AutoCodes – Chevrolet – U184D 2014 Chevrolet Silverado

U184D 2014 Chevrolet Silverado Code - Lost Communication with Radio on Low Speed CAN Bus

Quick Answer

The serial data circuit is the means by which the devices in the vehicle communicate with each other. Common causes include Faulty Radio, Radio harness is open or shorted, Radio circuit poor electrical connection. 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: U184D 2014 Chevrolet Silverado indicates Lost Communication with Radio on Low Speed CAN Bus.
Common causes: Common causes include Faulty Radio, Radio harness is open or shorted, Radio circuit poor electrical connection.
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.

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Code Popularity 215

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jul 24, 2023

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code U184D 2014 Chevrolet Silverado Description

The serial data circuit is the means by which the devices in the vehicle communicate with each other. Once the scan tool is connected to the serial data circuit through the Data Link Connector (DLC), the scan tool can be used to monitor each device for diagnostic purposes and to check for Diagnostic Trouble Codes (DTC). When the vehicle is ON, each device communicating on the serial data circuit sends a state of health message to ensure that the device is operating properly. When a device stops communicating on the serial data circuit, for example, if the device loses power or ground, the state of health message it normally sends on the serial data circuit disappears. Other devices on the serial data circuit, which expect to receive that state of health message, detect its absence; those devices in turn set a DTC associated with the loss of state of health of the non-communicating device. A loss of serial data communications DTC does not represent a failure of the devices that contain the stored DTC.

OBDII Code U184D 2014 Chevrolet Silverado - Lost Communication with Radio on Low Speed CAN Bus - AutoCodes.com — U184D 2014 Chevrolet Silverado Code - Lost Communication with Radio on Low Speed CAN Bus

What does this mean?

What are the Possible Causes of the DTC U184D 2014 Chevrolet Silverado?

Faulty Radio
Radio harness is open or shorted
Radio circuit poor electrical connection

How to Fix the DTC U184D 2014 Chevrolet Silverado?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the U184D 2014 Chevrolet Silverado code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the U184D 2014 Chevrolet Silverado code?

Need more information on how to fix the U184D 2014 Chevrolet Silverado code? Get Access to Factory Service Manuals

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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 U184D 2014 Chevrolet Silverado Code

1. What are common symptoms of OBDII code U184D in a 2014 Chevrolet Silverado?

- Common symptoms include the radio not functioning properly, loss of communication with other modules, and potentially other electrical issues.

2. What does the code U184D indicate in a 2014 Chevrolet Silverado?

- The code U184D indicates a communication error between the radio and the Low Speed CAN Bus network in the vehicle.

3. What are possible causes of the U184D code in a 2014 Chevrolet Silverado?

- Possible causes include a faulty radio module, wiring issues, a defective CAN Bus network, or a malfunctioning control module.

4. How can I diagnose the U184D code in my 2014 Chevrolet Silverado?

- Diagnosing the U184D code may require using a diagnostic scanner to communicate with the vehicle's modules, checking the wiring connections, and testing the radio module for proper functionality.

5. Can I still drive my 2014 Chevrolet Silverado with the U184D code present?

- In most cases, it is safe to drive the vehicle with the U184D code, but it is recommended to address the issue promptly to avoid potential electrical problems.

6. How can I repair the U184D code in my 2014 Chevrolet Silverado?

- Repairing the U184D code may involve replacing the radio module, repairing any damaged wiring, ensuring proper connections, or reprogramming control modules if necessary.

7. Is the U184D code a common issue in 2014 Chevrolet Silverado vehicles?

- While not extremely common, the U184D code can occur in 2014 Chevrolet Silverado vehicles due to communication issues within the vehicle's network.

8. Can a DIY enthusiast fix the U184D code in a 2014 Chevrolet Silverado?

- Depending on the root cause of the issue, a DIY enthusiast may be able to address the U184D code by checking connections and replacing the radio module if needed.

9. Will resetting the OBDII system clear the U184D code in a 2014 Chevrolet Silverado?

- Resetting the OBDII system may temporarily clear the code, but if the underlying issue is not addressed, the code is likely to reappear upon further diagnostics.

10. How much does it typically cost to repair the U184D code in a 2014 Chevrolet Silverado?

- The cost of repairing the U184D code can vary depending on the specific issue, parts needed, and labor costs, but it may range from a few hundred to over a thousand dollars at a dealership or repair shop.