U0179 - Lost Communication with Vehicle Communication Interface Module (Common in 2015-2020 Ford F-150, Chevrolet Silverado)

Quick Answer

U0179 means: U0179 indicates a lost communication with the Vehicle Communication Interface Module, affecting various systems in your vehicle.

Fix: Check and replace faulty components Cost: $300 - $600 Time: 90-180 minutes

Can I drive with U0179? Immediate attention is recommended to prevent further complications.

Common Questions

What does U0179 mean and how does it affect my car?

The U0179 code signifies a loss of communication with the Vehicle Communication Interface Module, which can lead to various electronic systems in your car failing to operate correctly. This means your infotainment system may not work, safety features could be impaired, and overall vehicle performance may suffer. It's essential to address this issue promptly to maintain your vehicle's reliability and safety.

What are the most common causes of U0179 and how much does it cost to fix?

Common causes of the U0179 code include a faulty Vehicle Communication Interface Module, wiring issues, and corrosion on connectors. Repair costs can range from $100 for simple wiring repairs to $600 for module replacement, depending on the extent of the damage and labor involved.

Can I drive my car with U0179 or should I stop immediately?

While you may still drive your vehicle with a U0179 code, it is not advisable. The lost communication can affect critical systems, potentially leading to safety issues or further damage. It’s best to address the problem as soon as possible to ensure your safety and the integrity of your vehicle.

How can I diagnose U0179 myself using GeekOBD APP?

To diagnose U0179 with the GeekOBD APP, start by connecting the app to your vehicle's OBD2 port. Scan for codes, and note any related codes that appear alongside U0179. Check the freeze frame data to see what conditions triggered the code, and follow the diagnostic steps outlined in the app for further insights.

What vehicles are most commonly affected by U0179?

The U0179 code is commonly found in vehicles such as the 2015-2020 Ford F-150 and Chevrolet Silverado. These models may have known issues with their communication modules, so it's advisable to stay updated on any recalls or technical service bulletins (TSBs) related to this fault.

How can I prevent U0179 from happening again?

To prevent the U0179 code from recurring, ensure regular maintenance of your vehicle's electrical systems. This includes checking and cleaning connectors, using dielectric grease to prevent corrosion, and conducting periodic diagnostics with tools like the GeekOBD APP to catch issues early.

What is U0179?

The diagnostic trouble code (DTC) U0179 indicates a communication breakdown between the vehicle's control modules, specifically pointing to a disruption in the Vehicle Communication Interface Module (VCIM). This issue often arises when the VCIM, which facilitates communication between various modules in your vehicle, is unable to transmit or receive data from other critical components. When this communication is interrupted, it can lead to several operational problems, including failure in systems that rely on inter-module communication, such as infotainment systems, safety features, and even engine performance. Drivers may notice warning lights on the dashboard, such as the check engine light or other alerts. If left unaddressed, a U0179 code can prevent essential vehicle systems from functioning correctly, potentially compromising safety features and overall vehicle performance. It's crucial for car owners to understand that this is not just a minor inconvenience; it can lead to more significant issues down the line if the underlying cause is not investigated and resolved. Regular vehicle diagnostics using tools like the GeekOBD APP can help in early identification of such codes, enabling timely intervention.

System: U - Network (Communication, CAN Bus)

Symptoms

Common symptoms when U0179 is present:

  • The check engine light remains illuminated, indicating a fault that requires immediate attention.
  • Infotainment system may become unresponsive or fail to connect to Bluetooth devices, affecting usability.
  • Driver experiences erratic behavior from electronic systems, such as unexpected shutdowns or malfunctions in driver-assistance features.
  • Vehicle may exhibit poor performance or hesitation during acceleration due to communication issues affecting engine management systems.
  • Reduced fuel efficiency may be noted, as the vehicle's control modules cannot communicate effectively to optimize performance.

