U0141 code — how to fix error fast

If the OBD2 scanner puts up the code U0141 in your vehicle, it can pose a serious issue that could even concern the vehicle’s performance. If you don’t want to compromise your driving safety, it takes dealing with the code as soon as it appears, and you can’t do that if you don’t know much about the U0141 code meaning.

Our team would hate to see you struggling with this code, which is why we prepared a complete guide for you. Through it, we’ll focus on the most common causes of the code, as well as what you can do to diagnose and fix the issue.

Why you can trust REREV’s OBD2 code advice: Our automotive expert researchers with experienced mechanics undertakes a thorough research methodology to deliver precise insights on OBD codes. Find out more about OBD2 codes research process..

What does the U0141 code mean?

The U0141 code is related to a communication issue in the vehicle’s network. It indicates that there is a problem with the communication circuit between the modules that control the vehicle’s systems. This code typically arises when the communication between the modules is disrupted or lost entirely.

In most cases, this code will trigger the “check engine” light to come on. The code can affect the vehicle’s drivability, and it is important to address it as soon as possible. If left unchecked, it can cause further damage to the vehicle, leading to more expensive repairs.

What causes the U0141 code?

While the ECM’s malfunction is among the most common reasons behind the code, there are some other potential causes you should have in mind. Here’s a complete list:

Faulty wiring

One of the most common causes of the U0141 code is faulty wiring. The wiring can become damaged over time, leading to a breakdown in communication between the modules. This can occur due to corrosion, exposure to the elements, or wear and tear.

Malfunctioning control module

If the communication circuit is working correctly, the problem may lie with the control module itself. A malfunctioning module can interrupt the communication circuit, leading to the code.

Dead battery

A dead battery can also trigger this code. When the battery dies, it can cause a momentary loss of communication between the modules, leading to the code.

Which car models does the U0141 code affect the most?

The U0141 code can affect any car model, but some models are more susceptible to it than others. The most common models that experience this code are those with high-tech electrical systems, such as luxury cars and high-performance vehicles. We did some more digging and here’s what we found out:

• Jeep Cherokee: Several Jeep models including the Cherokee have been known to experience U0141 codes due to issues with the TCM and other modules.
• Chrysler Town & Country: Some models, such as the Chrysler Town & Country, have also been reported to have issues related to communication errors between modules.
• Dodge Journey: The Dodge Journey is also among the models that have had reported cases of U0141 code.

How to diagnose the U0141 code

To diagnose the U0141 code, you will need a diagnostic tool. A scan tool can help you identify which module is causing the communication error. Here are the steps to diagnose the code:

Connect the scan tool

Connect the scan tool to the vehicle’s OBD-II port and turn the ignition switch to the ON position. The scan tool will communicate with the vehicle’s computer and retrieve the U0141 code.

Check for additional codes

Before proceeding with the diagnosis, check if there are any additional codes present. Additional codes may provide further insight into the root cause of the code.

Check the communication circuit

Once you have identified the code, check the communication circuit between the modules. Look for any signs of damage or wear and tear. You can also use a multimeter to check for continuity in the circuit.

Check the control module

If the communication circuit is working correctly, check the control module. Use the scan tool to communicate with the module and check for any fault codes. If the module is malfunctioning, you may need to replace it.

How to fix the U0141 code

The fix for the U0141 code will depend on the root cause of the problem. Here are the potential fixes for each cause of the code:

Faulty wiring

If the cause of the U0141 code is faulty wiring, you will need to repair or replace the damaged wiring. This may involve tracing the wiring and repairing it or replacing the entire harness.

Malfunctioning control module

If the control module is the problem, you may need to replace it. This is a more expensive repair, but it is necessary if the module is malfunctioning.

Dead battery

If the battery is the cause of the U0141 code, you will need to replace the battery. This is a simple fix and should not take long to complete.

How to prevent the U0141 code

Preventing the U0141 code involves routine maintenance and proper care of the vehicle’s electrical system. Here are some preventative measures:

• Regular maintenance of the car’s electrical system
• Checking the ECM
• Inspecting the wiring and connections for damage

Proper care of the vehicle’s electrical system is also important. This includes keeping the wiring and connectors clean and free of corrosion. It also means keeping the battery terminals clean and tight.

Our take

Overall, the U0141 code can be challenging to diagnose and fix. It is important to understand the code’s meaning and its potential causes to determine the appropriate fix.

By following the steps outlined in this article, you can diagnose and fix the code and prevent it from occurring in the future.