AutoCodes – Generic – U122F

U122F Code - Digital Broadcasting Connection Error

Quick Answer

The Diagnostic Trouble Code (DTC) sets when the Audio and Video (AV) Control Unit detects a communication error with Digital Audio Broadcast Module internal to AV Control Unit. 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: U122F indicates Digital Broadcasting Connection Error.
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 1,139

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 U122F Description

The Diagnostic Trouble Code (DTC) sets when the Audio and Video (AV) Control Unit detects a communication error with Digital Audio Broadcast Module internal to AV Control Unit.

OBDII Code U122F - Digital Broadcasting Connection Error - AutoCodes.com — U122F Code - Digital Broadcasting Connection Error

What does this mean?

What are the Possible Causes of the DTC U122F?

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 U122F?

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 U122F 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.

Need more information about the U122F code?

Need more information on how to fix the U122F code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the U122F code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

U122F Infiniti — Digital Broadcasting Connection Error
U122F Nissan — Digital Broadcasting Connection Error

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 U122F Code

1. What does the OBDII code U122F mean?

U122F indicates a Digital Broadcasting Connection Error, typically referring to a communication issue between the vehicle's modules and the digital signal processor or tuner.

2. What are the common symptoms of a U122F code?

Symptoms can include loss of digital radio functionality, poor sound quality, display errors on the infotainment screen, or intermittent audio interruptions.

3. What causes the U122F code to appear?

Common causes include a faulty digital tuner module, wiring or connection issues, software glitches in the infotainment system, or interference with the vehicle's communication network.

4. Can a U122F code affect vehicle performance?

No, this code typically does not impact the vehicle's driving performance. It is related to the infotainment system and digital broadcasting features.

5. How can I diagnose the U122F code?

Use a scan tool to verify the code and check for related codes. Inspect the wiring, connectors, and digital tuner module for signs of damage or loose connections.

6. Can a software update fix the U122F code?

Yes, in some cases, updating the infotainment system software or firmware can resolve communication issues causing this code.

7. Is it safe to drive with the U122F code?

Yes, it is safe to drive, as this code does not affect engine performance or safety systems. However, digital radio functionality may be compromised.

8. How much does it cost to repair a U122F code?

Repair costs can vary, ranging from $50 to $200 for simple wiring repairs to $300 or more for replacing a faulty digital tuner module.

9. Can disconnecting the battery clear the U122F code?

Disconnecting the battery may temporarily clear the code, but it wonâ€™t fix the underlying issue. Proper diagnostics and repairs are needed.

10. What should I do if the U122F code keeps returning?

If the code persists, consult a professional mechanic or dealership to perform a thorough diagnosis, as it may indicate a deeper issue with the vehicle's communication network or components.