Quick Answer

B2016 means: B2016 indicates a fault in the body control module (BCM).

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

Can I drive with B2016? Address immediately to avoid further electrical issues.

Common Questions

What does B2016 mean and how does it affect my car?

DTC B2016 signifies a malfunction in the body control module (BCM), which is crucial for controlling various electronic systems in your vehicle. If this code appears, you may notice issues with your power windows, locks, and lights. Immediate attention is essential to avoid further complications that could impact vehicle safety and reliability.

What are the most common causes of B2016 and how much does it cost to fix?

The main causes of B2016 include a faulty BCM, damaged wiring, and corrosion in connectors. Repair costs can vary widely, with BCM replacement generally ranging from $300 to $600, while wiring repairs may cost between $100 and $300, depending on the extent of the damage and parts needed.

Can I drive my car with B2016 or should I stop immediately?

It's not advisable to drive your car with a B2016 code, as it can lead to failures in critical electronic systems. Ignoring the code can make the vehicle unsafe to drive, especially if windows or doors fail to operate correctly. Address the issue as soon as possible to ensure your safety.

How can I diagnose B2016 myself using GeekOBD APP?

To diagnose B2016 using the GeekOBD APP, connect the device to your vehicle's OBD-II port. Use the app to retrieve diagnostic codes and view freeze frame data, which will help provide context about when the fault occurred. Pay attention to any additional codes that may indicate related issues.

What vehicles are most commonly affected by B2016?

B2016 is frequently seen in models like the 2006-2012 Ford Fusion and other Ford vehicles of similar production years. These models are known for experiencing BCM-related issues, particularly in areas with high moisture exposure or electrical wear.

How can I prevent B2016 from happening again?

To prevent future occurrences of B2016, keep up with regular maintenance checks on your vehicle's electrical systems. Ensure that connections are clean and free from corrosion, and consider using protective coatings on exposed wiring in humid areas. Regularly using diagnostic tools like the GeekOBD APP can also help catch potential issues early.

What is B2016?

DTC B2016 is a diagnostic trouble code that indicates a fault within the body control module (BCM) of your vehicle. The BCM is critical for managing various electronic functions, including lighting, windows, and locks. When this code is triggered, it usually signifies an issue with the module itself or the wiring that connects to it. This could result in malfunctions such as intermittent lighting issues, windows refusing to operate, or even failure of the vehicle’s central locking system. In Ford vehicles, especially models like the 2006-2012 Ford Fusion, this code is often linked to faults in the BCM’s communication with other electronic systems. If left unaddressed, problems can escalate, leading to a complete failure of the BCM and potentially leaving you stranded. It's crucial for vehicle owners to act promptly upon receiving this code, as neglecting it could lead to increased repair costs and further complications with your vehicle's electronic systems.

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

Symptoms

Common symptoms when B2016 is present:

  • Check engine light remains illuminated, indicating a persistent issue that needs attention.
  • Power windows may fail to operate, leaving you unable to adjust ventilation or access fresh air.
  • Central locking system malfunctions, causing doors to lock or unlock erratically, compromising safety.
  • Dashboard warning lights may flicker or remain on, signaling electrical problems beyond the BCM.
  • Interior lights may behave unpredictably, either failing to turn on or staying illuminated when they shouldn't.

Possible Causes

Most common causes of B2016 (ordered by frequency):

  1. Faulty body control module (BCM) – Most common cause at 60%, usually due to age or internal failure.
  2. Damaged wiring or connectors leading to the BCM – This can occur from wear and tear or rodent damage, accounting for 20% of cases.
  3. Corrosion in the BCM connectors – Common in older vehicles or those exposed to moisture, responsible for 10% of issues.
  4. Poor ground connections – Often overlooked, but can lead to erratic BCM behavior, making up 5% of diagnoses.
  5. Intermittent software issues – Rare, but possible due to updates or glitches, accounting for about 5% of cases.

B2016 Repair Costs

Cost Breakdown by Repair Type

BCM Replacement

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

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

Repairing damaged wiring or connectors leading to the BCM.

  • Total: $100 - $300
  • Success rate: 80%
Money-Saving Tips for B2016
  • 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 B2016 Diagnosis Process

Follow these systematic steps to accurately diagnose B2016. 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 using GeekOBD APP - Retrieve all codes and freeze frame data to understand the fault context (10-15 minutes)

Step 2: OBD2 scan using 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 and related wiring for continuity and proper voltage (20-30 minutes)

Step 3: Component testing - Use a multimeter to test the BCM and related wiring for continuity and proper voltage (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 making repairs, verify the BCM operates correctly and clear any codes (10-15 minutes)

Step 4: System function test - After making repairs, verify the BCM operates correctly and clear 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 issue is resolved (15-20 minutes)

Step 5: Road test verification - Drive the vehicle under various conditions to confirm the issue is resolved (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: Repair of BCM in a 2008 Ford Fusion

Vehicle: 2008 Ford Fusion, 120,000 miles

Problem: Customer reported that the central locking system was malfunctioning and dashboard warning lights were flickering.

Diagnosis: After running the GeekOBD APP, DTC B2016 was retrieved. A visual inspection revealed corrosion on the BCM connectors.

Solution: Cleaned the connectors and replaced the BCM with a refurbished unit.

Cost: $450 (including parts and labor)

Result: All electronic functions were restored, and the customer reported no further issues.

Case Study 2: Wiring Repair on a 2010 Ford Escape

Vehicle: 2010 Ford Escape, 85,000 miles

Problem: Power windows were not functioning, and the check engine light was on.

Diagnosis: DTC B2016 was found during scanning, and inspection showed damaged wiring leading to the BCM.

Solution: Repaired the wiring and secured connections to the BCM.

Cost: $200 (specific cost breakdown for labor and materials)

Result: Power windows functioned properly post-repair, and the check engine light was cleared.

Diagnose B2016

Use GeekOBD APP for professional diagnosis!

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

Code Information

Code: B2016
System: Body (Airbags, Lighting, Security, Climate Control)
Severity: HIGH
Category: Body Codes