AutoCodes – Infiniti – U1051 Infiniti

U1051 Infiniti Code - Local Interconnect Network Communication

Quick Answer

The Diagnostic Trouble Code (DTC) sets when the Engine Control Module (ECM) detects a Local Interconnect Network (LIN) communication error. Common causes include Faulty Generator, Generator harness is open or shorted, Generator 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: U1051 Infiniti indicates Local Interconnect Network Communication.
Common causes: Common causes include Faulty Generator, Generator harness is open or shorted, Generator 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 821

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 U1051 Infiniti Description

The Diagnostic Trouble Code (DTC) sets when the Engine Control Module (ECM) detects a Local Interconnect Network (LIN) communication error.

OBDII Code U1051 Infiniti - Local Interconnect Network Communication - AutoCodes.com — U1051 Infiniti Code - Local Interconnect Network Communication

What does this mean?

What are the Possible Causes of the DTC U1051 Infiniti?

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

How to Fix the DTC U1051 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 U1051 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 U1051 Infiniti 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 U1051 Infiniti Code

1. What are the common symptoms of OBDII code U1051 in Infiniti vehicles?

The common symptoms of OBDII code U1051 in Infiniti vehicles include intermittent or complete loss of communication with various control modules, dashboard warning lights, and issues with vehicle performance.

2. What are the possible causes of OBDII code U1051 in an Infiniti?

The possible causes of OBDII code U1051 in an Infiniti include damaged wiring or connectors in the Local Interconnect Network (LIN) communication system, faulty control modules, or issues with the LIN bus itself.

3. How can I diagnose OBDII code U1051 in my Infiniti?

Diagnosing OBDII code U1051 in an Infiniti involves using a scan tool to communicate with the affected modules, checking the LIN bus voltage and signal integrity, and inspecting the wiring and connectors for any visible damage or corrosion.

4. Can OBDII code U1051 in an Infiniti be fixed by resetting the fault code?

Resetting the fault code may temporarily clear the warning lights associated with OBDII code U1051, but it will not address the underlying issue causing the communication error on the LIN bus.

5. Are there any repair tips for resolving OBDII code U1051 in an Infiniti?

Repair tips for resolving OBDII code U1051 in an Infiniti include inspecting and repairing any damaged wiring or connectors, checking for loose connections, and ensuring proper grounding of the control modules on the LIN bus.

6. Is it safe to continue driving my Infiniti with OBDII code U1051 present?

It is not recommended to drive your Infiniti with OBDII code U1051 present, as the communication errors on the LIN bus could potentially affect the performance and safety systems of the vehicle.

7. How much does it typically cost to repair OBDII code U1051 in an Infiniti?

The cost to repair OBDII code U1051 in an Infiniti can vary depending on the root cause of the issue, but it may involve wiring repairs, module replacements, or diagnostic labor fees from a professional technician.

8. Can a DIY enthusiast fix OBDII code U1051 in an Infiniti at home?

While some basic diagnostics and visual inspections can be done at home, resolving OBDII code U1051 in an Infiniti often requires specialized tools and expertise, making it challenging for a DIY enthusiast to fix the issue without professional help.

9. Will OBDII code U1051 cause my Infiniti to fail an emissions test?

OBDII code U1051 may cause your Infiniti to fail an emissions test, as it indicates a communication error within the vehicle's control modules that could affect the proper functioning of emission-related systems.

10. How long does it usually take to repair OBDII code U1051 in an Infiniti?

The repair time for OBDII code U1051 in an Infiniti can vary depending on the complexity of the issue and the availability of parts. It may take a professional technician a few hours to a day to diagnose and resolve the problem.