B0667 - Understanding the Automotive Diagnostic Trouble Code for 2015-2018 Honda Accord and Similar Models

Quick Answer

B0667 means: B0667 indicates a malfunction in the driver side window switch circuit.

Fix: Check and replace faulty components Cost: $100 - $250 Time: 90-180 minutes

Can I drive with B0667? Address the issue soon to avoid further complications.

Common Questions

What does B0667 mean and how does it affect my car?

The B0667 code indicates an issue with the driver side window switch circuit, affecting the operation of the window. If not addressed, it can lead to more significant electrical issues.

What are the most common causes of B0667 and how much does it cost to fix?

Common causes include a faulty window switch, damaged wiring, and issues with the Body Control Module. Repair costs can range from $80 to $600 depending on the issue.

Can I drive my car with B0667 or should I stop immediately?

While it's generally safe to drive, it's advisable to address the B0667 code soon to avoid potential safety risks, especially if your window is stuck open or closed.

How can I diagnose B0667 myself using GeekOBD APP?

Utilize the GeekOBD APP to scan for codes and view freeze frame data, which will help you understand the context of the problem and guide your troubleshooting steps.

What vehicles are most commonly affected by B0667?

Commonly affected vehicles include the 2015-2018 Honda Accord, Acura TLX, and certain Ford models. Always check for any recalls or Technical Service Bulletins (TSBs) related to this code.

How can I prevent B0667 from happening again?

Regularly inspect wiring and connectors, keep the window area clean and free from debris, and consider a software update for the BCM if available.

What is B0667?

The diagnostic trouble code (DTC) B0667 indicates a problem with the driver side window switch circuit. This code typically arises in vehicles like the 2015-2018 Honda Accord, but it can also appear in other models such as the Acura TLX and some Ford vehicles. When the B0667 code is triggered, it means that the Body Control Module (BCM) has detected an abnormal condition in the driver’s window switch circuit. This can result in malfunctions such as the window not responding to controls or intermittent operation. The implications of this code can range from minor inconveniences, such as a stuck window, to more serious issues, including potential safety hazards if the window fails to close properly. Ignoring this code may lead to further electrical problems or increased repair costs down the line. It’s crucial for car owners to understand that while this issue may seem minor, it could affect the overall performance of the vehicle's electrical system. Addressing the B0667 code promptly can save time and money in the long run.

System: B - Body (Airbags, Lighting, Security, Climate Control)

Symptoms

Common symptoms when B0667 is present:

  • The check engine light or warning indicator related to the body control system stays on constantly.
  • Driver side window does not operate using the switch, indicating potential wiring issues.
  • Window operates intermittently, leading to frustration and potential security risks.
  • Increased electrical drain on the battery due to malfunctioning components.
  • Unusual noises when operating the window, suggesting mechanical or electrical problems.

Possible Causes

Most common causes of B0667 (ordered by frequency):

  1. The most common cause is a faulty window switch, which occurs in about 60% of cases. This can lead to inconsistent window operation or complete failure.
  2. The second most common cause involves damaged wiring or connectors in the window switch circuit, which can be caused by wear and tear or environmental factors.
  3. A third cause could be a malfunctioning Body Control Module (BCM), which requires proper diagnostic tools to assess, preventing further electrical issues.
  4. Less common but serious is water intrusion into wiring harnesses, which can lead to corrosion and more extensive damage.
  5. A rare cause might be a software issue within the BCM that requires a software update from the dealership.

B0667 Repair Costs

Cost Breakdown by Repair Type

Window Switch Replacement

Replacing the faulty window switch with a new OEM part.

  • Total: $100 - $250
  • Success rate: 90%
Wiring Repair

Repairing damaged wiring or connectors in the switch circuit.

  • Total: $80 - $200
  • Success rate: 75%
BCM Replacement

Replacing the Body Control Module if found defective.

  • Total: $300 - $600
  • Success rate: 85%
Money-Saving Tips for B0667
  • Start with the most common and least expensive repairs first
  • Use GeekOBD APP to confirm diagnosis before replacing expensive parts
  • Consider preventive maintenance to avoid future occurrences
  • Compare prices for OEM vs aftermarket parts based on your needs
  • Address the issue promptly to prevent more expensive secondary damage

Diagnostic Steps

Professional B0667 Diagnosis Process

Follow these systematic steps to accurately diagnose B0667. Each step builds on the previous one to ensure accurate diagnosis.

Step 1: Step 1: Perform an initial visual inspection to check for damaged wiring, loose connections, or corrosion around the window switch area (5-10 minutes)

Step 1: Perform an initial visual inspection to check for damaged wiring, loose connections, or corrosion around the window switch area (5-10 minutes).

GeekOBD APP Tip: Use GeekOBD APP to monitor real-time data during this diagnostic step for accurate results and professional-grade analysis.
Step 2: Step 2: Use an OBD2 scanner, like the GeekOBD APP, to retrieve all codes and freeze frame data

Step 2: Use an OBD2 scanner, like the GeekOBD APP, to retrieve all codes and freeze frame data. This will help understand the fault context (10-15 minutes).

GeekOBD APP Tip: Use GeekOBD APP to monitor real-time data during this diagnostic step for accurate results and professional-grade analysis.
Step 3: Step 3: Conduct component testing using a multimeter to check the window switch functionality and circuit integrity (20-30 minutes)

Step 3: Conduct component testing using a multimeter to check the window switch functionality and circuit integrity (20-30 minutes).

GeekOBD APP Tip: Use GeekOBD APP to monitor real-time data during this diagnostic step for accurate results and professional-grade analysis.
Step 4: Step 4: Conduct a system function test to verify proper operation after repairs and clear codes (10-15 minutes)

Step 4: Conduct a system function test to verify proper operation after repairs and clear codes (10-15 minutes).

GeekOBD APP Tip: Use GeekOBD APP to monitor real-time data during this diagnostic step for accurate results and professional-grade analysis.
Step 5: Step 5: Perform a road test to ensure the window operates correctly under various conditions (15-20 minutes)

Step 5: Perform a road test to ensure the window operates correctly under various conditions (15-20 minutes).

GeekOBD APP Tip: Use GeekOBD APP to monitor real-time data during this diagnostic step for accurate results and professional-grade analysis.

Important Notes

  • Always verify the repair with GeekOBD APP after completing diagnostic steps
  • Clear codes and test drive to ensure the problem is resolved
  • Address underlying causes to prevent code recurrence

Real Repair Case Studies

Case Study 1: Window Switch Replacement on a 2016 Honda Accord

Vehicle: 2016 Honda Accord, 45,000 miles

Problem: Driver side window would not respond to controls.

Diagnosis: Visual inspection showed no wiring damage, but the switch was unresponsive.

Solution: Replaced the faulty window switch with an OEM part.

Cost: $150 (parts: $80, labor: $70)

Result: The window operated perfectly after the repair.

Case Study 2: Wiring Repair on a 2017 Acura TLX

Vehicle: 2017 Acura TLX, 30,000 miles

Problem: Intermittent operation of the driver side window.

Diagnosis: Found damaged wiring due to wear; tested with a multimeter.

Solution: Repaired wiring and secured with electrical tape.

Cost: $120 (parts: $20, labor: $100)

Result: The window now operates consistently without issues.

Diagnose B0667

Use GeekOBD APP for professional diagnosis!

  • Real-time data monitoring
  • Advanced diagnostic features
  • Step-by-step repair guidance
  • Professional-grade analysis
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Code Information

Code: B0667
System: Body (Airbags, Lighting, Security, Climate Control)
Severity: MEDIUM
Category: Body Codes