AutoCodes – Nissan – U0104 Nissan

U0104 Nissan Code - Lost Communication With Advanced Driver Assistance Systems Control Module

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 Advanced Driver Assistance Systems (ADAS) Control Module, Advanced Driver Assistance Systems Control Module harness is open or shorted, Advanced Driver Assistance Systems 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: U0104 Nissan indicates Lost Communication With Advanced Driver Assistance Systems Control Module.
Common causes: Common causes include Faulty Advanced Driver Assistance Systems (ADAS) Control Module, Advanced Driver Assistance Systems Control Module harness is open or shorted, Advanced Driver Assistance Systems 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 1,241

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 06, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code U0104 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. CAN bus uses two dedicated wires for communication. The wires are called CAN high and CAN low. When the CAN bus is in idle mode, both lines carry 2.5V. When data bits are being transmitted, the CAN high line goes to 3.75V, and the CAN low drops to 1.25V, thereby generating a 2.5V differential between the lines. Since communication relies on a voltage differential between the two bus lines, the CAN bus is NOT sensitive to inductive spikes, electrical fields, or other noise. The Diagnostic Trouble Code (DTC) sets when a periodic message from the Advanced Driver Assistance Systems (ADAS) Control Module has not been received.

OBDII Code U0104 Nissan - Lost Communication With Advanced Driver Assistance Systems Control Module - AutoCodes.com — U0104 Nissan Code - Lost Communication With Advanced Driver Assistance Systems Control Module

What does this mean?

What are the Possible Causes of the DTC U0104 Nissan?

Faulty Advanced Driver Assistance Systems (ADAS) Control Module
Advanced Driver Assistance Systems Control Module harness is open or shorted
Advanced Driver Assistance Systems Control Module circuit poor electrical connection

How to Fix the DTC U0104 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 U0104 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 U0104 Nissan Code

1. What does the OBDII code U0104 for a Nissan mean?

The code U0104 indicates a communication problem between the vehicle's ECM (Engine Control Module) and the Advanced Driver Assistance Systems Control Module.

2. What are common symptoms of the U0104 code in a Nissan?

Common symptoms of the U0104 code may include loss of communication with advanced driver assistance systems, such as lane departure warning, adaptive cruise control, or automatic emergency braking.

3. What are possible causes of the U0104 code in a Nissan?

Possible causes of the U0104 code in a Nissan include faulty wiring or connectors, a defective Advanced Driver Assistance Systems Control Module, or issues with the ECM.

4. How can I diagnose the U0104 code in my Nissan?

Diagnosing the U0104 code involves using a scan tool to check for other related trouble codes, inspecting the wiring and connectors for any damage, and verifying the functionality of the Advanced Driver Assistance Systems Control Module.

5. Can I still drive my Nissan with the U0104 code?

It is not recommended to drive your Nissan if you have the U0104 code stored, as it may affect the proper functioning of important safety features provided by the advanced driver assistance systems.

6. How can I repair the U0104 code in my Nissan?

Repairing the U0104 code in a Nissan involves addressing the root cause of the communication issue, which may require repairing or replacing faulty wiring, connectors, or modules.

7. Can I reset the U0104 code in my Nissan without fixing the issue?

Resetting the U0104 code without fixing the underlying communication problem will likely cause the code to reappear once the vehicle's systems perform a self-check.

8. Is the U0104 code a serious issue in a Nissan?

Yes, the U0104 code is a serious issue in a Nissan as it can affect the functionality of advanced driver assistance systems that are designed to enhance the safety of the vehicle.

9. How much does it cost to repair the U0104 code in a Nissan?

The cost of repairing the U0104 code in a Nissan can vary depending on the cause of the communication problem and the specific components that need to be repaired or replaced.

10. Can I prevent the U0104 code from occurring in my Nissan?

To help prevent the U0104 code from occurring in your Nissan, it's important to regularly inspect and maintain the wiring and connectors related to the advanced driver assistance systems and address any issues promptly.