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U1117 Nissan Code - Lost Communication With ABS

Quick Answer

The U1117 diagnostic trouble code for Nissan vehicles indicates that there is a communication error between the vehicle's Engine Control Module (ECM) and the Anti-Lock Braking System (ABS) module. Common causes include Faulty wiring or connectors between the ECM and ABS module, Corrosion or damage to the communication lines, ECM or ABS module failure. 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
U1117 Nissan indicates Lost Communication With ABS.
Common causes
Common causes include Faulty wiring or connectors between the ECM and ABS module, Corrosion or damage to the communication lines, ECM or ABS module failure.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 05, 2024
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Code U1117 Nissan Description

The U1117 diagnostic trouble code for Nissan vehicles indicates that there is a communication error between the vehicle's Engine Control Module (ECM) and the Anti-Lock Braking System (ABS) module. This means that the ECM is unable to receive or transmit data to the ABS module, which can lead to a loss of crucial information needed for proper vehicle operation. This issue can affect the overall performance and safety of the vehicle, as the ABS system plays a critical role in ensuring optimal braking performance under various driving conditions.

OBDII Code U1117 Nissan - Lost Communication With ABS
U1117 Nissan Code - Lost Communication With ABS

Common Causes of U1117 Nissan

  1. Faulty wiring or connectors between the ECM and ABS module
  2. Corrosion or damage to the communication lines
  3. ECM or ABS module failure
  4. Software issues or programming errors
  5. Electrical interference or voltage fluctuations

Symptoms of U1117 Nissan

  1. ABS warning light illuminated on the dashboard
  2. Loss of ABS functionality, such as anti-lock braking and traction control
  3. Erratic or inconsistent braking behavior
  4. Vehicle stability control system malfunction
  5. Poor handling and increased stopping distances

How to Fix U1117 Nissan

  1. Perform a thorough inspection of the wiring harness and connectors for any damage or corrosion.
  2. Check the communication lines between the ECM and ABS module for continuity and proper voltage levels.
  3. Test the ECM and ABS module for functionality and communication errors using a diagnostic scan tool.
  4. Repair or replace any damaged wiring, connectors, or components as needed.
  5. Clear the fault codes and perform a test drive to ensure that the issue has been resolved.

Cost to Fix U1117 Nissan

The cost of repairing a U1117 code on a Nissan vehicle can vary depending on the specific cause of the communication error and the labor rates in your area. In general, you can expect to pay anywhere from $100 to $500 for parts and labor to address this issue. Keep in mind that diagnostic time and labor rates can vary, so it's recommended to get quotes from multiple auto repair shops to find the best price.

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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 U1117 Nissan Code

1. What are common symptoms of OBDII code U1117 "Lost Communication With ABS" in a Nissan?

- Common symptoms include the ABS warning light illuminating on the dashboard, loss of ABS functionality, and potential traction control issues.

2. What are possible causes of OBDII code U1117 in a Nissan?

- Possible causes include a damaged ABS module, faulty wiring or connections in the ABS system, a malfunctioning CAN bus communication network, or a problem with the vehicle's ECU.

3. How can I diagnose the reason behind OBDII code U1117 in my Nissan?

- Diagnosing the issue typically involves using a professional OBDII scanner to retrieve the specific trouble codes, inspecting the ABS system components, checking for loose or damaged wiring, and testing the communication between modules.

4. Is it safe to drive my Nissan with OBDII code U1117 present?

- It is generally not recommended to drive the vehicle with this code present, as it can affect the ABS system's operation and compromise safety mechanisms like anti-lock brakes and traction control.

5. How can I reset OBDII code U1117 in my Nissan?

- Resetting the code typically involves using an OBDII scanner to clear the trouble codes after addressing the root cause of the communication issue between the ABS module and other systems.

6. Can a DIY enthusiast repair OBDII code U1117 in a Nissan?

- While some basic troubleshooting steps can be performed by DIY enthusiasts, diagnosing and repairing complex ABS communication issues may require professional expertise and specialized tools.

7. Are there any common repair tips for resolving OBDII code U1117 in a Nissan?

- Common repair tips include checking and repairing any damaged wiring, ensuring proper connections in the ABS system, and verifying the functionality of the ABS module and related components.

8. Will fixing OBDII code U1117 in my Nissan be expensive?

- The cost of repair can vary depending on the specific cause of the communication issue. Simple fixes like repairing wiring may be relatively inexpensive, while replacing the ABS module or ECU can be more costly.

9. How long does it typically take to fix OBDII code U1117 in a Nissan?

- The repair time can vary based on the complexity of the issue. Simple fixes may take a few hours, while more involved repairs could require a day or more, especially if parts need to be ordered.

10. Can OBDII code U1117 in a Nissan lead to other problems if left unresolved?

- Leaving this code unresolved can potentially lead to ongoing ABS system malfunctions, compromised safety features, and may trigger additional trouble codes related to the communication failure. It is advisable to address the issue promptly.

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