AutoCodes – Chevrolet – U1519 Chevrolet

U1519 Chevrolet Code - Seat Memory Control Module Lost Communication With Mirror Control Module/Drive Mirror Control Module/Left Mirror Control Module On LIN Bus

Quick Answer

The Local Interconnect Network (LIN) Bus consists of a single wire with a transmission rate of 10.417 Kbit/s. Common causes include Faulty Mirror Control Module/Drive Mirror Control Module/Left Mirror Control Module, Mirror Control Module/Drive Mirror Control Module/Left Mirror Control Module harness is open or shorted, Mirror Control Module/Drive Mirror Control Module/Left Mirror 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
U1519 Chevrolet indicates Seat Memory Control Module Lost Communication With Mirror Control Module/Drive Mirror Control Module/Left Mirror Control Module On LIN Bus.
Common causes
Common causes include Faulty Mirror Control Module/Drive Mirror Control Module/Left Mirror Control Module, Mirror Control Module/Drive Mirror Control Module/Left Mirror Control Module harness is open or shorted, Mirror Control Module/Drive Mirror Control Module/Left Mirror 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 2,651
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jun 03, 2020
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Code U1519 Chevrolet Description

The Local Interconnect Network (LIN) Bus consists of a single wire with a transmission rate of 10.417 Kbit/s. The serial data is transmitted over a LIN circuit between a master control module and other LIN devices within a particular subsystem. If serial data communication is lost between any of the LIN devices on the LIN bus network, the master control module will set a no communication code against the non-communicating LIN device. The Diagnostic Trouble Code (DTC) will set when a supervised periodic message to the Seat Memory Control Module from the Mirror Control Module/Drive Mirror Control Module/Left Mirror Control Module has not been received.
OBDII Code U1519 Chevrolet - Seat Memory Control Module Lost Communication With Mirror Control Module/Drive Mirror Control Module/Left Mirror Control Module On LIN Bus - AutoCodes.com
U1519 Chevrolet Code - Seat Memory Control Module Lost Communication With Mirror Control Module/Drive Mirror Control Module/Left Mirror Control Module On LIN Bus

What are the Possible Causes of the DTC U1519 Chevrolet?

  • Faulty Mirror Control Module/Drive Mirror Control Module/Left Mirror Control Module
  • Mirror Control Module/Drive Mirror Control Module/Left Mirror Control Module harness is open or shorted
  • Mirror Control Module/Drive Mirror Control Module/Left Mirror Control Module circuit poor electrical connection
  • Faulty Seat Memory Control Module

How to Fix the DTC U1519 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 U1519 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.

Need more information about the U1519 Chevrolet code?

Need more information on how to fix the U1519 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 U1519 Chevrolet Code

1. What are the common symptoms of OBDII code U1519 in a Chevrolet related to the Seat Memory Control Module?

- Common symptoms include issues with seat memory functions, loss of communication with mirror control modules, and potential mirror adjustment problems.

2. What can cause the Seat Memory Control Module to lose communication with the Mirror Control Module in a Chevrolet?

- Causes can include damaged wiring or connectors, a faulty mirror control module, a malfunctioning LIN bus network, or issues with the Seat Memory Control Module itself.

3. How can I diagnose the U1519 code in a Chevrolet to pinpoint the exact issue?

- A thorough diagnostic scan using an OBDII scanner capable of reading manufacturer-specific codes will help identify the specific module or component causing the communication loss.

4. Can a DIY enthusiast repair the U1519 code in a Chevrolet, or is professional assistance recommended?

- While some basic troubleshooting like checking connections and fuses can be done by DIY enthusiasts, resolving the U1519 code often requires professional diagnostic equipment and expertise.

5. Are there any repair tips for fixing the Seat Memory Control Module communication issue in a Chevrolet?

- Ensure all connections are secure, check for any damaged wiring, and consider resetting the modules by disconnecting the battery for a few minutes before reconnecting it.

6. What other modules may be affected by the communication loss between the Seat Memory Control Module and the Mirror Control Module in a Chevrolet?

- Depending on the vehicle's configuration, other modules like the Drive Mirror Control Module or Left Mirror Control Module may also be impacted by the communication loss on the LIN bus network.

7. Is it safe to continue driving a Chevrolet with the U1519 code present, or should the issue be addressed immediately?

- While the vehicle may still be operable in most cases, it is recommended to address the U1519 code promptly to avoid potential safety hazards or further electrical system malfunctions.

8. Can extreme weather conditions or environmental factors contribute to the U1519 code appearing in a Chevrolet?

- Yes, extreme temperatures, moisture infiltration, or harsh environmental conditions can sometimes lead to communication disruptions between modules on the LIN bus network, triggering the U1519 code.

9. How long does it typically take a professional technician to diagnose and repair the U1519 code in a Chevrolet?

- The time required for diagnosis and repair can vary depending on the specific issue, but a professional technician with the proper tools and expertise can often resolve the U1519 code within a few hours to a day.

10. Are there any software updates or recalls related to the U1519 code for Chevrolet vehicles that owners should be aware of?

- It is advisable to check with a Chevrolet dealership or authorized service center for any available software updates or recalls related to the U1519 code to ensure the vehicle is up-to-date with the latest fixes and improvements.

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