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Ask Don 'Mo Lurch' Your Own Que...
Don 'Mo Lurch'
Don 'Mo Lurch', Hyundai Mechanic
Category: Hyundai
Satisfied Customers: 20958
Experience:  Line, Electronics, Mobile Electronics over 30 years
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I had the same problem. I have put two radios in my 2009

Customer Question

I had the same problem. I have put two radios in my 2009 Sonata - same issue. Connections are good, fuses aren't blown...from a review of internet, it seems to be a common issue.
Submitted: 1 year ago.
Category: Hyundai
Expert:  Don 'Mo Lurch' replied 1 year ago.

factory or aftermarket radio?
IF aftermarket, did you use a Wiring Adapter?
Do the radios have display & / or sound?

Customer: replied 1 year ago.
Factory radio...they display and have sound and then just turn themselves off
Customer: replied 1 year ago.
When it comes back on all presets are wiped
Expert:  Don 'Mo Lurch' replied 1 year ago.

Thank you for the added info............



sorry for the delay............
Greetings...... “Hi, I’m Don (aka MOLurch) and I look forward to helping you!”
You need to test the GREEN wire at the Radio Plug when this issue happens, unless it comes right back ON
The GREEN wire is from Fuse "AUDIO" located in the Inside Fuse Panel
IF Voltage is dropping out on the GREEN wire, when the issue happens, there may be a problem with the Fuse Panel or Fuse connection
IF there is Voltage at the Radio, then the Radio has a problem, which is typical on these units

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