B07E9 - Understanding and Fixing the B07E9 Code in 2015-2020 Ford F-150 and Other Models

Quick Answer

B07E9 means: B07E9 indicates a problem with the body control module, potentially affecting various electrical functions.

Fix: Check and replace faulty components Cost: $300 - $600 Time: 90-180 minutes

Can I drive with B07E9? Immediate attention is recommended to avoid further electrical issues.

Common Questions

What does B07E9 mean and how does it affect my car?

The B07E9 code indicates a fault with the body control module, which is crucial for managing various electrical functions in your car. If this code appears, you might experience issues like malfunctioning lights, locks, and windows. Ignoring it can lead to more severe problems, affecting vehicle performance and safety.

What are the most common causes of B07E9 and how much does it cost to fix?

Common causes include a faulty BCM, damaged wiring, or software glitches. Repair costs can range from $100 for a simple software update to over $600 for a BCM replacement, depending on the extent of the issue.

Can I drive my car with B07E9 or should I stop immediately?

While it may be possible to drive with the B07E9 code, it is not advisable. The malfunctioning BCM can lead to erratic electrical behaviors, which might compromise safety. It's best to have the issue diagnosed and repaired as soon as possible.

How can I diagnose B07E9 myself using GeekOBD APP?

Using the GeekOBD APP, you can scan your vehicle for DTCs, read live data, and monitor the BCM's performance. Look for voltage irregularities and any other related codes that may help pinpoint the issue.

What vehicles are most commonly affected by B07E9?

The B07E9 code is frequently seen in 2015-2020 Ford F-150 models. Other manufacturers may also be affected, but this code is primarily associated with Ford vehicles during these years.

How can I prevent B07E9 from happening again?

Regular maintenance, including checking electrical connections and updating software, can help prevent the B07E9 code from reappearing. Additionally, keep an eye on your vehicle's battery health and ensure connections remain clean and secure.

What is B07E9?

The B07E9 diagnostic trouble code (DTC) is a manufacturer-specific code that generally indicates a problem with the body control module (BCM) or related systems in vehicles like the 2015-2020 Ford F-150. This code often signifies an issue with the power supply to the BCM or a fault in the communication between the BCM and other control modules. The BCM is responsible for various body functions, including lighting, door locks, and alarm systems. When the B07E9 code is triggered, it means that the BCM has detected an anomaly that could affect these systems, leading to potential malfunctions. For instance, you might notice that your vehicle’s interior lights don’t turn on when you open the door or that the power windows aren’t functioning correctly. Ignoring this code can lead to further electrical issues and may prevent your vehicle from starting. Therefore, it’s essential to address the B07E9 code promptly to avoid complications and ensure your vehicle operates smoothly.

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

Symptoms

Common symptoms when B07E9 is present:

  • Check engine light stays on constantly, indicating an underlying issue with the body control module.
  • Interior lights fail to illuminate when doors are opened, suggesting a malfunction in the BCM.
  • Power windows do not operate correctly, which can be frustrating and affect safety.
  • Door locks may not respond, causing security concerns and inconvenience.
  • Increased electrical drain on the battery, leading to potential starting issues.

Possible Causes

Most common causes of B07E9 (ordered by frequency):

  1. Faulty body control module (BCM) - 40% likelihood. A malfunctioning BCM can lead to various electrical issues.
  2. Damaged wiring or loose connections - 30%. Corrosion or wear on wiring can disrupt communication between modules.
  3. Software glitches - 20%. Sometimes, an update to the vehicle's software can resolve communication issues.
  4. Faulty sensors - 5%. Sensors that communicate with the BCM may fail and need replacement.
  5. Rarely, battery issues may cause voltage fluctuations, leading to the B07E9 code.

B07E9 Repair Costs

Cost Breakdown by Repair Type

BCM Replacement

Replacing the body control module can resolve the B07E9 code and restore normal operation.

  • Total: $300 - $600
  • Success rate: 90%
Wiring Repair

Repairing or replacing damaged wiring or connectors can also fix the issue.

  • Total: $150 - $300
  • Success rate: 85%
Software Update

Updating the vehicle's software may be required if the BCM is functioning correctly.

  • Total: $100 - $200
  • Success rate: 75%
Money-Saving Tips for B07E9
  • 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 B07E9 Diagnosis Process

Follow these systematic steps to accurately diagnose B07E9. 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).

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).

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 to test the BCM's voltage and continuity (20-30 minutes)

Step 3: Component testing - Use a multimeter to test the BCM's 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 proper operation after repairs and clear codes using the GeekOBD APP (10-15 minutes)

Step 4: System function test - Verify proper operation after repairs and clear codes using the GeekOBD APP (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 repair success (15-20 minutes)

Step 5: Road test verification - Drive the vehicle under various conditions to confirm repair success (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 in a 2017 Ford F-150

Vehicle: 2017 Ford F-150, 45,000 miles

Problem: Customer reported that the power windows and locks were not functioning.

Diagnosis: Initial scan revealed the B07E9 code. Visual inspection showed no damaged wiring, leading to BCM testing.

Solution: Replaced the body control module and reprogrammed it to the vehicle's settings.

Cost: $550 (parts: $400 for BCM, $150 for labor)

Result: All electrical functions returned to normal, and the customer reported satisfaction with the repair.

Case Study 2: Wiring Repair for B07E9 in a 2019 Ford Explorer

Vehicle: 2019 Ford Explorer, 30,000 miles

Problem: Customer experienced intermittent interior lighting issues.

Diagnosis: B07E9 code was detected. Further investigation revealed corroded wiring near the BCM.

Solution: Repaired the damaged wiring and cleaned the connectors.

Cost: $200 (parts: $50 for wiring, $150 for labor)

Result: The interior lights functioned properly, and no further issues were reported.

Diagnose B07E9

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: B07E9
System: Body (Airbags, Lighting, Security, Climate Control)
Severity: HIGH
Category: Body Codes