AutoCodes – Nissan – U1220 Nissan

U1220 Nissan Code - XM Serial Communication

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: U1220 Nissan indicates XM Serial Communication.
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 1,177

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 U1220 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 the Audio and Video (AV) Control Unit (satellite radio tuner communication malfunction).

OBDII Code U1220 Nissan - XM Serial Communication - AutoCodes.com — U1220 Nissan Code - XM Serial Communication

What does this mean?

What are the Possible Causes of the DTC U1220 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 U1220 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 U1220 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 U1220 Nissan Code

1. What are the common symptoms of OBDII code U1220 Nissan XM Serial Communication?

The common symptoms include issues with the satellite radio system, loss of XM radio signal, and problems with the audio system.

2. What are the possible causes of OBDII code U1220 Nissan XM Serial Communication?

Possible causes include a faulty XM radio module, damaged wiring or connectors related to the XM system, or a communication error between modules.

3. How can I diagnose the OBDII code U1220 Nissan XM Serial Communication?

Diagnosis involves checking the XM module for power and ground, inspecting the wiring for any damage, and using a diagnostic scanner to communicate with the XM module.

4. Can a loose antenna connection cause OBDII code U1220 Nissan XM Serial Communication?

Yes, a loose or damaged antenna connection can cause communication issues and trigger the U1220 code related to XM serial communication.

5. How can I repair OBDII code U1220 Nissan XM Serial Communication?

Repair options include repairing or replacing damaged wiring, ensuring a secure connection to the XM module, and resetting the code with a diagnostic scanner after fixing the issue.

6. Is it safe to continue driving with OBDII code U1220 Nissan XM Serial Communication?

While the code itself may not affect the drivability of the vehicle, it is recommended to address the issue promptly to ensure proper functioning of the XM radio system and related components.

7. Can a software update fix OBDII code U1220 Nissan XM Serial Communication?

In some cases, a software update provided by the manufacturer can resolve communication issues and clear the U1220 code related to XM serial communication.

8. How do I reset OBDII code U1220 Nissan XM Serial Communication?

You can reset the code using a diagnostic scanner that has the capability to clear trouble codes. Once the issue is resolved, clearing the code will turn off the warning light.

9. Will disconnecting the battery reset OBDII code U1220 Nissan XM Serial Communication?

Disconnecting the battery may clear the code temporarily, but it is not a recommended method as it may also reset other settings in the vehicle.

10. Can water damage cause OBDII code U1220 Nissan XM Serial Communication?

Yes, water damage to the XM module or related wiring can disrupt communication and trigger the U1220 code. Inspect for water damage if communication issues are suspected.