Quick Answer
U0167 means: DTC U0167 indicates that the Engine Control Module can't communicate with the Body Control Module, affecting various vehicle functions.
Can I drive with U0167? Immediate attention is recommended to prevent further electrical system failures.
Common Questions
What does U0167 mean and how does it affect my car?
DTC U0167 indicates a communication problem between your car's Engine Control Module and Body Control Module. This can affect vital systems like lights, locks, and even the engine's performance. If unresolved, it could lead to further electrical issues or even leave you stranded.
What are the most common causes of U0167 and how much does it cost to fix?
The most common cause of U0167 is a faulty BCM, which usually costs between $300 and $700 to replace. Wiring issues can also lead to this code, with repair costs ranging from $150 to $400. Software updates may resolve communication errors for around $50 to $150.
Can I drive my car with U0167 or should I stop immediately?
While it may be possible to drive your vehicle with DTC U0167, it is not advisable. Ignoring this code can lead to further complications, including electrical failures that could leave you stranded. It’s best to have it diagnosed and repaired as soon as possible.
How can I diagnose U0167 myself using GeekOBD APP?
Using the GeekOBD APP, connect it to your vehicle’s OBD2 port. Run a scan to retrieve the trouble codes and freeze frame data. This will help you understand the context of the U0167 code and assist in further diagnostics.
What vehicles are most commonly affected by U0167?
Commonly affected vehicles include the 2011-2014 Chevrolet Silverado, 2013-2015 Ford Escape, and various models from brands like Dodge and Jeep. Always check for recalls or Technical Service Bulletins (TSBs) related to your specific vehicle model.
How can I prevent U0167 from happening again?
Regular maintenance, including checking and cleaning electrical connections, can help prevent U0167. Ensure your vehicle's software is up to date and inspect wiring for wear or damage periodically.
What is U0167?
DTC U0167 is a diagnostic trouble code that indicates a loss of communication with the body control module (BCM) of your vehicle. This code typically arises when the Engine Control Module (ECM) cannot communicate with the BCM, which is responsible for controlling various electrical systems in the car, including lights, locks, and windows. The BCM plays a crucial role in managing these systems, and when it fails to communicate with the ECM, it can lead to a host of issues. Symptoms can range from minor annoyances, such as non-functional interior lights, to more severe problems like engine stalling or failure to start. This code is often seen in vehicles like the 2011-2014 Chevrolet Silverado and the 2013-2015 Ford Escape. If you encounter this code, it’s essential to address it promptly, as unresolved communication issues can lead to further electrical problems and possibly leave you stranded. Understanding the nature of this code is vital for effective troubleshooting and repair, as it can stem from various issues, including wiring problems, a faulty BCM, or even software glitches. Regular diagnostics using tools like the GeekOBD APP can help maintain proper vehicle function and catch these issues early.
System: U - Network (Communication, CAN Bus)
Symptoms
Common symptoms when U0167 is present:
- Check engine light stays on constantly, indicating a serious communication issue between modules.
- Power windows and locks may fail intermittently, making it difficult to secure the vehicle.
- Dashboard lights may flicker or remain on even when the vehicle is off, draining the battery.
- Engine hesitates or stalls during operation, leading to safety risks while driving.
- The vehicle may experience starting issues, where it fails to start or requires multiple attempts.
Possible Causes
Most common causes of U0167 (ordered by frequency):
- Faulty body control module (BCM) - 40% likelihood. This is the most common cause, often due to age or manufacturing defects.
- Wiring issues between the ECM and BCM - 30%. Damaged or corroded wiring can interrupt communication.
- Software glitches - 15%. Sometimes, a simple software update can resolve communication issues.
- Defective connectors - 10%. Loose or corroded connectors can lead to intermittent communication failures.
- Rarely, a failed ECM could be the culprit, though this is less common and often involves complex diagnostics.
U0167 Repair Costs
Cost Breakdown by Repair Type
BCM Replacement
Replacing the faulty body control module with a new or refurbished unit.
- Total: $300 - $700
- Success rate: 85%
Wiring Repair
Repairing or replacing damaged wiring between the ECM and BCM.
- Total: $150 - $400
- Success rate: 75%
Software Update
Updating the vehicle's software to resolve communication issues.
- Total: $50 - $150
- Success rate: 60%
Money-Saving Tips for U0167
- 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 U0167 Diagnosis Process
Follow these systematic steps to accurately diagnose U0167. 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 the BCM and related wiring (20-30 minutes)
Step 3: Component testing - Use a multimeter or specific diagnostic tools to test the BCM and related wiring (20-30 minutes).
Step 4: Step 4: System function test - Verify proper operation after repairs and clear codes to ensure the issue is resolved (10-15 minutes)
Step 4: System function test - Verify proper operation after repairs and clear codes to ensure the issue is resolved (10-15 minutes).
Step 5: Step 5: Road test verification - Drive the vehicle under various conditions to confirm repair success and ensure all systems function correctly (15-20 minutes)
Step 5: Road test verification - Drive the vehicle under various conditions to confirm repair success and ensure all systems function correctly (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 on a 2012 Chevrolet Silverado
Vehicle: 2012 Chevrolet Silverado 1500, 85,000 miles
Problem: Customer reported that interior lights were flickering and power locks were non-functional.
Diagnosis: After running a scan with GeekOBD APP, DTC U0167 was identified. A visual inspection revealed corroded connectors.
Solution: Replaced the BCM and cleaned all electrical connections.
Cost: $650 (parts: $500 for BCM, $150 for labor)
Result: All systems returned to normal operation, and customer reported satisfaction.
Case Study 2: Wiring Repair on a 2013 Ford Escape
Vehicle: 2013 Ford Escape, 70,000 miles
Problem: Customer experienced intermittent starting issues and dashboard lights flickering.
Diagnosis: Diagnosed U0167 and traced the issue to damaged wiring between the ECM and BCM.
Solution: Repaired the damaged wiring and secured connectors.
Cost: $250 (parts: $50 for wiring, $200 for labor)
Result: Vehicle started reliably and dashboard issues were resolved.