Possible Causes

Most common causes of U0179 (ordered by frequency):

  1. The most common cause is a faulty Vehicle Communication Interface Module, which has a likelihood of approximately 60%, often due to age or electrical issues.
  2. Wiring issues or loose connections within the vehicle’s electrical harness can lead to a disconnection, with about 25% likelihood, typically caused by wear and tear or previous repairs.
  3. Corrosion on connectors and terminals can disrupt communication, leading to a 10% probability of occurrence, highlighting the importance of regular maintenance checks.
  4. Less common but serious causes include software glitches or outdated firmware in the vehicle's control modules, which can result in communication failures.
  5. Rare instances may involve physical damage to the communication bus, which could necessitate extensive repairs or replacement of multiple components.

U0179 Repair Costs

Cost Breakdown by Repair Type

Replace Vehicle Communication Interface Module

This involves removing the old VCIM and installing a new one, which often resolves the U0179 code.

  • Total: $300 - $600
  • Success rate: 85%
Repair Wiring and Connections

Involves identifying and repairing any damaged or corroded wiring connections related to the VCIM.

  • Total: $100 - $250
  • Success rate: 75%
Money-Saving Tips for U0179
  • 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 U0179 Diagnosis Process

Follow these systematic steps to accurately diagnose U0179. Each step builds on the previous one to ensure accurate diagnosis.

Step 1: Step 1: Perform an initial visual inspection - Look for damaged wiring, loose connectors, or signs of corrosion around the VCIM and other related modules (5-10 minutes)

Step 1: Perform an initial visual inspection - Look for damaged wiring, loose connectors, or signs of corrosion around the VCIM and other related modules (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: Use the GeekOBD APP to conduct a complete OBD2 scan - Retrieve all existing codes and review freeze frame data to provide context for the U0179 code (10-15 minutes)

Step 2: Use the GeekOBD APP to conduct a complete OBD2 scan - Retrieve all existing codes and review freeze frame data to provide context for the U0179 code (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: Conduct component testing - Utilize a multimeter to check the voltage and continuity of the wiring and connectors linked to the VCIM (20-30 minutes)

Step 3: Conduct component testing - Utilize a multimeter to check the voltage and continuity of the wiring and connectors linked to the VCIM (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: Run a system function test - After making any necessary repairs, verify that all systems are operational and clear the codes using the GeekOBD APP (10-15 minutes)

Step 4: Run a system function test - After making any necessary repairs, verify that all systems are operational and clear the codes using the GeekOBD APP (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: Complete a road test - Drive the vehicle under various conditions to ensure that the communication issues have been resolved and monitor for recurring codes (15-20 minutes)

Step 5: Complete a road test - Drive the vehicle under various conditions to ensure that the communication issues have been resolved and monitor for recurring codes (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: 2018 Ford F-150 - Communication Loss Fixed

Vehicle: 2018 Ford F-150, 45,000 miles

Problem: Customer reported check engine light and unresponsive infotainment system.

Diagnosis: Diagnostic scan revealed U0179 code alongside a few other communication-related codes. Visual inspection showed corrosion on the VCIM connectors.

Solution: Cleaned the connectors and replaced the VCIM, which resolved the communication issues.

Cost: $450 (including parts and labor)

Result: Post-repair, all systems functioned normally, and the customer reported satisfaction with the repair.

Case Study 2: 2016 Chevrolet Silverado - Wiring Repair Success

Vehicle: 2016 Chevrolet Silverado, 60,000 miles

Problem: Owner experienced intermittent check engine light and failure of driver-assistance features.

Diagnosis: Scanned for codes and found U0179. Inspection revealed damaged wiring harness leading to VCIM.

Solution: Repaired the wiring and secured loose connections, eliminating the communication error.

Cost: $180 (for wiring repairs)

Result: Customer noted improved vehicle performance and no recurrence of the warning light.

Diagnose U0179

Use GeekOBD APP for professional diagnosis!

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  • Step-by-step repair guidance
  • Professional-grade analysis
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Code Information

Code: U0179
System: Network (Communication, CAN Bus)
Severity: HIGH
Category: Network Codes