U1517 Chevrolet Code - Body Control Module Lost Communication With Sunroof Sunshade Motor Module On LIN Bus
Quick Answer
The U1517 Chevrolet code indicates that the Body Control Module (BCM) has lost communication with the Sunroof Sunshade Motor Module on the Local Interconnect Network (LIN) bus. Common causes include Faulty Sunroof Sunshade Motor Module, Loose or corroded wiring connections, BCM software or hardware issues. 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
- U1517 Chevrolet indicates Body Control Module Lost Communication With Sunroof Sunshade Motor Module On LIN Bus.
- Common causes
- Common causes include Faulty Sunroof Sunshade Motor Module, Loose or corroded wiring connections, BCM software or hardware issues.
- 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.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code U1517 Chevrolet Description
The U1517 Chevrolet code indicates that the Body Control Module (BCM) has lost communication with the Sunroof Sunshade Motor Module on the Local Interconnect Network (LIN) bus. The LIN bus is a communication network in modern vehicles that allows various control modules to communicate with each other. In this case, the BCM is unable to communicate with the Sunroof Sunshade Motor Module, which can result in issues with the operation of the sunroof and sunshade.
Common Causes of U1517 Chevrolet
- Faulty Sunroof Sunshade Motor Module
- Loose or corroded wiring connections
- BCM software or hardware issues
- LIN bus communication errors
- Water ingress causing electrical shorts
Symptoms of U1517 Chevrolet
- Sunroof fails to open or close
- Sunshade does not retract or extend
- Erratic behavior of sunroof or sunshade
- Interior lighting issues
- Security system malfunctions
How to Fix U1517 Chevrolet
- Inspect wiring connections: Check for loose or corroded connections between the BCM and the Sunroof Sunshade Motor Module. Repair or replace any damaged wiring.
- Test Sunroof Sunshade Motor Module: Verify the functionality of the Sunroof Sunshade Motor Module to determine if it needs to be replaced.
- Check BCM communication: Diagnose the BCM to ensure it is sending and receiving signals properly. Update software or replace the BCM if necessary.
- Clear fault codes: Clear the U1517 code from the vehicle's memory after completing repairs to reset the system and ensure proper operation.
- Perform system test: Test the sunroof and sunshade operation to confirm that the issue has been resolved.
Cost to Fix U1517 Chevrolet
The cost of repairing a U1517 Chevrolet code can vary depending on the specific cause of the issue. On average, the repair costs for this issue can range from $200 to $500, including parts and labor. However, it's essential to note that diagnostic time and labor rates at auto repair shops can vary significantly. Rates typically range from $80 to $150 per hour, with higher rates in metropolitan areas or at dealerships and lower rates at independent shops. It's recommended to obtain quotes from local repair shops for a more accurate estimate of the repair costs.
Need more information about the U1517 Chevrolet code?
Need more information on how to fix the U1517 Chevrolet code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the U1517 Chevrolet code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about U1517 Chevrolet Code
1. What does the OBDII code U1517 mean on a Chevrolet?
The U1517 code indicates that the Body Control Module (BCM) has lost communication with the Sunroof Sunshade Motor Module on the LIN (Local Interconnect Network) bus.
2. What are common symptoms of the U1517 code on a Chevrolet?
Symptoms may include a non-functioning sunroof or sunshade, sunroof operating erratically, warning lights on the dashboard, or no response when using the sunroof controls.
3. What causes the U1517 code to appear on a Chevrolet?
Common causes include a faulty sunroof sunshade motor module, a damaged or loose LIN bus wiring connection, a malfunctioning Body Control Module (BCM), or software issues.
4. Can the U1517 code affect other vehicle systems?
While it primarily affects the sunroof or sunshade operation, it could potentially cause communication issues with other related systems if the LIN bus wiring is compromised.
5. How is the U1517 code diagnosed?
A mechanic will use a scan tool to confirm the code, inspect the LIN bus wiring and connections, test the sunroof motor module, and check for BCM software updates or malfunctions.
6. Can I drive my Chevrolet with the U1517 code?
Yes, the vehicle is generally safe to drive, but the sunroof or sunshade may not function properly, and ignoring the issue could lead to more significant electrical problems over time.
7. How do I fix the U1517 code on my Chevrolet?
Potential fixes include repairing or replacing damaged wiring, reconnecting loose electrical connections, replacing the faulty sunroof sunshade motor module, or reprogramming the BCM.
8. How much does it cost to repair the U1517 code?
Repair costs vary depending on the issue but typically range from $100-$500, depending on whether wiring repairs or module replacements are needed.
9. Can a weak battery cause the U1517 code?
Yes, a weak or failing battery can cause communication errors on the LIN bus, leading to the U1517 code. Ensure the vehicle’s battery is fully charged and in good condition.
10. Is a software update needed to fix the U1517 code on a Chevrolet?
In some cases, a software update for the Body Control Module (BCM) may resolve the issue if it’s caused by a programming glitch.
Discuss the causes and fixes for U1517 Chevrolet OBDII Code
Code U1517 Chevrolet comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.