Quick Answer
B0606 means: B0606 indicates a malfunction within the Body Control Module (BCM), affecting vehicle electrical features.
Can I drive with B0606? Address this issue immediately to prevent further electrical failures.
Common Questions
What does B0606 mean and how does it affect my car?
The B0606 code indicates a malfunction in your vehicle's Body Control Module. This component manages various electrical systems in your car, including lights, locks, and alarm systems. If this code appears, you may experience issues like flickering lights or malfunctioning locks, which can compromise both safety and convenience.
What are the most common causes of B0606 and how much does it cost to fix?
Common causes of the B0606 code include a faulty Body Control Module, damaged wiring, or low battery voltage. Repair costs for replacing the BCM can range from $300 to $800, while wiring repairs might cost between $100 and $300.
Can I drive my car with B0606, or should I stop immediately?
Driving with a B0606 code is not advisable as it may lead to electrical failures while on the road. It's best to have your vehicle inspected promptly to avoid potential safety hazards.
How can I diagnose B0606 myself using GeekOBD APP?
Using the GeekOBD APP, you can perform a quick diagnostic scan of your vehicle. Connect the OBD2 scanner, access the app, and retrieve the trouble codes along with freeze frame data. Look for any related symptoms and consider performing a visual inspection of wiring and connectors.
What vehicles are most commonly affected by B0606?
The B0606 code is frequently seen in 2010-2015 Ford Fusion models, but it can also appear in other vehicles with similar BCM configurations. Always check for manufacturer recalls or technical service bulletins (TSBs) related to this issue.
How can I prevent B0606 from happening again?
To prevent the B0606 code from reappearing, regularly maintain your vehicle's electrical system. Check for corrosion on connections, ensure the battery is in good condition, and address any water intrusion issues promptly.
What is B0606?
The B0606 diagnostic trouble code (DTC) indicates a problem with the Body Control Module (BCM) in your vehicle. Specifically, this code points to a malfunction in the BCM's internal circuits, which manage essential features like the vehicle lighting, door locks, and other electrical components. When the BCM fails or experiences issues, it can lead to various operational failures. For instance, you might find that your headlights flicker, your power windows stop working, or your vehicle's alarm system behaves erratically. This code is especially common in 2010-2015 Ford Fusion models but can appear in other vehicles as well. If you see the B0606 code, it's crucial to address it promptly, as ignoring it could lead to more severe electrical problems and a compromised driving experience. Over time, persistent BCM issues can affect other systems in your vehicle, leading to safety concerns and potentially costly repairs. Regular diagnostics using tools like the GeekOBD APP can help in identifying and resolving these issues quickly, ensuring your vehicle remains safe and reliable.
System: B - Body (Airbags, Lighting, Security, Climate Control)
Symptoms
Common symptoms when B0606 is present:
- Check engine light stays on constantly, indicating a persistent issue that needs diagnostic attention.
- Power windows may fail to operate, causing inconvenience and potential safety issues in emergencies.
- Headlights flicker or malfunction, which can lead to dangerous driving conditions at night.
- Central locking system may not function correctly, leaving your vehicle vulnerable to theft.
- Dashboard warning lights activate intermittently, which can confuse the driver and mask other potential issues.
Possible Causes
Most common causes of B0606 (ordered by frequency):
- The most common cause of the B0606 code is a faulty Body Control Module itself, accounting for about 60% of cases. This could be due to internal component failure or software corruption.
- A second potential cause is damaged wiring or poor connections between the BCM and the vehicle's electrical system. Corrosion or frayed wires can disrupt signals, triggering this code.
- Another cause may be a low battery voltage or faulty alternator, leading to insufficient power to the BCM. Regular electrical system checks can help prevent this.
- Less common but serious causes include water intrusion into the BCM, which can occur with improper sealing or during heavy rains.
- A rare possibility is a software error in the BCM that may require reprogramming or an update to resolve.
B0606 Repair Costs
Cost Breakdown by Repair Type
BCM Replacement
Replacing the faulty Body Control Module with a new or refurbished unit.
- Total: $300 - $800
- Success rate: 85%
Wiring Repair
Repairing damaged wiring or connectors related to the BCM.
- Total: $100 - $300
- Success rate: 90%
Money-Saving Tips for B0606
- 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 B0606 Diagnosis Process
Follow these systematic steps to accurately diagnose B0606. 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).
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).
Step 3: Step 3: Component testing - Use a multimeter or specific diagnostic tools to test suspected components, especially the BCM and wiring (20-30 minutes)
Step 3: Component testing - Use a multimeter or specific diagnostic tools to test suspected components, especially the BCM and wiring (20-30 minutes).
Step 4: Step 4: System function test - Verify proper operation after repairs and clear codes (10-15 minutes)
Step 4: System function test - Verify proper operation after repairs and clear codes (10-15 minutes).
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).
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 2013 Ford Fusion
Vehicle: 2013 Ford Fusion, 75,000 miles
Problem: Customer reported intermittent power window failure and dashboard warning lights.
Diagnosis: Diagnostic scan revealed B0606 code and further testing indicated a malfunctioning BCM.
Solution: Replaced the Body Control Module and reprogrammed it using the GeekOBD APP.
Cost: $500 (including parts and labor)
Result: All electrical features operated correctly post-repair, and customer reported no further issues.
Case Study 2: Wiring Repair on a 2012 Ford Fusion
Vehicle: 2012 Ford Fusion, 80,000 miles
Problem: Owner experienced central locking issues and flickering headlights.
Diagnosis: Visual inspection revealed frayed wiring near the BCM.
Solution: Repaired damaged wiring and secured connections to the BCM.
Cost: $150 (labor included)
Result: All systems functioned normally after repair, with no further B0606 codes.