AutoCodes – Nissan – U1218 Nissan

U1218 Nissan Code - Hard Disk Drive Connection

Quick Answer

Integrates Hard Disk Drive (HDD) allowing map data and music data to be stored. Common causes include Faulty Audio and Video (AV) Control Unit, Audio and Video Control Unit harness is open or shorted, Audio and Video 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: U1218 Nissan indicates Hard Disk Drive Connection.
Common causes: Common causes include Faulty Audio and Video (AV) Control Unit, Audio and Video Control Unit harness is open or shorted, Audio and Video 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 806

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 May 04, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code U1218 Nissan Description

Integrates Hard Disk Drive (HDD) allowing map data and music data to be stored. It is the master unit of the MULTI AV system, and it is connected to each control unit by means of communication. It operates each system according to communication signals from the AV control unit. The AV control unit includes the audio, hands-free phone, voice control, navigation, and vehicle information functions. It is connected to ECM and combination meter via CAN communication to obtain necessary information for the vehicle information function.
The Diagnostic Trouble Code (DTC) sets when the Audio and Video (AV) Control Unit detects an internal malfunction of Audio and Video (AV) Control Unit (HDD connection malfunction).

OBDII Code U1218 Nissan - Hard Disk Drive Connection - AutoCodes.com — U1218 Nissan Code - Hard Disk Drive Connection

What does this mean?

What are the Possible Causes of the DTC U1218 Nissan?

Faulty Audio and Video (AV) Control Unit
Audio and Video Control Unit harness is open or shorted
Audio and Video Control Unit circuit poor electrical connection

How to Fix the DTC U1218 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 U1218 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 U1218 Nissan Code

What does the OBDII code U1218 mean in a Nissan vehicle?

The OBDII code U1218 indicates a problem with the hard disk drive connection, often related to communication issues between the vehicleâ€™s control modules.

What are the common symptoms associated with the U1218 code?

Common symptoms may include warning lights on the dashboard, malfunctioning infotainment systems, or loss of certain vehicle features that rely on data from the hard disk drive.

What could cause the U1218 code to trigger?

The U1218 code can be triggered by faulty wiring, a malfunctioning hard disk drive, issues with the vehicle's control modules, or software glitches.

How can I diagnose the U1218 code?

To diagnose the U1218 code, use an OBDII scanner to retrieve the code, inspect the wiring and connections related to the hard disk drive, and check for any software updates or recalls.

What are some potential repair solutions for U1218?

Repair solutions for U1218 may include repairing or replacing damaged wiring, replacing the hard disk drive, updating software, or resetting the control modules.

Can I drive my Nissan with the U1218 code?

While you can technically drive your vehicle with the U1218 code, it may lead to issues with certain functions, so itâ€™s advisable to have it checked and repaired as soon as possible.

How much does it typically cost to fix the U1218 code?

Repair costs for the U1218 code can vary widely depending on the specific issue, but it may range from $100 to $1,000 or more, depending on whether it requires wiring repairs or a hard disk drive replacement.

Is the U1218 code specific to Nissan vehicles?

Yes, the U1218 code is specific to Nissan and indicates a hard disk drive connection issue in their vehicles, though similar codes may exist for other manufacturers with different meanings.

Is it possible to reset the U1218 code without fixing the issue?

Yes, you can reset the U1218 code using an OBDII scanner; however, if the underlying issue isnâ€™t resolved, the code is likely to reappear.