U0017 - Understanding the Communication Error Code in Ford, Chevrolet, and More

Quick Answer

U0017 means: U0017 indicates a communication error in the vehicle's control modules.

Fix: Check and replace faulty components Cost: $150 - $400 Time: 90-180 minutes

Can I drive with U0017? Immediate attention is recommended to prevent further electrical issues.

Common Questions

What does U0017 mean and how does it affect my car?

U0017 indicates a communication issue between your vehicle's control modules. This can lead to a variety of performance problems, including erratic engine behavior and safety system failures. Addressing this code promptly is crucial to maintaining your vehicle's functionality and safety.

What are the most common causes of U0017 and how much does it cost to fix?

The most common causes of U0017 include damaged wiring or connectors, and faulty control modules, with repair costs typically ranging from $150 to $800 depending on the issue. Regular maintenance can help prevent these issues.

Can I drive my car with U0017 or should I stop immediately?

It is not advisable to drive your vehicle with a U0017 code as it can lead to safety issues. It's best to have the vehicle inspected as soon as possible to avoid any potential hazards.

How can I diagnose U0017 myself using GeekOBD APP?

Using the GeekOBD APP, start by running a full scan of your vehicle to check for the U0017 code. The app will provide freeze frame data that can help you understand the conditions under which the fault occurred. Follow the app's guidance for further diagnostics.

What vehicles are most commonly affected by U0017?

U0017 is frequently seen in 2010-2017 Ford F-Series, 2010-2017 Chevrolet Silverado, and various models from GMC and Dodge. Check for any recalls or Technical Service Bulletins (TSBs) related to your specific vehicle.

How can I prevent U0017 from happening again?

Regular maintenance, including checking wiring and connectors, can help you avoid future U0017 occurrences. Additionally, ensure that any aftermarket modifications are properly installed to reduce electrical interference.

What is U0017?

Diagnostic Trouble Code (DTC) U0017 indicates that there is a communication error within the vehicle's control modules, specifically related to the High-Speed CAN (Controller Area Network) bus. This code is commonly found in vehicles manufactured by major brands like Ford, Chevrolet, and GMC from the late 2000s onwards. When your vehicle's onboard computers cannot communicate properly due to electrical issues, it can lead to a range of performance problems. For instance, you may notice the check engine light illuminating, abnormal engine performance, or various warning lights on the dashboard. This communication failure often stems from damaged wiring, faulty connectors, or issues with the control modules themselves. In practical terms, if you encounter this code, it is crucial to address it promptly to avoid escalating electrical problems that could affect critical vehicle functions such as stability control or anti-lock braking systems. Ignoring the U0017 code can not only lead to inconvenience but could also pose safety risks while driving. Regular diagnostics and maintenance are key to ensuring that your vehicle's communication systems are functioning optimally.

System: U - Network (Communication, CAN Bus)

Symptoms

Common symptoms when U0017 is present:

  • The check engine light stays on constantly, indicating a potential communication error that should not be ignored.
  • Engine performance issues such as hesitation during acceleration, which can make driving unsafe.
  • Fuel economy decreased by 10-15%, leading to increased operating costs and more frequent trips to the gas station.
  • Dashboard warning lights for various systems illuminate unexpectedly, suggesting a broader electrical problem.
  • Difficulty in starting the engine or sporadic stalling, which can be frustrating and dangerous.

Possible Causes

Most common causes of U0017 (ordered by frequency):

  1. {'cause': 'Damaged wiring or connectors (70%) - The most common issue is damaged or corroded wiring in the CAN bus system, which can disrupt communication between modules.', 'details': 'Inspect the wiring harness for any signs of wear, corrosion, or physical damage.'}
  2. {'cause': 'Faulty control modules (20%) - A malfunctioning control module can also prevent proper communication.', 'details': "It's important to diagnose and potentially replace the faulty module."}
  3. {'cause': 'Ground connection issues (5%) - Poor ground connections can lead to intermittent communication errors.', 'details': 'Check all ground connections for corrosion and ensure they are secure.'}
  4. {'cause': 'Electrical interference (3%) - Other electronic devices or modifications can sometimes generate interference.', 'details': 'Identify any aftermarket accessories that might be causing issues.'}
  5. {'cause': "Rare case of software glitches (2%) - Occasionally, software problems in the vehicle's ECUs can lead to communication failures.", 'details': 'Updating software can resolve these issues if all hardware checks out.'}

U0017 Repair Costs

Cost Breakdown by Repair Type

Wiring and Connector Repair

Repair or replace damaged wiring and connectors in the CAN bus system.

  • Total: $150 - $400
  • Success rate: 90%
Control Module Replacement

Diagnose and replace faulty control modules if necessary.

  • Total: $300 - $800
  • Success rate: 85%
Money-Saving Tips for U0017
  • 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 U0017 Diagnosis Process

Follow these systematic steps to accurately diagnose U0017. 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 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).

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 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).

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: Repair Case Study: 2012 Ford F-150 - Communication Failure

Vehicle: 2012 Ford F-150, 85,000 miles

Problem: Customer reported multiple warning lights and engine performance issues.

Diagnosis: Diagnostic scan revealed U0017 along with other communication codes. A visual inspection showed damaged wiring in the CAN bus.

Solution: Repaired the damaged wiring and replaced corroded connectors, followed by system testing.

Cost: $250 for the repair and diagnostic service.

Result: All warning lights cleared, and the vehicle performed normally after repairs.

Case Study 2: Repair Case Study: 2015 Chevrolet Silverado - Intermittent Stalling

Vehicle: 2015 Chevrolet Silverado, 60,000 miles

Problem: Customer experienced intermittent stalling and dashboard warning lights.

Diagnosis: U0017 was detected; further testing indicated a faulty control module.

Solution: Replaced the control module and reprogrammed the vehicle's computer.

Cost: $750 for parts and labor.

Result: Stalling issues resolved, and the vehicle returned to normal operating condition.

Diagnose U0017

Use GeekOBD APP for professional diagnosis!

  • Real-time data monitoring
  • Advanced diagnostic features
  • Step-by-step repair guidance
  • Professional-grade analysis
Download GeekOBD APP Get MOBD Adapter

Code Information

Code: U0017
System: Network (Communication, CAN Bus)
Severity: HIGH
Category: Network Codes