AutoCodes – GMC – U1192 GMC

U1192 GMC Code - Lost Communications With Theft Deterrent Control Module

Quick Answer

Modules connected to the class 2 serial data circuit monitor for serial data communications during normal vehicle operation. Common causes include Faulty Theft Deterrent Control Module (VTD), Theft Deterrent Control Module harness is open or shorted, Theft Deterrent Control 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: U1192 GMC indicates Lost Communications With Theft Deterrent Control Module.
Common causes: Common causes include Faulty Theft Deterrent Control Module (VTD), Theft Deterrent Control Module harness is open or shorted, Theft Deterrent Control 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 2,658

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 Apr 26, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code U1192 GMC Description

Modules connected to the class 2 serial data circuit monitor for serial data communications during normal vehicle operation. Operating information and commands are exchanged among the modules. When a module receives a message for a critical operating parameter, the module records the identification number of the module which sent the message for the state of health monitoring/node alive messages. A critical operating parameter is one which, when not received, requires that the module use a default value for that parameter. Once an identification number is learned by a module, it will monitor for that module node alive message. Each module on the class 2 serial data circuit is required to send a Node Alive message every 2 seconds. When no message is detected from a learned identification number for 5 seconds, a Diagnostic Trouble Code (DTC) U1192 is set.

OBDII Code U1192 GMC - Lost Communications With Theft Deterrent Control Module - AutoCodes.com — U1192 GMC Code - Lost Communications With Theft Deterrent Control Module

What does this mean?

What are the Possible Causes of the DTC U1192 GMC?

Faulty Theft Deterrent Control Module (VTD)
Theft Deterrent Control Module harness is open or shorted
Theft Deterrent Control Module circuit poor electrical connection

How to Fix the DTC U1192 GMC?

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 U1192 GMC 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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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 U1192 GMC Code

1. What are the common symptoms of OBDII code U1192 GMC?

- Common symptoms include issues with starting the vehicle, the security light staying on, and problems with the key fob.

2. What are the possible causes of the U1192 GMC code?

- The code can be triggered by a faulty theft deterrent control module, wiring issues, a damaged key fob, or a communication error between the module and other vehicle systems.

3. How can I diagnose the U1192 GMC code at home?

- You can start by checking the condition of the key fob, inspecting the wiring for any visible damage, and ensuring that all connections to the theft deterrent control module are secure.

4. Can I still drive my vehicle with the U1192 GMC code present?

- It is not recommended to drive the vehicle with this code present, as it can lead to potential security issues and may cause further damage to the vehicle's systems.

5. How can I repair the U1192 GMC code?

- Repair options include replacing the theft deterrent control module, repairing any damaged wiring, reprogramming the key fob, or seeking assistance from a professional mechanic for a comprehensive diagnosis.

6. Will disconnecting the battery reset the U1192 GMC code?

- Disconnecting the battery may temporarily reset the code, but it is important to address the underlying issue causing the code to prevent it from recurring.

7. Can a DIY enthusiast fix the U1192 GMC code?

- Some basic troubleshooting steps can be performed by a DIY enthusiast, but due to the complexity of the theft deterrent system, it is recommended to seek professional help for an accurate diagnosis and repair.

8. How much does it typically cost to repair the U1192 GMC code?

- The cost of repairing the U1192 GMC code can vary depending on the specific cause of the issue, but it may range from a few hundred dollars to over a thousand dollars, including parts and labor.

9. Will resetting the code make it go away permanently?

- Resetting the code may temporarily clear it, but if the root cause of the issue is not addressed, the code is likely to reappear. It is important to diagnose and fix the underlying problem to prevent further issues.

10. Is the U1192 GMC code a common problem in GMC vehicles?

- The U1192 code related to lost communication with the theft deterrent control module can occur in some GMC vehicles, particularly in models equipped with advanced security systems.