U1167 GMC Code - Lost Communications With Rear Seat Audio Controller
Quick Answer
The U1167 GMC code indicates that the vehicle's onboard diagnostic system has detected a communication failure with the rear seat audio controller. Common causes include Damaged wiring or connectors leading to the rear seat audio controller, Faulty rear seat audio controller unit, Network communication issues within the vehicle's system. 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
- U1167 GMC indicates Lost Communications With Rear Seat Audio Controller.
- Common causes
- Common causes include Damaged wiring or connectors leading to the rear seat audio controller, Faulty rear seat audio controller unit, Network communication issues within the vehicle's system.
- 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.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code U1167 GMC Description
The U1167 GMC code indicates that the vehicle's onboard diagnostic system has detected a communication failure with the rear seat audio controller. This controller is responsible for managing the audio system in the rear seats of the vehicle, including volume control, source selection, and other audio-related functions. When communication is lost with this controller, it can lead to a variety of issues related to the rear seat audio system.
Common Causes of U1167 GMC
- Damaged wiring or connectors leading to the rear seat audio controller
- Faulty rear seat audio controller unit
- Network communication issues within the vehicle's system
- Software glitches or malfunctions in the vehicle's computer system
Symptoms of U1167 GMC
- Loss of audio output from the rear seat speakers
- Inability to control the rear seat audio system from the front controls
- Error messages on the vehicle's display related to the rear seat audio system
- Intermittent or erratic behavior of the rear seat audio system
How to Fix U1167 GMC
- Begin by inspecting the wiring and connectors leading to the rear seat audio controller for any signs of damage or corrosion. Repair or replace any damaged components as needed.
- Test the rear seat audio controller unit to determine if it is functioning properly. Replace the controller if it is found to be faulty.
- Check the vehicle's network communication system for any issues that may be causing the communication failure. Reset or reprogram the system as necessary.
- Clear the U1167 code from the vehicle's computer system using a diagnostic scanner.
- Test the rear seat audio system to ensure that communication has been restored and that all functions are working correctly.
Cost to Fix U1167 GMC
The cost of repairing a U1167 GMC code can vary depending on the specific cause of the issue and the labor rates at the auto repair shop. In general, the repair costs for this issue can range from $100 to $500, including parts and labor. It is advisable to check with local auto repair shops for more accurate estimates based on your vehicle make and model, as well as the extent of the repair needed. Keep in mind that diagnostic time and labor rates can vary, so it's important to get multiple quotes before proceeding with the repair.
Need more information about the U1167 GMC code?
Need more information on how to fix the U1167 GMC code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the U1167 GMC code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about U1167 GMC Code
1. What are the common symptoms of OBDII code U1167 GMC (Lost Communications With Rear Seat Audio Controller)?
- Common symptoms include loss of audio output from the rear seat entertainment system, malfunctioning volume controls, and issues with audio source selection.
2. What are the possible causes of OBDII code U1167 GMC?
- Possible causes may include a faulty rear seat audio controller, damaged wiring or connectors between the controller and the main system, or a communication error within the vehicle's network.
3. How can I diagnose the issue related to code U1167 GMC?
- Diagnose the problem by checking the wiring and connectors for any visible damage, testing the rear seat audio controller for functionality, and using a diagnostic scanner to analyze communication signals within the system.
4. Can a loose connection trigger code U1167 GMC?
- Yes, a loose or poor connection between the rear seat audio controller and the main system can lead to code U1167 GMC triggering due to communication disruptions.
5. Is it possible to reset code U1167 GMC without repairing the issue?
- It is possible to clear the code temporarily by using a diagnostic scanner to reset the system. However, the code is likely to reappear if the underlying issue with the communication remains unresolved.
6. Are there any DIY repair tips for addressing code U1167 GMC?
- DIY repair tips may include checking and securing all connections, inspecting for visible wiring damage, and ensuring proper power supply to the rear seat audio controller.
7. Can code U1167 GMC be a serious issue that affects vehicle performance?
- While code U1167 GMC typically relates to a communication problem with the rear seat audio system, ignoring the issue could potentially lead to other electrical malfunctions within the vehicle's network over time.
8. How much does it cost to repair OBDII code U1167 GMC at a professional auto repair shop?
- The cost of repairing code U1167 GMC can vary depending on the extent of the issue, but it may involve diagnostic fees, labor costs, and parts replacement, potentially ranging from $100 to $300 or more.
9. Is it safe to continue driving with OBDII code U1167 GMC present?
- It is generally safe to drive with code U1167 GMC present, as it primarily affects the rear seat audio system. However, it is recommended to address the issue promptly to prevent any potential electrical problems down the line.
10. How long does it typically take to repair code U1167 GMC?
- The repair time for code U1167 GMC can vary based on the specific cause of the issue. Simple fixes like reconnecting loose wires may take a short time, while more complex problems could require several hours or even a full day at the repair shop.
Discuss the causes and fixes for U1167 GMC OBDII Code
Code U1167 GMC comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.