Quick Answer
B0919 means: B0919 signifies a malfunction in the body control module, impacting various electronic functions in your vehicle.
Can I drive with B0919? Immediate attention is advised to prevent further electrical issues.
Common Questions
What does B0919 mean and how does it affect my car?
The B0919 code signals a malfunction in the body control module, which is essential for managing various electrical components in your vehicle. If ignored, it can lead to issues like malfunctioning lights, unresponsive door locks, and can even affect your vehicle's security system.
What are the most common causes of B0919 and how much does it cost to fix?
Common causes include a faulty body control module, damaged wiring, or poor connections. Repair costs can range from $100 for wiring repairs to upwards of $800 for complete BCM replacement, depending on the severity of the issue.
Can I drive my car with B0919 or should I stop immediately?
While you may be able to drive your car with B0919, it's advisable to seek immediate attention. Continuing to drive may worsen the electrical problems, risking safety and reliability.
How can I diagnose B0919 myself using GeekOBD APP?
You can diagnose B0919 by connecting the GeekOBD APP to your vehicle's OBD2 port. Follow the app's instructions to retrieve the code and check for other related faults. Pay attention to freeze frame data that gives context to the error.
What vehicles are most commonly affected by B0919?
The B0919 code is frequently seen in 2015-2018 Ford F-150 models. Other vehicles with similar body control module setups may also exhibit this issue, particularly if they have experienced electrical system failures.
How can I prevent B0919 from happening again?
To prevent B0919, regularly inspect your vehicle’s wiring and connections for signs of wear. Ensure that any electrical components are installed correctly and maintained properly to avoid short circuits and corrosion.
What is B0919?
DTC B0919 indicates a malfunction within the body control module (BCM) of your vehicle, which is crucial for managing various electrical systems such as lighting, door locks, and windows. This code typically arises when the BCM detects a fault in its operation or communication with other modules. For example, in 2015-2018 Ford F-150 models, this could stem from issues like a faulty BCM, wiring problems, or a short circuit in the electrical system. Real-world implications include malfunctions in your vehicle's electronics, such as lights flickering or failing to operate, power windows becoming inoperable, or the vehicle’s security system behaving erratically. Ignoring this code can lead to more significant electrical issues over time, potentially affecting the vehicle's safety features and overall reliability. Regular diagnostics using OBD2 readers like the GeekOBD APP can help in identifying intermittent faults before they escalate into severe problems. By addressing the B0919 code promptly, you can ensure your vehicle continues to operate smoothly and safely, maintaining both functionality and resale value.
System: B - Body (Airbags, Lighting, Security, Climate Control)
Symptoms
Common symptoms when B0919 is present:
- The check engine light illuminates, signaling an issue with the vehicle’s electronic systems.
- Power windows may fail to operate intermittently, affecting convenience and safety.
- Interior and exterior lights flicker or fail to turn on, indicating a possible BCM failure.
- Door locks may become unresponsive, preventing access to the vehicle.
- Malfunctioning dashboard indicators, such as warning lights that remain illuminated without cause.
Possible Causes
Most common causes of B0919 (ordered by frequency):
- The most common cause is a faulty body control module, which occurs in approximately 60% of cases. This can result from manufacturing defects or electrical surges.
- Corroded or damaged wiring is the second most common cause, often leading to communication failures between the BCM and other modules.
- A poor connection due to loose or corroded connectors can trigger the B0919 code, making regular inspections vital to prevent this issue.
- Less common, but serious, is a short circuit in the vehicle’s wiring harness, which can lead to extensive electrical failures.
- A rare but possible cause is software glitches in the BCM that may require a reprogramming or update from a dealership.
B0919 Repair Costs
Cost Breakdown by Repair Type
BCM Replacement
Replacing the body control module with a new or refurbished unit.
- Total: $400 - $800
- Success rate: 85%
Wiring Repair
Repairing or replacing damaged wiring that leads to the BCM.
- Total: $100 - $300
- Success rate: 90%
Software Reprogramming
Reprogramming the BCM to fix software-related issues.
- Total: $75 - $150
- Success rate: 70%
Money-Saving Tips for B0919
- 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 B0919 Diagnosis Process
Follow these systematic steps to accurately diagnose B0919. Each step builds on the previous one to ensure accurate diagnosis.
Step 1: Step 1: Perform an initial visual inspection
Step 1: Perform an initial visual inspection. Check for visible signs of damage, such as frayed wires, loose connections, or corrosion around the BCM (5-10 minutes).
Step 2: Step 2: Use the GeekOBD APP for an OBD2 scan
Step 2: Use the GeekOBD APP for an OBD2 scan. Retrieve all stored codes and freeze frame data to better understand the context of the fault (10-15 minutes).
Step 3: Step 3: Conduct component testing with a multimeter
Step 3: Conduct component testing with a multimeter. Test the BCM and associated components to confirm their functionality (20-30 minutes).
Step 4: Step 4: After any repairs, perform a system function test to ensure all electronic systems are operating correctly and clear any codes (10-15 minutes)
Step 4: After any repairs, perform a system function test to ensure all electronic systems are operating correctly and clear any codes (10-15 minutes).
Step 5: Step 5: Conduct a road test under various conditions to ensure that the issue has been resolved and the vehicle operates as expected (15-20 minutes)
Step 5: Conduct a road test under various conditions to ensure that the issue has been resolved and the vehicle operates as expected (15-20 minutes).
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 2016 Ford F-150
Vehicle: 2016 Ford F-150, 85,000 miles
Problem: Customer reported intermittent issues with power windows and flickering lights.
Diagnosis: Diagnostic scan revealed B0919. Visual inspection found corroded connectors at the BCM.
Solution: Replaced the body control module and repaired corroded connectors. Reprogrammed the new BCM.
Cost: $600 (Parts: $400 for BCM, $50 for connectors, $150 for labor)
Result: All electrical systems operated correctly post-repair. Customer reported satisfaction with the resolution.
Case Study 2: Wiring Repair in a 2017 Ford Escape
Vehicle: 2017 Ford Escape, 60,000 miles
Problem: Dashboard indicators were malfunctioning, and the check engine light was on.
Diagnosis: B0919 was stored in the PCM. Inspection revealed damaged wiring leading to the BCM.
Solution: Repaired the damaged wiring and ensured all connectors were secure.
Cost: $200 (Parts: $100 for wiring, $100 for labor)
Result: Post-repair, all dashboard indicators functioned correctly, and the check engine light was cleared.