AutoCodes – Infiniti – U0405 Infiniti

U0405 Infiniti Code - Invalid Data Received From Driver Assistance Control Unit

Quick Answer

A Controller Area Network (CAN) is a vehicle bus standard designed to interconnect automotive devices without a host computer. Common causes include Faulty Driver Assistance Control Unit, Driver Assistance Control Unit harness is open or shorted, Driver Assistance Control Unit 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: U0405 Infiniti indicates Invalid Data Received From Driver Assistance Control Unit.
Common causes: Common causes include Faulty Driver Assistance Control Unit, Driver Assistance Control Unit harness is open or shorted, Driver Assistance Control Unit 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 631

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 08, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code U0405 Infiniti Description

A Controller Area Network (CAN) is a vehicle bus standard designed to interconnect automotive devices without a host computer. Operating information and commands are exchanged among the devices. The devices have programmed information about what messages are needed to be exchanged on the serial data circuits. Some devices are constantly receiving information from other devices through serial data communication network. The invalid data Diagnostic Trouble Code (DTC) will be set when a receiving device detects a discrepancy in the information it receives from the Driver Assistance Control Unit causing its integrity to be questioned.

OBDII Code U0405 Infiniti - Invalid Data Received From Driver Assistance Control Unit - AutoCodes.com — U0405 Infiniti Code - Invalid Data Received From Driver Assistance Control Unit

What does this mean?

What are the Possible Causes of the DTC U0405 Infiniti?

Faulty Driver Assistance Control Unit
Driver Assistance Control Unit harness is open or shorted
Driver Assistance Control Unit circuit poor electrical connection

How to Fix the DTC U0405 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 U0405 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.

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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 U0405 Infiniti Code

1. What are the common symptoms of OBDII code U0405 in an Infiniti?

The common symptoms of OBDII code U0405 in an Infiniti may include issues with the driver assistance systems, such as malfunctioning parking sensors or adaptive cruise control.

2. What does the OBDII code U0405 in an Infiniti mean?

OBDII code U0405 in an Infiniti indicates that the vehicle's onboard diagnostic system has detected invalid data received from the driver assistance control unit.

3. What are the possible causes of OBDII code U0405 in an Infiniti?

Possible causes of OBDII code U0405 in an Infiniti include a faulty driver assistance control unit, wiring issues, software glitches, or communication network problems.

4. How is OBDII code U0405 in an Infiniti diagnosed?

Diagnosing OBDII code U0405 in an Infiniti typically involves using a diagnostic scanner to retrieve the code, checking for related codes, inspecting the driver assistance control unit and its connections, and testing the communication network.

5. Can OBDII code U0405 in an Infiniti be fixed at home?

Depending on the cause of the code, some DIY enthusiasts may be able to fix OBDII code U0405 in an Infiniti at home by checking connections, resetting the system, or updating software. However, complex issues may require professional assistance.

6. How serious is OBDII code U0405 in an Infiniti?

While OBDII code U0405 in an Infiniti may not always cause immediate drivability issues, it can affect the proper functioning of driver assistance systems, compromising safety and convenience features.

7. How much does it cost to repair OBDII code U0405 in an Infiniti?

The cost to repair OBDII code U0405 in an Infiniti can vary depending on the root cause of the issue. Simple fixes like reseating connectors may be inexpensive, while replacing a faulty control unit or addressing wiring problems can be more costly.

8. Can driving with OBDII code U0405 in an Infiniti cause further damage?

Continuing to drive with OBDII code U0405 in an Infiniti may not necessarily cause immediate damage to the vehicle, but it is advisable to address the issue promptly to prevent any potential safety risks or system malfunctions.

9. How long does it take to repair OBDII code U0405 in an Infiniti?

The repair time for OBDII code U0405 in an Infiniti can vary depending on the underlying cause and the complexity of the fix. Simple solutions may take a short time, while more involved repairs could require additional diagnostics and labor.

10. Is it safe to ignore OBDII code U0405 in an Infiniti?

Ignoring OBDII code U0405 in an Infiniti is not recommended, as it can lead to malfunctions in driver assistance systems, impacting vehicle safety and performance. It is best to address the issue promptly to ensure the proper functioning of your vehicle.