Quick Answer
U0059 means: U0059 signifies a communication failure on the vehicle's bus system, affecting module interactions.
Can I drive with U0059? Immediate attention is recommended to prevent further electronic failures.
Common Questions
What does U0059 mean and how does it affect my car?
The U0059 code indicates a communication failure within your vehicle's electronic systems. This can lead to various issues, including performance degradation, erratic electronic behavior, and potential safety concerns. If not addressed, it can cause further damage to connected modules.
What are the most common causes of U0059 and how much does it cost to fix?
Common causes of U0059 include faulty wiring, defective control modules, and poor ground connections. Repair costs can vary widely, typically ranging from $150 for wiring repairs to over $1,200 for module replacements, depending on the exact issue.
Can I drive my car with U0059 or should I stop immediately?
It’s advisable to stop driving your vehicle if the U0059 code is present, as this can lead to more significant problems or safety hazards. It's best to have a technician diagnose and repair the issue as soon as possible.
How can I diagnose U0059 myself using GeekOBD APP?
Using the GeekOBD APP, connect your device to the OBD2 port and retrieve diagnostic trouble codes. Check for the U0059 code and any related codes. The app can provide freeze frame data to help you understand the vehicle's state at the time of the error.
What vehicles are most commonly affected by U0059?
Commonly affected vehicles include the 2015-2018 Ford F-150, Chevrolet Silverado, and Dodge RAM models. Check for any recalls or technical service bulletins related to this issue for your specific model.
How can I prevent U0059 from happening again?
Regular maintenance, including inspecting wiring harnesses and connectors, can help prevent U0059. Ensure that your vehicle's electrical system is in good condition and address any signs of wear or corrosion promptly.
What is U0059?
The DTC U0059 code indicates a communication problem within the vehicle's onboard diagnostic system, specifically related to the 'A' bus network. This code typically signifies that the Engine Control Module (ECM) is unable to communicate with other modules like the Transmission Control Module (TCM) or Body Control Module (BCM). For instance, in vehicles such as the 2015-2018 Ford F-150, this issue may arise from a fault in the wiring harness, a malfunctioning control module, or a poor connection due to corrosion or damage. When the U0059 code is present, drivers might experience symptoms such as erratic behavior of electronic components, difficulty starting the vehicle, or the check engine light being illuminated. Ignoring this code can lead to further complications, including reduced vehicle performance, increased fuel consumption, or even complete system failure. Addressing a U0059 code promptly is crucial for maintaining vehicle functionality and safety, ensuring that all electronic systems operate efficiently and reliably.
System: U - Network (Communication, CAN Bus)
Symptoms
Common symptoms when U0059 is present:
- Check engine light stays on constantly, indicating a failure in the vehicle's communication systems.
- Erratic behavior of electronic components, such as power windows or dashboard lights flickering.
- Difficulty starting the vehicle, experiencing intermittent starting issues that could worsen over time.
- Loss of functionality in features like cruise control or traction control, leading to decreased driving safety.
- Increased fuel consumption noted on the dashboard, suggesting that the engine is not performing optimally.
Possible Causes
Most common causes of U0059 (ordered by frequency):
- Faulty wiring or connectors (60% likelihood) - Damaged or corroded wiring can hinder communication between modules.
- Defective control module (25% likelihood) - A malfunctioning ECM or TCM can prevent proper data transmission.
- Poor ground connection (10% likelihood) - Insufficient grounding can disrupt the bus network's communication.
- Faulty sensors (3% likelihood) - Sensors that provide data to the ECM may fail, hindering communication.
- Electrical interference (2% likelihood) - Other electronic devices in the vehicle may interfere with communication signals.
U0059 Repair Costs
Cost Breakdown by Repair Type
Wiring Repair
Repair or replacement of damaged wiring and connectors in the communication bus.
- Total: $150 - $400
- Success rate: 85%
Control Module Replacement
Replacing the faulty Engine Control Module (ECM) or Transmission Control Module (TCM).
- Total: $500 - $1,200
- Success rate: 90%
Money-Saving Tips for U0059
- 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 U0059 Diagnosis Process
Follow these systematic steps to accurately diagnose U0059. 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 (20-30 minutes)
Step 3: Component testing - Use a multimeter or specific diagnostic tools to test suspected components (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 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).
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 F-150 Communication Issue
Vehicle: 2016 Ford F-150, 50,000 miles
Problem: Customer reported intermittent starting issues and check engine light illumination.
Diagnosis: A thorough diagnostic revealed the U0059 code, indicating a communication failure. Visual inspection found damaged wiring in the harness.
Solution: Repaired the damaged wiring and connectors to restore communication.
Cost: $250 (wiring repair and labor)
Result: The vehicle started reliably after the repair, and the check engine light remained off during follow-up inspections.
Case Study 2: Chevrolet Silverado Module Replacement
Vehicle: 2017 Chevrolet Silverado 1500, 75,000 miles
Problem: Customer experienced erratic behavior in electronic components and difficulty starting.
Diagnosis: Diagnostic scanning showed U0059 alongside other codes indicating module communication issues.
Solution: Replaced the faulty Engine Control Module (ECM) and reprogrammed it for the vehicle.
Cost: $950 (including parts and labor)
Result: Post-repair, all electronic functions operated smoothly, and the customer reported improved vehicle performance.