AutoCodes – Infiniti – U110F Infiniti

U110F Infiniti Code - Lost Communication With Engine Control Module

Quick Answer

The Diagnostic Trouble Code (DTC) sets when the ignition switch is ON, Transmission Control Module (TCM) is unable to receive the CAN communications signal from Engine Control Module (ECM) continuously for 2 seconds or more. Common causes include Faulty Engine Control Module (ECM), Engine Control Module harness is open or shorted, Engine Control Module circuit poor electrical connection. 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: U110F Infiniti indicates Lost Communication With Engine Control Module.
Common causes: Common causes include Faulty Engine Control Module (ECM), Engine Control Module harness is open or shorted, Engine Control Module circuit poor electrical connection.
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.

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Code Popularity 579

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Apr 22, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code U110F Infiniti Description

OBDII Code U110F Infiniti - Lost Communication With Engine Control Module - AutoCodes.com — U110F Infiniti Code - Lost Communication With Engine Control Module

What does this mean?

What are the Possible Causes of the DTC U110F Infiniti?

Faulty Engine Control Module (ECM)
Engine Control Module harness is open or shorted
Engine Control Module circuit poor electrical connection

How to Fix the DTC U110F Infiniti?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the U110F Infiniti code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the U110F Infiniti code?

Need more information on how to fix the U110F Infiniti code? Get Access to Factory Service Manuals

Need Help with the Code?

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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 U110F Infiniti Code

1. What does the OBDII code U110F in an Infiniti mean?

The code U110F indicates a communication problem between the vehicle's onboard diagnostics system and the Engine Control Module (ECM).

2. What are common symptoms of the U110F code in an Infiniti?

Common symptoms include stalling, rough idling, poor engine performance, and the illumination of the check engine light on the dashboard.

3. What are the possible causes of the U110F code in an Infiniti?

Potential causes include faulty wiring connections, a defective ECM, a loose or damaged connector, or issues with the CAN communication network.

4. How can I diagnose the U110F code in my Infiniti?

It is recommended to use a diagnostic scanner to retrieve the trouble codes and perform a thorough inspection of the wiring connections and connectors related to the ECM.

5. Can I drive my Infiniti with the U110F code present?

It is not advisable to continue driving your vehicle with the U110F code illuminated, as it may lead to further damage or unsafe driving conditions.

6. How can I repair the U110F code in my Infiniti?

Repair solutions may include repairing or replacing damaged wiring, securing loose connectors, resetting the ECM, or replacing the ECM if necessary.

7. Is it possible to reset the U110F code in an Infiniti without professional help?

While you can attempt to clear the code using a diagnostic scanner, it is recommended to address the underlying issue causing the code to prevent it from reoccurring.

8. What should I do if the U110F code keeps coming back in my Infiniti?

If the code persists after attempting repairs, it is advisable to seek assistance from a qualified mechanic or dealership for a comprehensive diagnosis and repair.

9. Are there any preventive measures to avoid the U110F code in an Infiniti?

Regular maintenance, such as checking and cleaning connectors, ensuring proper wiring connections, and addressing any ECM-related issues promptly, can help prevent the U110F code from appearing.

10. How much does it typically cost to fix the U110F code in an Infiniti?

The cost of repairing the U110F code can vary depending on the specific cause of the issue, the extent of the repairs needed, and whether you choose to address it yourself or seek professional help.