AutoCodes – Buick – U1130 Buick

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

Quick Answer

Modules connected to the class 2 serial data circuit monitor for serial data communications during normal vehicle operation. Common causes include Faulty Remote Playback Device-CD Changer (CDX), Remote Playback Device-CD Changer harness is open or shorted, Remote Playback Device-CD Changer 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: U1130 Buick indicates Lost Communications With Remote Playback Device-CD Changer.
Common causes: Common causes include Faulty Remote Playback Device-CD Changer (CDX), Remote Playback Device-CD Changer harness is open or shorted, Remote Playback Device-CD Changer 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 455

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 23, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code U1130 Buick 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) U1130 is set.

OBDII Code U1130 Buick - Lost Communications With Remote Playback Device-CD Changer - AutoCodes.com — U1130 Buick Code - Lost Communications With Remote Playback Device-CD Changer

What does this mean?

What are the Possible Causes of the DTC U1130 Buick?

Faulty Remote Playback Device-CD Changer (CDX)
Remote Playback Device-CD Changer harness is open or shorted
Remote Playback Device-CD Changer circuit poor electrical connection

How to Fix the DTC U1130 Buick?

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 U1130 Buick 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 U1130 Buick Code

1. What are the common symptoms of OBDII code U1130 in a Buick related to "Lost Communications With Remote Playback Device-CD Changer"?

- Common symptoms include the CD changer not responding, issues with the remote playback device, and error messages related to lost communication.

2. What are some possible causes of OBDII code U1130 in a Buick?

- Possible causes include a faulty CD changer, issues with the remote playback device, damaged wiring or connectors, or a communication module malfunction.

3. How can I diagnose the OBDII code U1130 in my Buick?

- To diagnose the code, you can use an OBDII scanner to read the code and check for any additional codes present. Inspect the CD changer, remote playback device, wiring, and connectors for any visible damage.

4. What should I do if I encounter OBDII code U1130 in my Buick?

- If you encounter this code, first check the connections and wiring related to the CD changer and remote playback device. Ensure they are properly connected and not damaged. Resetting the system or replacing faulty components may be necessary.

5. Can I still drive my Buick with OBDII code U1130 present?

- It is generally safe to drive your Buick with this code, but it is recommended to address the issue promptly to prevent any further damage or malfunctions in the audio system.

6. How can I repair OBDII code U1130 related to "Lost Communications With Remote Playback Device-CD Changer" in my Buick?

- Repairing this code may involve checking and repairing the connections, replacing the CD changer or remote playback device if they are faulty, or resetting the system to establish communication.

7. Is it possible to reset OBDII code U1130 in a Buick without professional help?

- You can attempt to reset the code by disconnecting the vehicle's battery for a few minutes and then reconnecting it. However, if the underlying issue is not resolved, the code may reappear.

8. Will replacing the CD changer fix OBDII code U1130 in my Buick?

- Replacing the CD changer may resolve the U1130 code if the issue is specifically related to the CD changer's communication. However, it is advisable to diagnose the problem accurately before replacing any components.

9. Are there any common electrical issues that can trigger OBDII code U1130 in a Buick?

- Yes, common electrical issues that can trigger this code include corroded or loose wiring connections, damaged connectors, or a malfunctioning communication module in the audio system.

10. Can weather conditions affect the occurrence of OBDII code U1130 in a Buick?

- Extreme weather conditions such as excessive heat or moisture can potentially impact the electrical connections and components related to the CD changer and remote playback device, leading to the U1130 code.