Quick Answer

B016C means: B016C indicates a malfunction in the Body Control Module related to the driver's door latch.

Fix: Check and replace faulty components Cost: $150 - $300 Time: 90-180 minutes

Can I drive with B016C? Immediate action is recommended to prevent security and functionality issues.

Common Questions

What does B016C mean and how does it affect my car?

The B016C code means there's a problem with the Body Control Module related to your car's driver's door latch. This can impact the locking mechanism and other electrical features controlled by the BCM, leading to inconvenience and potential safety issues.

What are the most common causes of B016C and how much does it cost to fix?

The main causes of the B016C code include a faulty door latch (60% likelihood), wiring issues (25%), and BCM malfunctions (10%). Fixing these issues can range from $100 to $300, depending on the specific repair needed.

Can I drive my car with B016C or should I stop immediately?

While you can technically drive the vehicle, it's advisable to address the B016C code as soon as possible to prevent security risks and ensure all electrical systems function properly.

How can I diagnose B016C myself using GeekOBD APP?

To diagnose B016C using the GeekOBD APP, connect the app to your OBD2 port and scan for trouble codes. Review freeze frame data to understand the conditions under which the code was triggered, and check for any additional codes that may provide context.

What vehicles are most commonly affected by B016C?

The B016C code is commonly seen in 2015-2019 Ford F-150 models. Other vehicles with similar BCM configurations may also exhibit this code, particularly if they experience electrical issues.

How can I prevent B016C from happening again?

To prevent future occurrences of the B016C code, regularly maintain your vehicle's electrical system, inspect door components for wear, and keep the BCM updated with software patches from the manufacturer.

What is B016C?

The diagnostic trouble code B016C refers to a specific issue related to the Body Control Module (BCM) in vehicles. This code indicates a malfunction in the circuit responsible for the driver's door latch or its position sensor. The BCM is critical for various electrical functions in your vehicle, including lighting, door locks, and security systems. When B016C is triggered, it usually means that the BCM is not receiving the expected signals from the door latch assembly, which can affect your car's locking mechanisms and, in some cases, may prevent the doors from locking or unlocking properly. This malfunction can lead to issues such as warning lights on the dashboard, erratic door lock behavior, and even security system failures. In practical terms, if you're experiencing symptoms related to this code, it may result in an inconvenience or even a safety concern, as locking mechanisms might fail to work. Addressing this issue promptly is advisable to ensure your vehicle's security and proper functioning.

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

Symptoms

Common symptoms when B016C is present:

  • The check engine light may illuminate, indicating a diagnostic problem in the BCM or door latch system.
  • Erratic door locks, where the doors may lock or unlock unexpectedly, causing frustration and potential safety issues.
  • Inconsistent operation of interior lighting and features controlled by the BCM, such as power windows and mirrors.
  • Failure of the key fob to lock or unlock the doors, which can lead to inconvenience while trying to access the vehicle.
  • Decreased battery performance due to constant BCM activity trying to resolve the door latch issue.

Possible Causes

Most common causes of B016C (ordered by frequency):

  1. {'cause': 'Faulty door latch assembly - 60% likelihood. The door latch may have worn out or shorted, failing to communicate with the BCM.', 'details': 'Over time, door latches can wear down or become corroded, leading to electrical failures.'}
  2. {'cause': 'Wiring issues - 25% likelihood. Damaged or corroded wiring can disrupt the signal between the door latch and the BCM.', 'technical_explanation': 'Inspect wiring harnesses for fraying or corrosion, which can lead to erratic electrical signals.'}
  3. {'cause': 'BCM malfunction - 10% likelihood. The Body Control Module itself may be malfunctioning, requiring reprogramming or replacement.', 'prevention_tips': "Keep the vehicle's electrical system clean and free of moisture to avoid BCM failures."}
  4. {'cause': 'Software glitches - 4% likelihood. Occasionally, software bugs within the BCM may cause miscommunication.', 'details': 'Regularly check for software updates from the manufacturer that may resolve these issues.'}
  5. {'cause': 'Mechanical obstructions - 1% likelihood. Debris or foreign objects in the door mechanism may prevent proper function.', 'details': 'Regular maintenance checks can help identify and clear these obstructions.'}

B016C Repair Costs

Cost Breakdown by Repair Type

Door latch assembly replacement

Replacing the faulty door latch with a new OEM part.

  • Total: $150 - $300
  • Success rate: 90%
Wiring repair

Repairing or replacing damaged wiring in the door harness.

  • Total: $100 - $200
  • Success rate: 80%
BCM reprogramming

Reprogramming the Body Control Module if it's determined to be faulty.

  • Total: $100 - $250
  • Success rate: 85%
Money-Saving Tips for B016C
  • 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 B016C Diagnosis Process

Follow these systematic steps to accurately diagnose B016C. 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 under the door panel for signs of wear.

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). A comprehensive scan will help narrow down the issue.

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 resistance and continuity of the door latch circuit and wiring (20-30 minutes)

Step 3: Component testing - Use a multimeter to test the resistance and continuity of the door latch circuit and wiring (20-30 minutes). This will help identify whether the door latch or wiring is at fault.

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 the proper operation of the door locks and other BCM-related functions (10-15 minutes)

Step 4: System function test - After repairs, verify the proper operation of the door locks and other BCM-related functions (10-15 minutes). Ensure everything is working as intended.

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 ensure no new codes appear (15-20 minutes)

Step 5: Road test verification - Drive the vehicle under various conditions to confirm repair success and ensure no new codes appear (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: Door Latch Replacement for 2018 Ford F-150

Vehicle: 2018 Ford F-150, 45,000 miles

Problem: Customer reported that the driver’s door would not lock or unlock reliably.

Diagnosis: OBD2 scan revealed B016C, indicating a malfunction in the door latch circuit. Visual inspection showed corrosion on the latch assembly.

Solution: Replaced the door latch assembly and cleared the trouble code.

Cost: $250 (part: $150, labor: $100)

Result: The door locking mechanism worked perfectly after the repair, and no further issues were reported.

Case Study 2: Wiring Issue in 2016 Ford Explorer

Vehicle: 2016 Ford Explorer, 60,000 miles

Problem: The car showed a persistent check engine light and erratic door lock behavior.

Diagnosis: Diagnostic testing revealed B016C; further inspection showed damaged wiring within the door harness.

Solution: Repaired the damaged wiring and secured connections.

Cost: $180 (parts: $30, labor: $150)

Result: Post-repair, the BCM functioned correctly, and the check engine light was resolved.

Diagnose B016C

Use GeekOBD APP for professional diagnosis!

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

Code Information

Code: B016C
System: Body (Airbags, Lighting, Security, Climate Control)
Severity: HIGH
Category: Body Codes