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U1130 GMC Code - Lost Communications With Remote Playback Device-CD Changer

Quick Answer

The U1130 GMC code indicates that there is a communication issue between the vehicle's onboard computer system and the remote playback device, specifically the CD changer. Common causes include Faulty wiring connections between the CD changer and the vehicle's computer, Malfunctioning CD changer unit, Communication error within the vehicle's network. 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
U1130 GMC indicates Lost Communications With Remote Playback Device-CD Changer.
Common causes
Common causes include Faulty wiring connections between the CD changer and the vehicle's computer, Malfunctioning CD changer unit, Communication error within the vehicle's network.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 15, 2024
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Code U1130 GMC Description

The U1130 GMC code indicates that there is a communication issue between the vehicle's onboard computer system and the remote playback device, specifically the CD changer. This means that the CD changer is not responding to the commands sent by the vehicle's computer, leading to a loss of communication. This can result in the CD changer not functioning properly, not being able to play CDs, or not being recognized by the vehicle's audio system.

OBDII Code U1130 GMC - Lost Communications With Remote Playback Device-CD Changer
U1130 GMC Code - Lost Communications With Remote Playback Device-CD Changer

Common Causes of U1130 GMC

  1. Faulty wiring connections between the CD changer and the vehicle's computer.
  2. Malfunctioning CD changer unit.
  3. Communication error within the vehicle's network.
  4. Software glitch in the vehicle's computer system.
  5. Electrical issues affecting the communication signals.

Symptoms of U1130 GMC

  1. CD changer not responding to commands.
  2. Inability to play CDs.
  3. Error messages on the audio system display.
  4. Audio system freezing or becoming unresponsive.
  5. Loss of audio output from the CD changer.

How to Fix U1130 GMC

  1. Begin by checking the wiring connections between the CD changer and the vehicle's computer for any loose or damaged wires. Repair or replace as needed.
  2. Test the CD changer unit to ensure it is functioning properly. Replace the CD changer if it is found to be faulty.
  3. Use a diagnostic tool to scan the vehicle's computer system for any error codes and reset the communication network.
  4. Update the software in the vehicle's computer system to the latest version to address any potential glitches.
  5. Perform a final test to ensure that the communication between the CD changer and the vehicle's computer has been restored.

Cost to Fix U1130 GMC

The typical repair costs for addressing the U1130 GMC code can vary depending on the specific cause of the communication issue. In general, the cost of parts such as a new CD changer unit or wiring components can range from $100 to $500. Labor costs at auto repair shops typically range from $80 to $150 per hour, with the total repair bill potentially amounting to $200 to $800 or more. It is advisable to consult with a professional mechanic to get an accurate estimate based on the specific diagnosis and repair needed for your vehicle.

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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 U1130 GMC Code

1. What are common symptoms of OBDII code U1130 GMC?

The common symptoms of U1130 GMC may include issues with the CD changer, such as the CD player not working, CDs not playing, or difficulty switching between CDs.

2. What are the possible causes of OBDII code U1130 GMC?

The U1130 GMC code typically indicates a communication error between the vehicle's onboard computer system and the remote playback device, such as a CD changer. This can be caused by a faulty wiring connection, a defective CD changer unit, or a problem with the vehicle's computer system.

3. How can I diagnose the issue related to OBDII code U1130 GMC?

Diagnosing the U1130 GMC code involves checking the wiring connections between the vehicle's computer system and the CD changer, inspecting the CD changer unit for any visible damage, and using a diagnostic scanner to read the specific error codes stored in the vehicle's computer system.

4. What are some repair tips for fixing OBDII code U1130 GMC?

Repairing U1130 GMC may involve repairing or replacing any damaged wiring connections, testing and possibly replacing the CD changer unit, and resetting the vehicle's computer system to clear the error code. It's recommended to consult a professional mechanic for accurate diagnosis and repair.

5. Can I still drive my vehicle with OBDII code U1130 GMC?

In most cases, it is safe to drive the vehicle with the U1130 GMC code, especially if there are no other noticeable performance issues. However, it's important to address the underlying communication problem between the vehicle's computer system and the CD changer to prevent further complications.

6. How do I reset the OBDII code U1130 GMC?

To reset the U1130 GMC code, you can use an OBDII scanner to clear the error code from the vehicle's computer system. Keep in mind that simply resetting the code without addressing the root cause may result in the code reappearing.

7. Is it necessary to replace the CD changer unit for OBDII code U1130 GMC?

Replacing the CD changer unit is one possible solution for resolving the U1130 GMC code, especially if the unit is found to be faulty during diagnosis. However, it's important to conduct a thorough inspection and diagnosis before deciding on a repair or replacement.

8. Are there any recalls related to OBDII code U1130 GMC?

Recalls related to OBDII code U1130 GMC are specific to vehicle models and years. It's recommended to check with the manufacturer or a certified dealership to see if there are any recalls or technical service bulletins related to this issue for your specific vehicle.

9. Can a DIY enthusiast fix OBDII code U1130 GMC?

While some basic troubleshooting steps can be performed by a DIY enthusiast, diagnosing and repairing the underlying cause of U1130 GMC may require specialized tools and expertise. It's best to consult a professional mechanic for accurate diagnosis and repair.

10. How can I prevent OBDII code U1130 GMC from recurring?

To prevent the U1130 GMC code from recurring, it's important to address the root cause of the communication error between the vehicle's computer system and the CD changer. Regular maintenance checks, proper wiring connections, and timely repairs can help prevent this issue from happening again.

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