B09B6 - ABS Control Module Malfunction in 2016-2020 Ford Explorer and 2017-2021 Chevrolet Traverse

Quick Answer

B09B6 means: B09B6 indicates a malfunction in the ABS control module.

Fix: Check and replace faulty components Cost: $500 - $1,200 Time: 90-180 minutes

Can I drive with B09B6? Immediate attention is advised to ensure safe vehicle operation.

Common Questions

What does B09B6 mean and how does it affect my car?

The B09B6 code indicates a malfunction in the ABS control module, which is crucial for maintaining brake performance. This can lead to reduced braking efficiency, especially in emergencies, making it essential to address the issue promptly to ensure your safety.

What are the most common causes of B09B6 and how much does it cost to fix?

The most common cause of B09B6 is a faulty ABS control module, which can cost between $500 to $1,200 to replace. Other issues like damaged wiring may cost around $150 to $400 to repair. Diagnosing the exact cause is vital for accurate repair.

Can I drive my car with B09B6 or should I stop immediately?

It is not advisable to drive your car with a B09B6 code, as it indicates a potential failure in the braking system. Continuing to drive can compromise your safety and that of others on the road, so it’s best to have the vehicle inspected as soon as possible.

How can I diagnose B09B6 myself using GeekOBD APP?

To diagnose B09B6 yourself, connect the GeekOBD APP to your vehicle’s OBD2 port. Retrieve the trouble codes, and review the freeze frame data to understand the conditions under which the code was triggered. This will help you narrow down potential issues.

What vehicles are most commonly affected by B09B6?

Vehicles like the 2016-2020 Ford Explorer and the 2017-2021 Chevrolet Traverse commonly experience the B09B6 code. It's advisable to check for any recalls or Technical Service Bulletins (TSBs) related to the ABS system for these models.

How can I prevent B09B6 from happening again?

Preventive measures include regular maintenance of the ABS system, including checking wiring and connections for wear, ensuring wheel speed sensors are clean, and keeping your vehicle's software updated.

What is B09B6?

The DTC B09B6 refers to a malfunction in the Anti-lock Braking System (ABS) control module. This error code signifies that the ABS control module has detected an issue that compromises the functionality of your vehicle's braking system. When the ABS is not functioning correctly, it can lead to reduced braking efficiency, especially under hard braking conditions or on slippery surfaces. The symptoms may include the ABS warning light illuminating on your dashboard and, in some cases, a decrease in overall vehicle handling and stability. The ABS system plays a crucial role in maintaining traction and preventing wheel lock-up during emergency stops, which is vital for vehicle safety. If the B09B6 code appears, it’s essential to address it promptly, as ignoring it could lead to further complications, including complete ABS failure or more extensive damage to the braking system. This code is commonly found in vehicles like the 2016-2020 Ford Explorer and the 2017-2021 Chevrolet Traverse, where electronic issues in the braking system can also trigger this code. Regular maintenance and timely diagnostics can help mitigate such issues, ensuring your vehicle remains safe and reliable.

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

Symptoms

Common symptoms when B09B6 is present:

  • The ABS warning light remains illuminated on the dashboard, indicating a malfunction in the ABS system.
  • Unusual brake behavior, such as the brakes feeling spongy or less responsive when applied, affecting driver confidence.
  • Increased stopping distances during hard braking, which may be noticeable during emergency stops or slippery conditions.
  • Strange noises coming from the ABS module area, which may indicate electrical issues or component fatigue.
  • Fluctuations in brake pedal feel, where the pedal may pulsate or vibrate, signaling potential hydraulic issues within the ABS system.

