U0187 Code - Lost Communication With Digital Disc Player/Changer Module 'A'
Quick Answer
The U0187 code indicates that the vehicle's onboard computer has lost communication with the Digital Disc Player/Changer Module 'A'. Common causes include Loose or corroded wiring connections, Faulty Digital Disc Player/Changer Module 'A', Water damage to the module or wiring. 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
- U0187 indicates Lost Communication With Digital Disc Player/Changer Module 'A'.
- Common causes
- Common causes include Loose or corroded wiring connections, Faulty Digital Disc Player/Changer Module 'A', Water damage to the module or wiring.
- 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 U0187 Description
The U0187 code indicates that the vehicle's onboard computer has lost communication with the Digital Disc Player/Changer Module 'A'. This module is responsible for controlling the CD or DVD player in the vehicle, allowing the driver to play discs and navigate through the media options. When communication is lost with this module, it can affect the functionality of the entertainment system in the vehicle.
Common Causes of U0187
- Loose or corroded wiring connections
- Faulty Digital Disc Player/Changer Module 'A'
- Water damage to the module or wiring
- Software issues with the module
- Electrical interference from other components in the vehicle
Symptoms of U0187
- CD or DVD player not responding to commands
- Inability to load or eject discs
- Skipping tracks or freezing during playback
- Steering wheel audio controls not working
- Display screen showing errors related to the entertainment system
How to Fix U0187
- Check wiring connections: Inspect the wiring harness between the onboard computer and the Digital Disc Player/Changer Module 'A' for any loose or corroded connections. Repair or replace as necessary.
- Test the module: Use a diagnostic tool to test the functionality of the Digital Disc Player/Changer Module 'A' and determine if it is faulty. Replace the module if needed.
- Check for water damage: Inspect the module and surrounding wiring for any signs of water damage, which could be causing the communication issue. Dry out or replace any affected components.
- Update software: If the issue is related to software, update the firmware on the Digital Disc Player/Changer Module 'A' to the latest version to resolve any compatibility issues.
- Address electrical interference: Check for any other components in the vehicle that may be causing electrical interference with the communication between the onboard computer and the module. Shield or relocate components if necessary.
Cost to Fix U0187
The typical repair costs for addressing the U0187 code can vary depending on the specific cause of the issue. In general, replacing a faulty Digital Disc Player/Changer Module 'A' can range from $200 to $500, including parts and labor. If the issue is related to wiring repairs or software updates, the cost may be lower. It's important to note that diagnosis time and labor rates at auto repair shops can vary, with hourly rates typically ranging from $80 to $150. Rates may be higher at dealerships or in metropolitan areas, while independent shops may charge less. It's recommended to check with local shops for a more accurate cost estimate.
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Frequently Asked Questions about U0187 Code
1. What does OBDII code U0187 mean?
U0187 indicates a loss of communication between the vehicle's main control module and the Digital Disc Player/Changer Module 'A'.
2. What are common symptoms of code U0187?
Symptoms may include the audio system not functioning, inability to change or play discs, or intermittent audio operation.
3. What causes code U0187?
Common causes include a faulty Digital Disc Player/Changer Module, damaged wiring or connectors, or issues with the CAN (Controller Area Network) communication bus.
4. Can I still drive with code U0187?
Yes, U0187 typically doesn’t affect vehicle drivability, but it may cause inconvenience with the audio or entertainment system.
5. How do I diagnose code U0187?
Start by inspecting the wiring and connectors for the disc player. Use a scan tool to check for additional communication-related trouble codes.
6. How do I fix code U0187?
Repairs may include replacing the Digital Disc Player/Changer Module, repairing damaged wiring, or addressing CAN bus communication issues.
7. Does U0187 always mean the disc player is broken?
No, the issue could also stem from a wiring problem, connector corrosion, or a fault in the communication network.
8. What tools are needed to troubleshoot U0187?
You’ll need a diagnostic scan tool, a multimeter, and possibly a wiring diagram for your vehicle.
9. Can a software update resolve code U0187?
In some cases, a software update for the vehicle’s control module may restore proper communication with the disc player.
10. How much does it cost to fix U0187?
Costs vary depending on the root cause but could range from $50 for minor wiring repairs to $500 or more for module replacement.
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