U0B68 - Understanding DTC U0B68: Common in 2016-2019 Ford Edge and Other Models

Quick Answer

U0B68 means: DTC U0B68 indicates a communication failure within the vehicle's body control module.

Fix: Check and replace faulty components Cost: $400 - $800 Time: 90-180 minutes

Can I drive with U0B68? Immediate attention is recommended to avoid further electronic issues.

Common Questions

What does U0B68 mean and how does it affect my car?

DTC U0B68 indicates a communication issue within your car's body control module. This can affect various electronic systems, leading to malfunctions such as erratic door locks and dashboard alerts. If not addressed, it could lead to more severe electronic failures, affecting your vehicle's operability and safety.

What are the most common causes of U0B68 and how much does it cost to fix?

The most frequent cause of U0B68 is a faulty Body Control Module (BCM), which can cost between $400 and $800 to replace. Other causes include poor wiring connections or software issues, which can be less expensive to fix, ranging from $50 to $300. Regular diagnostics and maintenance can help prevent these issues.

Can I drive my car with U0B68 or should I stop immediately?

It’s advisable to stop driving your vehicle if the U0B68 code appears. Continuing to drive can lead to further electronic failures, which may compromise safety and functionality. It's best to have the vehicle inspected as soon as possible.

How can I diagnose U0B68 myself using GeekOBD APP?

To diagnose U0B68 using the GeekOBD APP, connect it to your vehicle's OBD2 port. Follow the prompts to read the diagnostic trouble codes and check for freeze-frame data that can give context to the issue. Look for any related codes that may help pinpoint the exact problem.

What vehicles are most commonly affected by U0B68?

DTC U0B68 is commonly reported in models such as the 2016-2019 Ford Edge, 2017-2019 Ford Fusion, and some variants of the 2018-2020 Lincoln MKX. These models may have recalls or technical service bulletins related to the BCM.

How can I prevent U0B68 from happening again?

To prevent U0B68, ensure regular maintenance of your vehicle’s electrical systems. Check for water leaks that could damage the BCM, and keep connections clean and free from corrosion. Regular software updates through dealership services can also help maintain the BCM's functionality.

What is U0B68?

DTC U0B68 is a diagnostic trouble code that indicates a problem related to the vehicle's communication network, specifically within the body control module (BCM). This code often suggests that there's a malfunction in the communication between the BCM and other modules within the vehicle. The Body Control Module is responsible for managing various functions such as lighting, windows, and even the vehicle’s keyless entry system. When U0B68 is triggered, it typically means that the BCM is unable to communicate properly with other essential systems, leading to potential failures in those areas. For drivers, this can manifest as erratic behavior from electronic components, like the doors locking or unlocking unexpectedly, or warning lights illuminating on the dashboard. Ignoring this code could lead to more significant issues down the line, as it may prevent the vehicle from starting or functioning correctly. In some cases, it may even lead to safety concerns if critical systems do not perform as expected. To ensure your vehicle operates smoothly, addressing DTC U0B68 promptly is crucial.

System: U - Network (Communication, CAN Bus)

Symptoms

Common symptoms when U0B68 is present:

  • Check engine light illuminates and stays on, indicating a potential issue with the vehicle's systems.
  • Unexpected door locks/unlocks or failure to respond to keyless entry, leading to inconvenience and security concerns.
  • Dashboard warning lights may flicker or behave erratically, suggesting an underlying electronic issue.
  • Power windows may fail to operate, affecting the driver's ability to control ventilation and comfort in the cabin.
  • Unresponsive or malfunctioning interior lights, which can be frustrating and indicate broader electrical problems.

Possible Causes

Most common causes of U0B68 (ordered by frequency):

  1. The most common cause is a faulty Body Control Module (BCM), with a likelihood of approximately 60%. Issues may arise from water damage or internal failures.
  2. Poor electrical connections or corroded wiring can account for about 20% of cases. This often occurs due to exposure to moisture or road debris.
  3. Another possible cause is software glitches in the BCM, leading to communication errors. Regular software updates can help prevent this issue.
  4. Less common but serious causes include damaged or shorted wiring harnesses, which can lead to multiple system failures.
  5. In rare cases, a malfunctioning scan tool may erroneously trigger the U0B68 code, leading to unnecessary repairs.

U0B68 Repair Costs

Cost Breakdown by Repair Type

Replace Body Control Module

Replacing the BCM is often necessary to resolve U0B68. This involves removing the old module and installing a new one, followed by programming.

  • Total: $400 - $800
  • Success rate: 85%
Repair Wiring Harness

If wiring issues are identified, repairing or replacing damaged wires can solve the problem without replacing the BCM.

  • Total: $100 - $300
  • Success rate: 75%
Software Update

For issues related to software glitches, a simple software update may resolve the problem.

  • Total: $50 - $150
  • Success rate: 60%
Money-Saving Tips for U0B68
  • 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 U0B68 Diagnosis Process

Follow these systematic steps to accurately diagnose U0B68. 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 multimeter or specific diagnostic tools to test suspected components (20-30 minutes)

Step 3: Component testing - Use multimeter or specific diagnostic tools to test suspected components (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 (10-15 minutes)

Step 4: System function test - Verify proper operation after repairs and clear 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 vehicle under various conditions to confirm repair success (15-20 minutes)

Step 5: Road test verification - Drive 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: Ford Edge BCM Replacement

Vehicle: 2017 Ford Edge, 85,000 miles

Problem: Customer reported erratic door locking and dashboard warning lights.

Diagnosis: After scanning with GeekOBD APP, U0B68 was identified alongside other communication codes. A visual inspection revealed corrosion on the BCM connectors.

Solution: Replaced the Body Control Module and cleaned the connectors. Reprogrammed the new module using diagnostic tools.

Cost: $650 (parts: $500 for BCM, $150 for labor)

Result: Post-repair, all systems functioned correctly, and the customer reported no further issues.

Case Study 2: Wiring Repair on a Ford Fusion

Vehicle: 2018 Ford Fusion, 60,000 miles

Problem: Customer experienced intermittent power window failures and U0B68 code appeared.

Diagnosis: Using the GeekOBD APP, we confirmed U0B68 and identified poor wiring connections at the BCM.

Solution: Repaired the damaged wiring and secured all connections. No parts needed other than wiring connectors.

Cost: $200 (labor only)

Result: After the repair, the windows operated smoothly, and the U0B68 code was cleared.

Diagnose U0B68

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: U0B68
System: Network (Communication, CAN Bus)
Severity: HIGH
Category: Network Codes