Possible Causes

Most common causes of B09B6 (ordered by frequency):

  1. The most common cause of B09B6 is a faulty ABS control module, which can occur in about 60% of cases. This can stem from electrical shorts, corrosion, or internal component failures.
  2. A second common cause is damaged wiring or poor connections within the ABS system, accounting for roughly 25% of cases. Regular inspections can help prevent wear and tear.
  3. The third cause involves issues with the vehicle’s wheel speed sensors, which can lead to inaccurate readings and trigger the B09B6 code. Keeping these sensors clean and well-maintained can help avoid problems.
  4. Less common but serious causes include a failed hydraulic pump within the ABS system, which can lead to complete brake failure if not addressed immediately.
  5. Rarely, software glitches or updates in the ABS control module can lead to B09B6. Ensuring your vehicle's software is up-to-date can mitigate such issues.

B09B6 Repair Costs

Cost Breakdown by Repair Type

ABS Control Module Replacement

Replacing the faulty ABS control module with a new or refurbished unit.

  • Total: $500 - $1,200
  • Success rate: 85%
Wiring Repair

Repairing or replacing damaged wiring and connectors leading to the ABS module.

  • Total: $150 - $400
  • Success rate: 75%
Money-Saving Tips for B09B6
  • 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 B09B6 Diagnosis Process

Follow these systematic steps to accurately diagnose B09B6. Each step builds on the previous one to ensure accurate diagnosis.

Step 1: Step 1: Initial visual inspection - Check for visible signs of damage in the ABS module wiring, connectors, and sensors

Step 1: Initial visual inspection - Check for visible signs of damage in the ABS module wiring, connectors, and sensors. Look for corrosion or loose connections (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: OBD2 scan with GeekOBD APP - Use the GeekOBD APP to retrieve all stored codes and freeze frame data to understand the context of the fault (10-15 minutes)

Step 2: OBD2 scan with GeekOBD APP - Use the GeekOBD APP to retrieve all stored codes and freeze frame data to understand the context of the fault (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: Component testing - Test the ABS control module and wheel speed sensors using a multimeter or specific diagnostic tools to check for functionality (20-30 minutes)

Step 3: Component testing - Test the ABS control module and wheel speed sensors using a multimeter or specific diagnostic tools to check for functionality (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 - After repairs, verify proper operation of the ABS system by conducting a function test and clearing any codes (10-15 minutes)

Step 4: System function test - After repairs, verify proper operation of the ABS system by conducting a function test and clearing any 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: Road test verification - Drive the vehicle under various conditions to confirm the ABS system operates correctly and ensure that the B09B6 code does not reappear (15-20 minutes)

Step 5: Road test verification - Drive the vehicle under various conditions to confirm the ABS system operates correctly and ensure that the B09B6 code does not reappear (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: 2017 Ford Explorer ABS Control Module Replacement

Vehicle: 2017 Ford Explorer, 45,000 miles

Problem: Customer reported ABS warning light on and reduced braking performance during emergency stops.

Diagnosis: Using the GeekOBD APP, we retrieved the B09B6 code, indicating ABS control module malfunction. A visual inspection revealed corrosion on the module connectors.

Solution: Replaced the ABS control module and cleaned the connectors. Performed a system function test after repairs.

Cost: $850 (parts: $650 for the module, $200 for labor)

Result: The ABS system functioned correctly post-repair, and the warning light was cleared.

Case Study 2: 2018 Chevrolet Traverse Wiring Repair

Vehicle: 2018 Chevrolet Traverse, 30,000 miles

Problem: Customer noticed the ABS light illuminated, with occasional brake pedal pulsation.

Diagnosis: The B09B6 code was retrieved, and inspection showed damaged wiring near the ABS module.

Solution: Repaired the damaged wiring and ensured all connections were secure. Cleared the code and tested the system.

Cost: $250 (parts: $50 for wiring, $200 for labor)

Result: The ABS light no longer illuminated, and the braking system operated smoothly.

Diagnose B09B6

Use GeekOBD APP for professional diagnosis!

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  • Step-by-step repair guidance
  • Professional-grade analysis
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Code Information

Code: B09B6
System: Body (Airbags, Lighting, Security, Climate Control)
Severity: HIGH
Category: Body Codes