U1519 GMC 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 GMC code 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, Wiring issue or short circuit in the LIN Bus 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
- U1519 GMC 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, Wiring issue or short circuit in the LIN Bus 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.
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Code U1519 GMC Description
The U1519 GMC code 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 in modern vehicles that allows various modules and components to communicate with each other. In this case, the Seat Memory Control Module is not receiving the necessary data or signals from the Mirror Control Module, Drive Mirror Control Module, or Left Mirror Control Module.
Common Causes of U1519 GMC
- Faulty Seat Memory Control Module
- Faulty Mirror Control Module
- Wiring issue or short circuit in the LIN Bus network
- Power supply issue to the modules
- Software glitch or programming error in one of the modules
Symptoms of U1519 GMC
- Inability to adjust seat position using the seat memory function
- Power mirrors not responding to adjustment commands
- Error message on the instrument cluster related to mirror or seat control
- Malfunction indicator light (MIL) illuminated on the dashboard
How to Fix U1519 GMC
- Perform a comprehensive diagnostic scan to retrieve the specific fault codes and identify the affected modules
- Inspect the wiring harness and connections related to the Seat Memory Control Module, Mirror Control Module, and Drive Mirror Control Module
- Test the power supply to ensure proper voltage is reaching the modules
- Replace any faulty modules or repair any damaged wiring
- Clear the fault codes and perform a system reset to ensure proper communication between the modules
Cost to Fix U1519 GMC
The typical repair costs for addressing the U1519 GMC code can vary depending on the specific cause of the issue and the extent of the repairs needed. In general, replacing a faulty module or repairing wiring issues can range from $200 to $500, including parts and labor. However, additional diagnostic time and labor costs may apply, and rates can vary based on the location, vehicle make and model, and the shop's hourly rates. It's advisable to consult with a professional mechanic or service center to get an accurate estimate for this particular repair.
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Frequently Asked Questions about U1519 GMC Code
What does the OBDII code U1519 indicate in a GMC vehicle?
The OBDII code U1519 indicates that the seat memory control module has lost communication with the mirror control module on the LIN bus, which can affect the functionality of the seat and mirror adjustments.
What are the common symptoms of the U1519 code?
Common symptoms include the inability to adjust the mirrors, seat memory settings not functioning correctly, and warning lights related to the seat and mirror systems on the dashboard.
What could cause the U1519 code to trigger?
Causes may include a faulty seat memory control module, a malfunctioning mirror control module, damaged wiring or connectors in the LIN bus, or issues with the vehicle's body control module.
Can I drive my vehicle safely with the U1519 code?
Yes, you can drive your vehicle, but you may experience issues with the mirror and seat adjustments, which could affect comfort and visibility. It’s advisable to address the code to restore full functionality.
How can I diagnose the problem associated with the U1519 code?
Start by using an OBDII scanner to confirm the code and check for any related codes. Inspect the wiring and connectors for damage, and test the continuity of the LIN bus. Additionally, consider checking the function of the seat memory and mirror control modules.
What are some common repair tips for resolving the U1519 code?
Common repairs include inspecting and repairing any damaged wiring or connectors, replacing the faulty seat memory or mirror control module, and reprogramming or resetting the modules as needed.
Can the U1519 code be cleared without fixing the issue?
Yes, the code can be cleared with an OBDII scanner, but it will likely reappear if the underlying issue is not resolved. It is recommended to address the root cause to prevent recurrence.
Should I take my vehicle to a dealership for U1519 code repairs?
While dealerships have specialized knowledge and tools for diagnosing and repairing these issues, a qualified independent mechanic with experience in automotive electronics can also effectively troubleshoot and resolve the problem.
Are there any preventive measures to avoid the U1519 code?
To prevent the U1519 code, ensure regular maintenance of electrical systems, check for corrosion or damage in connectors, and avoid overloading the electrical system by adding aftermarket components improperly.
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