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Engine-Codes – Generic – B2287

B2287 Code - LIN Communication Master Malfunction

Quick Answer

The B2287 diagnostic trouble code (DTC) refers to a LIN Communication Master Malfunction, which indicates a communication issue within the Local Interconnect Network (LIN) bus system of the vehicle. Common causes include Faulty body control module (BCM), Damaged or corroded LIN bus wiring, Poor connections or loose connectors 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
B2287 indicates LIN Communication Master Malfunction.
Common causes
Common causes include Faulty body control module (BCM), Damaged or corroded LIN bus wiring, Poor connections or loose connectors 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.
What is this?
Table of contents Created and updated by William Orellana on Sep 10, 2024
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Code B2287 Description

The B2287 diagnostic trouble code (DTC) refers to a LIN Communication Master Malfunction, which indicates a communication issue within the Local Interconnect Network (LIN) bus system of the vehicle. The LIN bus is a network that connects various electronic control units (ECUs) in the vehicle, allowing them to communicate and share data. When the master node, which is typically the body control module (BCM), experiences a malfunction, it can disrupt communication between different ECUs, leading to various issues.

OBDII Code B2287 - LIN Communication Master Malfunction
B2287 Code - LIN Communication Master Malfunction

Common Causes of B2287

  1. Faulty body control module (BCM)
  2. Damaged or corroded LIN bus wiring
  3. Poor connections or loose connectors in the LIN bus network
  4. Malfunctioning electronic control units (ECUs)
  5. Software glitches or programming issues

Symptoms of B2287

  1. Dashboard warning lights illuminated
  2. Loss of communication with various vehicle systems (e.g., ABS, airbags)
  3. Erratic behavior of electronic components (e.g., windows, lights)
  4. Inability to start the vehicle
  5. Unresponsive or malfunctioning infotainment system

How to Fix B2287

  1. Perform a comprehensive diagnostic scan to identify the specific cause of the LIN Communication Master Malfunction.
  2. Inspect the LIN bus wiring and connectors for any damage or corrosion, repairing or replacing as needed.
  3. Test individual ECUs on the LIN bus to determine if any are malfunctioning and need replacement.
  4. Check the body control module (BCM) for faults and replace if necessary.
  5. Clear the diagnostic trouble codes and perform a final test to ensure proper communication and functionality of all systems.

Cost to Fix B2287

The cost of repairing a LIN Communication Master Malfunction can vary depending on the specific cause of the issue and the extent of the repairs needed. On average, the parts and labor for addressing this problem can range from $200 to $800. However, it is important to note that diagnostic time and labor rates at auto repair shops can vary significantly. Rates typically range between $80 and $150 per hour, but may be higher in metropolitan areas or at dealerships, and lower at independent shops. It is recommended to contact local auto repair shops for a more accurate estimate based on the specific make and model of the vehicle.

What does this mean?

Tech Notes for B2287

Most of the times this code is set in combination with other codes. Fix other code first.

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Code B2287 Information for Specific Makes

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.

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