the guys you’re hiring to repair your TCM. Otherwise, it’s time to shop for a new TCM online.

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