Engine-CodesNissan – C1172 Nissan

C1172 Nissan Code - Local Arear Network Communication 2

Quick Answer

The C1172 Nissan code refers to a Local Area Network Communication 2 error. Common causes include Faulty Wiring: Damaged or corroded wiring within the network can disrupt communication, Loose or Damaged Connectors: Loose or damaged connectors between components can cause communication issues, Malfunctioning Control Module: A malfunctioning control module that is part of the network can trigger the C1172 code. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
C1172 Nissan indicates Local Arear Network Communication 2.
Common causes
Common causes include Faulty Wiring: Damaged or corroded wiring within the network can disrupt communication, Loose or Damaged Connectors: Loose or damaged connectors between components can cause communication issues, Malfunctioning Control Module: A malfunctioning control module that is part of the network can trigger the C1172 code.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Table of contents Created and updated by William Orellana on Sep 12, 2024
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Code C1172 Nissan Description

The C1172 Nissan code refers to a Local Area Network Communication 2 error. In modern vehicles, there are multiple systems that communicate with each other through a network to ensure smooth operation and performance. When this code appears, it indicates a communication problem within the network, specifically with the Local Area Network Communication 2.

OBDII Code C1172 Nissan - Local Arear Network Communication 2
C1172 Nissan Code - Local Arear Network Communication 2

Common Causes of C1172 Nissan

  1. Faulty Wiring: Damaged or corroded wiring within the network can disrupt communication.
  2. Loose or Damaged Connectors: Loose or damaged connectors between components can cause communication issues.
  3. Malfunctioning Control Module: A malfunctioning control module that is part of the network can trigger the C1172 code.
  4. Corrosion: Corrosion on connectors or terminals can interfere with the communication signals.
  5. Water Damage: Exposure to water or moisture can lead to corrosion and communication problems within the network.

Symptoms of C1172 Nissan

  1. Check Engine Light: The most common symptom associated with the C1172 code is the illumination of the check engine light on the dashboard.
  2. Erratic Behavior: The vehicle may exhibit erratic behavior such as sudden jerks, hesitation, or unresponsiveness.
  3. Transmission Issues: Problems with shifting gears or unusual noises coming from the transmission could indicate a communication problem.
  4. Reduced Performance: The vehicle may experience a decrease in performance, including decreased power or acceleration.
  5. Electrical Malfunctions: Issues with electrical components such as power windows, door locks, or lights may occur due to the communication error.

How to Fix C1172 Nissan

  1. Diagnose the Issue: Use a diagnostic scanner to retrieve the trouble codes and pinpoint the source of the communication problem.
  2. Inspect Wiring and Connectors: Check all wiring and connectors in the network for damage, corrosion, or loose connections.
  3. Repair or Replace Faulty Components: Repair or replace any damaged wiring, connectors, or control modules causing the communication issue.
  4. Clear Codes: Clear the trouble codes from the vehicle's computer after completing the repairs.
  5. Test Drive: Take the vehicle for a test drive to ensure that the communication issue has been resolved and that all systems are functioning properly.

Cost to Fix C1172 Nissan

The typical repair costs for addressing the C1172 Nissan code can range from $200 to $500, including parts and labor. However, it's important to note that the specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. While most auto repair shops charge between $80 and $150 per hour, rates in metropolitan areas or at dealerships may be higher, while independent shops often charge less. To obtain a more accurate estimate, it is recommended to check local rates before proceeding with the repair.

When is the Code Detected?

On the Local Area Network (LAN) between Control Area Network (CAN)-Local Arear Network (LAN) converter (CLC) and Engine Control Module (ECM), ECM does not transmit the LAN start signal to CLC.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about C1172 Nissan Code

1. What are the common symptoms of OBDII code C1172 in a Nissan related to Local Area Network Communication 2?

The common symptoms include issues with the vehicle's electronic systems, such as dashboard warning lights coming on, problems with the transmission, and difficulties in starting the vehicle.

2. What can cause the OBDII code C1172 in a Nissan?

The code C1172 in a Nissan is typically caused by problems with the local area network communication 2, which may be due to damaged wiring, faulty connectors, or issues with the control module.

3. How can I diagnose the OBDII code C1172 in my Nissan?

Diagnosing the code C1172 involves using a diagnostic scanner to retrieve the fault codes, inspecting the wiring and connectors related to the local area network communication 2, and testing the control module for proper functionality.

4. Is it safe to continue driving my Nissan with the OBDII code C1172 present?

It is not recommended to drive your Nissan with the code C1172 present, as it can lead to further damage to the vehicle's electronic systems and potentially affect its overall performance.

5. Can I repair the OBDII code C1172 in my Nissan myself?

While some may attempt to repair the code C1172 themselves by checking and fixing wiring connections, it is often best to have a professional mechanic diagnose and repair the issue to ensure it is properly resolved.

6. How much does it typically cost to fix the OBDII code C1172 in a Nissan?

The cost of fixing the OBDII code C1172 in a Nissan can vary depending on the exact cause of the issue, but it may range from a few hundred to a few thousand dollars, including parts and labor.

7. Will resetting the OBDII system clear the C1172 code in my Nissan?

Resetting the OBDII system may temporarily clear the C1172 code, but if the underlying issue causing the code is not fixed, it is likely to return once the vehicle is driven again.

8. Can a faulty sensor trigger the OBDII code C1172 in a Nissan?

While a faulty sensor may not directly trigger the code C1172, it can sometimes contribute to communication issues within the local area network and indirectly cause the code to appear.

9. Are there any preventive maintenance measures to avoid the OBDII code C1172 in a Nissan?

Regular vehicle inspections, ensuring proper electrical connections, and promptly addressing any warning lights or unusual behaviors can help prevent issues leading to the code C1172 in a Nissan.

10. How long does it typically take to repair the OBDII code C1172 in a Nissan?

The repair time for the OBDII code C1172 in a Nissan can vary depending on the specific cause of the issue and the availability of parts, but it may take anywhere from a few hours to a day for the repair to be completed.

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