U1519 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 U1519 diagnostic trouble code (DTC) indicates that the Seat Memory Control Module has lost communication with the Mirror Control Module, Drive Mirror Control Module, or Left Mirror Control Module on the LIN Bus. Common causes include Faulty Seat Memory Control Module, Faulty Mirror Control Module, Loose or corroded wiring connections between modules. 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 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 Seat Memory Control Module, Faulty Mirror Control Module, Loose or corroded wiring connections between modules.
- 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 U1519 Description
The U1519 diagnostic trouble code (DTC) indicates that the Seat Memory Control Module has lost communication with the Mirror Control Module, Drive Mirror Control Module, or Left Mirror Control Module on the LIN Bus. The LIN Bus is a communication network used in vehicles to connect various control modules and sensors. In this case, the Seat Memory Control Module is unable to communicate with the mirror control modules, which can lead to issues with the operation of the mirrors, seat memory functions, and potentially affect other systems in the vehicle.
Common Causes of U1519
- Faulty Seat Memory Control Module.
- Faulty Mirror Control Module.
- Loose or corroded wiring connections between modules.
- Software issues in the control modules.
- Electrical interference or LIN Bus communication issues.
Symptoms of U1519
- Power mirrors not adjusting properly or at all.
- Inability to use seat memory function to adjust mirrors.
- Auto-dimming mirror feature not functioning.
- Mirror folding feature not working.
- Malfunction indicator light (MIL) illuminated on the dashboard.
How to Fix U1519
- Perform a diagnostic scan with a professional automotive scanner to retrieve the specific fault codes and pinpoint the issue.
- Inspect the wiring harness and connections between the Seat Memory Control Module and Mirror Control Modules for any damage, corrosion, or loose connections. Repair or replace as necessary.
- Test the functionality of the Mirror Control Modules to determine if they are communicating properly with the Seat Memory Control Module. Replace any faulty modules.
- Update the software in the control modules to the latest version, as software glitches can sometimes cause communication errors.
- Clear the fault codes and perform a system reset to ensure proper communication between the modules.
Cost to Fix U1519
The typical repair costs for addressing the U1519 DTC can vary depending on the specific cause of the issue and the extent of the repairs needed. In general, the cost of parts for replacing modules or wiring harnesses can range from $200 to $500, while labor charges can add an additional $100 to $300. Overall, the total repair cost for resolving this issue may fall within the range of $300 to $800. It is recommended to consult with a trusted auto repair shop for a more accurate estimate based on the vehicle make and model, as well as any additional factors that may impact the repair process.
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Code U1519 Information for Specific Makes
- U1519 Buick — Seat Memory Control Module Lost Communication With Mirror Control Module/Drive Mirror Control Module/Left Mirror Control Module On LIN Bus
- U1519 Cadillac — Seat Memory Control Module Lost Communication With Mirror Control Module/Drive Mirror Control Module/Left Mirror Control Module On LIN Bus
- U1519 Chevrolet — Seat Memory Control Module Lost Communication With Mirror Control Module/Drive Mirror Control Module/Left Mirror Control Module On LIN Bus
- U1519 GMC — Seat Memory Control Module Lost Communication With Mirror Control Module/Drive Mirror Control Module/Left Mirror Control Module On LIN Bus
Frequently Asked Questions about U1519 Code
1. What are the common symptoms of OBDII code U1519?
The common symptoms of code U1519 include issues with the seat memory function, faulty power mirrors, and loss of communication between the seat memory control module and mirror control module.
2. What are the possible causes of OBDII code U1519?
Possible causes of code U1519 include damaged wiring or connectors in the LIN bus network, a faulty seat memory control module, a malfunctioning mirror control module, or a software communication error.
3. How can I diagnose OBDII code U1519?
Diagnosing code U1519 involves using a diagnostic scanner to retrieve the trouble codes, checking the LIN bus network for any wiring issues, testing the seat memory control module and mirror control module for functionality, and verifying software communication between the modules.
4. Can OBDII code U1519 be repaired at home?
Repairing code U1519 may require advanced diagnostic equipment and expertise. While basic checks like inspecting wiring connections can be done at home, resolving complex issues with the control modules may require professional assistance.
5. Is it safe to continue driving with OBDII code U1519 present?
It is generally safe to drive with code U1519, but it is recommended to address the issue promptly to prevent any further malfunctions with the seat memory control module and mirror control module.
6. How much does it typically cost to repair OBDII code U1519?
The cost of repairing code U1519 can vary depending on the specific cause of the issue. It may involve replacing damaged wiring, repairing or replacing control modules, or addressing software communication errors, which can range from moderate to high costs.
7. Can a software update fix OBDII code U1519?
In some cases, a software update provided by the manufacturer can resolve communication errors causing code U1519. It is recommended to consult with a professional to determine if a software update is a viable solution.
8. Will disconnecting the battery reset OBDII code U1519?
Disconnecting the battery may temporarily clear the trouble code, but if the underlying issue causing code U1519 is not addressed, the code is likely to reappear once the vehicle is driven and the modules attempt to communicate again.
9. How long does it take to repair OBDII code U1519?
The repair time for code U1519 can vary depending on the complexity of the issue and the availability of parts. Simple fixes like reconnecting wiring may take a short time, while replacing control modules or addressing software issues could require more time.
10. Can extreme weather conditions trigger OBDII code U1519?
Extreme weather conditions may not directly trigger code U1519, but they can exacerbate existing issues with the LIN bus network or electronic modules, leading to communication errors and the appearance of the trouble code.
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