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Audio System Problem

5000 Views 19 Replies 11 Participants Last post by  RowdyReverb
I have a 2016 Pilot Touring that is giving me a perplexing problem. After having the audio system turned on for a few minutes (regardless of whether the car engine is on or off), I start hearing static noise - faintly at first, then it builds louder and louder until it overcomes whatever I was listening to. It happens whether I am listing to radio, iPod, Bluetooth, or phone. Doesn't matter whether I am listening to music, podcast, or audiobook. The static is in front and rear, left and right. It gets so loud that finally there is no way to hear anything else.
Now here's the weirdest part: The only thing NOT affected is the navigation system "voice" - so if I'm going somewhere using the navigation GPS system, the voice that comes on to tell me to turn or go straight is not affected by the static - I can hear "her" voice perfectly fine coming through the "center channel" speaker.
I have tried turning off the A/C, but doesn't affect the static problem.
But why is the Nav system the only thing not having the problem? I am wondering if the Nav system has a different amplifier.
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I have a 2016 Pilot Touring that is giving me a perplexing problem. After having the audio system turned on for a few minutes (regardless of whether the car engine is on or off), I start hearing static noise - faintly at first, then it builds louder and louder until it overcomes whatever I was listening to. It happens whether I am listing to radio, iPod, Bluetooth, or phone. Doesn't matter whether I am listening to music, podcast, or audiobook. The static is in front and rear, left and right. It gets so loud that finally there is no way to hear anything else.
Now here's the weirdest part: The only thing NOT affected is the navigation system "voice" - so if I'm going somewhere using the navigation GPS system, the voice that comes on to tell me to turn or go straight is not affected by the static - I can hear "her" voice perfectly fine coming through the "center channel" speaker.
I have tried turning off the A/C, but doesn't affect the static problem.
But why is the Nav system the only thing not having the problem? I am wondering if the Nav system has a different amplifier.

