AutoCodes – Nissan – U0405 Nissan

U0405 Nissan 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 Nissan 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 2,005

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

What does this mean?

What are the Possible Causes of the DTC U0405 Nissan?

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 Nissan?

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 Nissan 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 Nissan Code

1. What does the OBDII code U0405 mean on a Nissan?

U0405 indicates "Invalid Data Received From Driver Assistance Control Unit," meaning the vehicle's computer has detected incorrect or inconsistent data from the driver assistance system.

2. What are the common symptoms of the U0405 code in a Nissan?

Symptoms may include warning lights on the dashboard (e.g., ABS, traction control, or driver assistance system), deactivation of driver assistance features, or erratic system behavior.

3. What causes the U0405 code to appear in a Nissan?

The code is typically caused by faulty wiring, damaged driver assistance sensors, a malfunctioning control unit, software issues, or communication problems in the CAN (Controller Area Network) bus.

4. Can the U0405 code affect the drivability of my Nissan?

It generally does not affect basic drivability but can disable or impair driver assistance features like adaptive cruise control, lane-keeping assist, or automatic emergency braking.

5. How can I diagnose the U0405 code on my Nissan?

Start by scanning for related codes, inspecting wiring and connectors for damage or corrosion, checking the driver assistance sensors, and verifying proper operation of the control unit.

6. Can a software update fix the U0405 code in a Nissan?

Yes, in some cases, updating the vehicle's software or reprogramming the control module may resolve the issue if the problem is software-related.

7. Is it safe to drive with the U0405 code active on my Nissan?

While the vehicle is usually safe to drive, you should exercise caution as driver assistance features may not function, potentially increasing the risk in certain situations.

8. What tools are needed to troubleshoot the U0405 code?

You'll need an advanced OBDII scanner capable of reading manufacturer-specific codes and accessing data from the driver assistance control unit.

9. How much does it cost to repair the U0405 code on a Nissan?

Repair costs vary depending on the root cause but can range from $100 for wiring repairs to over $1,000 for replacing a control unit or sensors.

10. Can I clear the U0405 code without fixing the issue?

Clearing the code without addressing the underlying issue may temporarily turn off the warning light, but the code will likely return as the problem persists.