AutoCodes – Chevrolet – U184C 2016 Chevrolet Silverado

U184C 2016 Chevrolet Silverado Code - Lost Communication with Instrument Cluster 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 Instrument Cluster, Instrument Cluster harness is open or shorted, Instrument Cluster 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: U184C 2016 Chevrolet Silverado indicates Lost Communication with Instrument Cluster on Low Speed CAN Bus.
Common causes: Common causes include Faulty Instrument Cluster, Instrument Cluster harness is open or shorted, Instrument Cluster 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 235

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 U184C 2016 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 U184C 2016 Chevrolet Silverado - Lost Communication with Instrument Cluster on Low Speed CAN Bus - AutoCodes.com — U184C 2016 Chevrolet Silverado Code - Lost Communication with Instrument Cluster on Low Speed CAN Bus

What does this mean?

What are the Possible Causes of the DTC U184C 2016 Chevrolet Silverado?

Faulty Instrument Cluster
Instrument Cluster harness is open or shorted
Instrument Cluster circuit poor electrical connection

How to Fix the DTC U184C 2016 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 U184C 2016 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 U184C 2016 Chevrolet Silverado code?

Need more information on how to fix the U184C 2016 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 U184C 2016 Chevrolet Silverado Code

1. What are the common symptoms of OBDII code U184C in a 2016 Chevrolet Silverado?

- Common symptoms include loss of communication with the instrument cluster, malfunctioning gauges, warning lights on the dashboard, and issues with the vehicle's display screen.

2. What does the OBDII code U184C indicate in a 2016 Chevrolet Silverado?

- The code U184C indicates a communication error or loss of connection with the instrument cluster on the Low Speed CAN Bus network.

3. What are the possible causes of code U184C in a 2016 Chevrolet Silverado?

- Possible causes include damaged wiring or connectors, a faulty instrument cluster, issues with the CAN Bus network, a defective control module, or a software glitch.

4. How can I diagnose the source of the U184C code in my 2016 Chevrolet Silverado?

- Diagnose by checking the wiring and connectors for damage, inspecting the instrument cluster for faults, testing the CAN Bus network, scanning for other related trouble codes, and consulting a professional if needed.

5. Can code U184C be cleared/reset in a 2016 Chevrolet Silverado?

- The code can be cleared/reset using an OBDII scanner or by disconnecting the battery for a few minutes. However, if the underlying issue is not resolved, the code is likely to reappear.

6. Is it safe to continue driving with OBDII code U184C present in a 2016 Chevrolet Silverado?

- It is not recommended to drive with code U184C present, as it may lead to inaccurate instrument readings and potentially affect the vehicle's performance or safety systems.

7. How can I repair OBDII code U184C in my 2016 Chevrolet Silverado?

- Repair methods may involve fixing damaged wiring, replacing faulty connectors or components, reprogramming control modules, or seeking professional assistance for further diagnosis and repair.

8. Can a DIY enthusiast fix code U184C in a 2016 Chevrolet Silverado?

- Depending on the underlying cause, some DIY enthusiasts may be able to address simple issues like loose connections or minor wiring problems. However, more complex repairs may require professional expertise.

9. Will code U184C cause my 2016 Chevrolet Silverado to fail an emissions test?

- Code U184C itself may not directly cause an emissions test failure, but it indicates a problem that should be addressed to ensure proper functioning of the vehicle's systems and potentially avoid future issues.

10. How can I prevent OBDII code U184C from appearing in my 2016 Chevrolet Silverado in the future?

- To prevent code U184C, regularly inspect and maintain the vehicle's wiring, connectors, and instrument cluster, address any issues promptly, and follow recommended service schedules for your Chevrolet Silverado.