AutoCodes – Chevrolet – U2179 Chevrolet

U2179 Chevrolet Code - Lost Communication With Television Module

Quick Answer

Devices connected to the serial data circuits monitor for serial data communications during normal vehicle operation. Common causes include Faulty Television Module, Television Module harness is open or shorted, Television Module 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: U2179 Chevrolet indicates Lost Communication With Television Module.
Common causes: Common causes include Faulty Television Module, Television Module harness is open or shorted, Television Module 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 667

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 Jun 16, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code U2179 Chevrolet Description

Devices connected to the serial data circuits monitor for serial data communications during normal vehicle operation. Operating information and commands are exchanged among the devices. The devices have prerecorded information about what messages are needed to be exchanged on the serial data circuits, for each virtual network. The messages are supervised and also, some periodic messages are used by the receiver device as an availability indication of the transmitter device. Each message contains the identification number of the transmitter device. A loss of serial data communications Diagnostic Trouble Code (DTC) does not represent a failure of the devices that contain the stored code. The DTC will set when a supervised periodic message that includes the transmitter device availability has not been received.

OBDII Code U2179 Chevrolet - Lost Communication With Television Module - AutoCodes.com — U2179 Chevrolet Code - Lost Communication With Television Module

What does this mean?

What are the Possible Causes of the DTC U2179 Chevrolet?

Faulty Television Module
Television Module harness is open or shorted
Television Module circuit poor electrical connection

How to Fix the DTC U2179 Chevrolet?

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 U2179 Chevrolet 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.

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Need more information on how to fix the U2179 Chevrolet 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 U2179 Chevrolet Code

1. What are common symptoms of OBDII code U2179 in a Chevrolet indicating a lost communication with the television module?

- Common symptoms include the television screen not displaying any information, loss of audio or video functions, and possible issues with other entertainment system components.

2. What are possible causes of the U2179 trouble code in a Chevrolet related to a lost communication with the television module?

- Potential causes include a faulty television module, damaged wiring or connectors, a blown fuse, software glitches, or issues with the vehicle's communication network.

3. How can I diagnose the U2179 OBDII trouble code in a Chevrolet affecting communication with the television module?

- Diagnosis typically involves checking the television module for power and ground, inspecting the wiring and connectors for damage, scanning for other related trouble codes, and using a diagnostic scanner to communicate with the module.

4. Are there any DIY repair tips for fixing the U2179 Chevrolet trouble code related to lost communication with the television module?

- DIY repair tips may include checking and replacing blown fuses, inspecting and repairing damaged wiring or connectors, and performing a software update on the television module if applicable.

5. Can a U2179 trouble code in a Chevrolet be cleared/reset without fixing the underlying issue with the television module communication?

- While the trouble code can be cleared/reset using a diagnostic scanner, it is important to address the root cause of the communication problem to prevent the code from reoccurring.

6. Is it safe to continue driving a Chevrolet with the U2179 OBDII trouble code indicating lost communication with the television module?

- It is generally safe to drive the vehicle with this code, but it is recommended to address the issue promptly to restore proper functionality and prevent any potential long-term issues.

7. How much does it typically cost to repair the U2179 trouble code in a Chevrolet related to lost communication with the television module?

- Repair costs can vary depending on the exact cause of the communication problem, but they may range from a few hundred dollars for simple fixes like fuse replacement to over a thousand dollars for module replacement.

8. Can a U2179 trouble code in a Chevrolet be a false alarm, or is it always indicative of a genuine communication issue with the television module?

- While false alarms are possible, it is important to investigate the code thoroughly as it typically points to a real problem with communication between the vehicle's systems and the television module.

9. Are there any recalls or technical service bulletins (TSBs) related to the U2179 OBDII trouble code in Chevrolet vehicles?

- It is recommended to check with a Chevrolet dealership or online resources for any relevant recalls or TSBs related to the U2179 trouble code to see if there are known issues or remedies provided by the manufacturer.

10. Can a U2179 trouble code in a Chevrolet affect other vehicle systems besides the television module, and if so, how?

- In some cases, a communication issue with the television module can impact other systems connected to the vehicle's communication network, potentially leading to malfunctions in related components or features.