B06CB - Understanding the Body Control Module Malfunction in 2015-2018 Honda Accord

Quick Answer

B06CB means: B06CB indicates a malfunction in the Body Control Module, which manages various electrical functions in your vehicle.

Fix: Check and replace faulty components Cost: $300 - $700 Time: 90-180 minutes

Can I drive with B06CB? Immediate attention is recommended to avoid further electrical system failures.

Common Questions

What does B06CB mean and how does it affect my car?

The B06CB code indicates an issue with the Body Control Module, which manages many electrical components in your vehicle. If this module is malfunctioning, you might experience problems like inoperative lights or power windows, leading to a loss of vehicle functionality. Immediate attention is crucial to prevent further issues.

What are the most common causes of B06CB and how much does it cost to fix?

Common causes include a faulty Body Control Module itself or damaged wiring connections, with repair costs ranging from $100 for wiring repairs to $700 for BCM replacements, depending on the issue. Always consider diagnostic fees as well.

Can I drive my car with B06CB or should I stop immediately?

While you may be able to drive your vehicle, it's not advisable to ignore the B06CB code. Continuing to drive could lead to more severe electrical failures, which could jeopardize safety or leave you stranded.

How can I diagnose B06CB myself using GeekOBD APP?

You can use the GeekOBD APP to scan for diagnostic codes and view real-time data from your vehicle's systems. Look for any abnormal readings or additional trouble codes that may help pinpoint the issue more accurately.

What vehicles are most commonly affected by B06CB?

The B06CB code is particularly common in the 2015-2018 Honda Accord models, where BCM issues have been frequently reported. Always check for any recalls or specific Technical Service Bulletins (TSBs) related to your vehicle.

How can I prevent B06CB from happening again?

Regular maintenance of your vehicle's electrical systems, including checking for corrosion and ensuring all connections are secure, can help prevent BCM issues. Additionally, keeping software updated can mitigate programming-related errors.

What is B06CB?

The diagnostic trouble code (DTC) B06CB indicates a malfunction within the Body Control Module (BCM) of your vehicle, which can lead to a variety of electrical issues. Specifically, this code is often seen in 2015-2018 Honda Accord models, where the BCM is responsible for controlling various electrical functions such as lighting, door locks, and other electronic components. When the BCM detects an internal error, it triggers the B06CB code, which can lead to symptoms like malfunctioning lights, failure to lock or unlock doors, and even issues with the vehicle’s starting system. If left unresolved, a malfunctioning BCM can lead to more severe electrical problems, potentially leaving you stranded or causing further damage to other vehicle systems. Understanding the implications of this code is crucial for maintaining your vehicle’s reliability and safety. Regular diagnostics with tools like the GeekOBD APP can help catch these issues early, allowing you to avoid costly repairs down the line. If you see the B06CB code, it's advisable to address it promptly to ensure all electronic components function correctly and safely.

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

Symptoms

Common symptoms when B06CB is present:

  • Check engine light illuminates and remains on constantly, indicating a potential BCM issue.
  • Power windows may malfunction intermittently, leading to difficulty in operation.
  • Interior lights may flicker or fail to operate, which could indicate BCM failure.
  • Remote keyless entry may not function properly, causing issues with locking/unlocking doors.
  • Dashboard warning lights may illuminate, signaling potential electronic failures.

Possible Causes

Most common causes of B06CB (ordered by frequency):

  1. The most common cause of B06CB is a faulty Body Control Module itself, with a likelihood of 60%. This can happen due to wear and tear over time or exposure to moisture.
  2. Corroded wiring or poor connections to the BCM is another frequent cause, accounting for about 25%. This often results from exposure to the elements or age-related degradation.
  3. Software glitches or programming issues in the BCM can also trigger this code, constituting around 10% of cases. Regular updates can help prevent this.
  4. Less common but serious causes include short circuits within the BCM wiring harness, which can lead to complete BCM failure.
  5. Rarely, issues with the vehicle’s main computer can falsely trigger the B06CB code, requiring a comprehensive diagnostic review.

B06CB Repair Costs

Cost Breakdown by Repair Type

BCM Replacement

Replacing the Body Control Module with a new or refurbished unit.

  • Total: $300 - $700
  • Success rate: 90%
Wiring Repair

Repairing corroded or damaged wiring connections to the BCM.

  • Total: $100 - $300
  • Success rate: 80%
Money-Saving Tips for B06CB
  • 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 B06CB Diagnosis Process

Follow these systematic steps to accurately diagnose B06CB. Each step builds on the previous one to ensure accurate diagnosis.

Step 1: Step 1: Initial visual inspection - Check for obvious signs like damaged wiring, loose connections, or corrosion (5-10 minutes)

Step 1: Initial visual inspection - Check for obvious signs like damaged wiring, loose connections, or corrosion (5-10 minutes). Look specifically around the BCM connectors.

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: OBD2 scan with GeekOBD APP - Retrieve all codes and freeze frame data to understand the fault context (10-15 minutes)

Step 2: OBD2 scan with GeekOBD APP - Retrieve all codes and freeze frame data to understand the fault context (10-15 minutes). Look for any additional codes that may accompany B06CB.

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: Component testing - Use a multimeter or specific diagnostic tools to test the BCM and associated circuits for proper voltage and continuity (20-30 minutes)

Step 3: Component testing - Use a multimeter or specific diagnostic tools to test the BCM and associated circuits for proper voltage and continuity (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: System function test - Verify the operation of electronic components controlled by the BCM after repairs and clear codes (10-15 minutes)

Step 4: System function test - Verify the operation of electronic components controlled by the BCM after repairs and clear codes (10-15 minutes). Ensure all functions are restored.

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: Road test verification - Drive the vehicle under various conditions to confirm repair success and check for any reappearances of the B06CB code (15-20 minutes)

Step 5: Road test verification - Drive the vehicle under various conditions to confirm repair success and check for any reappearances of the B06CB code (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: BCM Replacement Success in 2017 Honda Accord

Vehicle: 2017 Honda Accord, 75,000 miles

Problem: Customer reported intermittent power window failures and dashboard warning lights.

Diagnosis: Initial OBD scan revealed B06CB along with several other codes related to the BCM. Visual inspection showed corroded connections at the BCM.

Solution: Replaced the Body Control Module and cleaned all wiring connections. Updated BCM software.

Cost: $650 (includes parts and labor)

Result: All electronic functions restored; no further issues reported after follow-up.

Case Study 2: Wiring Repair for 2016 Honda Accord

Vehicle: 2016 Honda Accord, 50,000 miles

Problem: Customer experienced failure of the remote keyless entry system and dashboard lights.

Diagnosis: OBD scan confirmed B06CB; further inspection revealed damaged wiring near the BCM.

Solution: Repaired the damaged wiring and secured connections. No module replacement was necessary.

Cost: $150 (for parts and labor)

Result: Remote entry and dashboard lights functioned normally after the repair.

Diagnose B06CB

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: B06CB
System: Body (Airbags, Lighting, Security, Climate Control)
Severity: HIGH
Category: Body Codes