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U183E 2017 GMC Sierra Code - Lost Communication with Telematics Communication Interface Control Module on Low Speed CAN Bus

Quick Answer

The U183E diagnostic trouble code (DTC) for a 2017 GMC Sierra indicates that there is a communication problem with the Telematics Communication Interface Control Module on the Low Speed Controller Area Network (CAN) bus. Common causes include Faulty wiring or connectors, Malfunctioning Telematics Communication Interface Control Module, Issues with the CAN bus network. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
U183E 2017 GMC Sierra indicates Lost Communication with Telematics Communication Interface Control Module on Low Speed CAN Bus.
Common causes
Common causes include Faulty wiring or connectors, Malfunctioning Telematics Communication Interface Control Module, Issues with the CAN bus network.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
What is this?
Table of contents Created and updated by William Orellana on Sep 29, 2024
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Code U183E 2017 GMC Sierra Description

The U183E diagnostic trouble code (DTC) for a 2017 GMC Sierra indicates that there is a communication problem with the Telematics Communication Interface Control Module on the Low Speed Controller Area Network (CAN) bus. The Telematics Communication Interface Control Module is responsible for managing communication between various systems in the vehicle, such as the infotainment system, GPS, and emergency services. When communication is lost with this module, it can lead to a variety of issues affecting the vehicle's performance and functionality.

OBDII Code U183E 2017 GMC Sierra - Lost Communication with Telematics Communication Interface Control Module on Low Speed CAN Bus
U183E 2017 GMC Sierra Code - Lost Communication with Telematics Communication Interface Control Module on Low Speed CAN Bus

Common Causes of U183E 2017 GMC Sierra

  1. Faulty wiring or connectors
  2. Malfunctioning Telematics Communication Interface Control Module
  3. Issues with the CAN bus network
  4. Problems with other modules communicating with the Telematics module

Symptoms of U183E 2017 GMC Sierra

  1. Loss of GPS functionality
  2. Inability to make hands-free calls
  3. Malfunctioning emergency assistance features
  4. Warning lights on the dashboard related to communication systems

How to Fix U183E 2017 GMC Sierra

  1. Perform a diagnostic scan to retrieve the specific DTC and pinpoint the source of the communication issue.
  2. Inspect wiring and connectors for any damage or corrosion, repairing or replacing as needed.
  3. Test the Telematics module for proper functionality and replace if necessary.
  4. Check the CAN bus network for any faults or communication errors, addressing as required.
  5. Clear the DTC and test the vehicle to ensure proper communication with the Telematics module.

Cost to Fix U183E 2017 GMC Sierra

The typical repair costs for addressing a U183E code on a 2017 GMC Sierra can vary depending on the specific cause of the communication issue. In general, the cost of parts for this repair could range from $100 to $500, with labor costs adding an additional $100 to $300. However, it's important to note that diagnosis time and labor rates at auto repair shops can vary significantly based on factors such as location, vehicle make and model, and engine type. It's recommended to check with local shops for a more accurate estimate of repair costs.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about U183E 2017 GMC Sierra Code

1. What does the OBDII code U183E mean on a 2017 GMC Sierra?

This code indicates that the vehicle’s systems have lost communication with the Telematics Communication Interface Control Module (TCICM) on the low-speed CAN bus.

2. What are the common symptoms of code U183E in a 2017 GMC Sierra?

Symptoms include OnStar or telematics system malfunctions, warning lights on the dashboard, or a lack of communication with the telematics module during diagnostics.

3. What causes the U183E code to appear in a 2017 GMC Sierra?

The most common causes are wiring issues, a faulty TCICM, a poor connection at the module, or a malfunction in the low-speed CAN bus network.

4. Can a bad battery cause the U183E code?

Yes, a weak or failing battery can cause communication errors, including the U183E code, due to inconsistent voltage supply to the module.

5. How do I diagnose the U183E code in a 2017 GMC Sierra?

Start by checking the wiring and connectors for damage or corrosion, inspect the low-speed CAN bus network, and test the TCICM for proper operation.

6. What tools are needed to troubleshoot the U183E code?

You’ll need a scan tool capable of reading manufacturer-specific codes, a multimeter for testing circuits, and possibly a wiring diagram for the telematics system.

7. Can I drive my 2017 GMC Sierra with a U183E code?

While the vehicle may still be drivable, systems like OnStar or telematics features may not function properly, which could be a safety concern in certain situations.

8. How do I fix the U183E code on my 2017 GMC Sierra?

Repairs might involve replacing the TCICM, repairing damaged wires or connectors, or addressing issues in the low-speed CAN bus network.

9. How much does it cost to repair a U183E code?

The cost can vary depending on the issue, but repairing wiring or connectors may cost less than $200, while replacing the TCICM can cost $500–$1,000 or more.

10. Can a software update fix the U183E code?

In some cases, a software update for the telematics module or other related systems may resolve communication issues, especially if the module is not defective.

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