Pioneer Head Unit Stuck on Mute

[Texduc 10+ year member]

I just completed the install of a Pioneer DEH-P5100UP. Everything seems to be working fine except that it's stuck on Mute. I can't adjust any audio functions at all. Any help would be greatly appreciated.

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[Texduc 10+ year member]

In case anyone runs into the same problem down the road, the mute wire was grounding out when I inserted the receiver. Taped it off and it's good to go.

 

[blgaudio 10+ year member]

It sounds like you have the mute, or cell phone mute wire grounded. Check and make sure you dont, its a yellow and black wire.

 

[PaulD 10+ year member]

I was gonna suggest just drop kicking it