I know this is an old thread, but I have the exact same issue in my 2016 Pilot Elite. It is the same as what you described here, static that grows in volume until all other audio is drowned out. I called the dealership and they said I’d have to drop it off there, but before I do that I just wanted to know if your issue was ever resolved and if so, how?
The only potential solution I found was turning off “Neural” audio, but that is already turned off
I know this is an old thread, but I have the exact same issue in my 2016 Pilot Elite. It is the same as what you described here, static that grows in volume until all other audio is drowned out. I called the dealership and they said I’d have to drop it off there, but before I do that I just wanted to know if your issue was ever resolved and if so, how?
The only potential solution I found was turning off “Neural” audio, but that is already turned off
I know this is an old thread, but I have the exact same issue in my 2016 Pilot Elite. It is the same as what you described here, static that grows in volume until all other audio is drowned out. I called the dealership and they said I’d have to drop it off there, but before I do that I just wanted to know if your issue was ever resolved and if so, how?
The only potential solution I found was turning off “Neural” audio, but that is already turned off
Hi, I’m dealing with the same issue. Can I ask if you were able to resolve this?
Thanks!
Hi, I’m dealing with the same issue. Can I ask if you were able to resolve this?
Thanks!
We still haven’t taken it into the dealership because we’re concerned it will be an expensive repair and we haven’t had the time. If anything it’s gotten worse. I wish I could give you more info, good luck!
I thought there was a TSB or recall on the wiring harness for the head units?
I thought there was a TSB or recall on the wiring harness for the head units?
I called the dealership about this, bear in mind this was over a year ago. The tech mentioned the TSB, but my model year (2016) wasn’t included. Reading the other threads about sound issues makes it seem like that is a slightly different problem. This seems like a software issue to me since it’s as if white noise “accumulates” the longer the stereo is on. Also, the same issue affects the headphones in the back seat which seems weird if it’s a wiring issue. I need to just take it in
Hi, I’m dealing with the same issue. Can I ask if you were able to resolve this?
Thanks!
I have an update. I brought it into dealership, they took my $99 diagnostic fee and spent a whole day troubleshooting it and came up empty handed. He rebooted the system and had no luck. Confirmed different from the 17/18 pilot issue. Tech and foreman were completely stumped.
My next step is to bring back it in for a $300 full diagnostic. I’m anticipating they won’t narrow down the issue and end up replacing the whole head unit, which he said could run $1500-1700 parts and labor
I have an update. I brought it into dealership, they took my $99 diagnostic fee and spent a whole day troubleshooting it and came up empty handed. He rebooted the system and had no luck. Confirmed different from the 17/18 pilot issue. Tech and foreman were completely stumped.
My next step is to bring back it in for a $300 full diagnostic. I’m anticipating they won’t narrow down the issue and end up replacing the whole head unit, which he said could run $1500-1700 parts and labor
I have the same issue static after a few minutes of driving. It doesn't matter if xm,fm, streaming etc. the dvd works fine. I have 2016 elite. Please keep us updated with any information.
I have the same issue static after a few minutes of driving. It doesn't matter if xm,fm, streaming etc. the dvd works fine. I have 2016 elite. Please keep us updated with any information.
Will do. Interesting that there’s at least a few of this model year with the exact same issue.
Haven’t had time to bring it back in to the dealership yet. Might have to wait until after holiday expenses to fit the repair in the budget:oops:
I have a 2016 Honda Pilot Elite and same problems as described above. I took it to the dealer and they ran diagnostics and said there is nothing wrong. Took it back and showed them the exact problem. They also said the fan wasn’t working and needed a new head unit for 4K. I went online and found a new head unit for 800 dollars and installed it myself. After 20 minutes the same problem persisted. At this point the only thing I can think of is wiring problem or fuse problem. Honda at this point has absolutely no idea what’s wrong with it.
I have a 2016 Honda Pilot Elite and same problems as described above. I took it to the dealer and they ran diagnostics and said there is nothing wrong. Took it back and showed them the exact problem. They also said the fan wasn’t working and needed a new head unit for 4K. I went online and found a new head unit for 800 dollars and installed it myself. After 20 minutes the same problem persisted. At this point the only thing I can think of is wiring problem or fuse problem. Honda at this point has absolutely no idea what’s wrong with it.
I am glad you posted because I had been considering doing the same thing. I wonder if it has something to do with the external amplifier I saw mentioned in another thread:
The external amp isn't really just a multichannel amp, it has a DSP and does lots of massaging of the audio. It's not a high power subwoofer amp, and the factory sub isn't designed to take big power. If you want big thump, put in a powered enclosed sub somewhere ( self-powered or powered by another amp ).

But I think much of the issue with "lack of bass" is all the low-frequency noise from the engine. Compare with the engine off.
It might explain why the Elite/Touring trim seems to be the one affected since my understanding is that the lower trims don’t have that external amp? Maybe somebody else more knowledgeable could clarify

In the meantime, we’ve been using AirPods and a portable Bluetooth speaker lol
I am glad you posted because I had been considering doing the same thing. I wonder if it has something to do with the external amplifier I saw mentioned in another thread:

It might explain why the Elite/Touring trimseems to be the one affected since my understanding is that the lower trims don’t have that external amp? Maybe
I have a 2016 Pilot Touring that is giving me a perplexing problem. After having the audio system turned on for a few minutes (regardless of whether the car engine is on or off), I start hearing static noise - faintly at first, then it builds louder and louder until it overcomes whatever I was listening to. It happens whether I am listing to radio, iPod, Bluetooth, or phone. Doesn't matter whether I am listening to music, podcast, or audiobook. The static is in front and rear, left and right. It gets so loud that finally there is no way to hear anything else.
Now here's the weirdest part: The only thing NOT affected is the navigation system "voice" - so if I'm going somewhere using the navigation GPS system, the voice that comes on to tell me to turn or go straight is not affected by the static - I can hear "her" voice perfectly fine coming through the "center channel" speaker.
I have tried turning off the A/C, but doesn't affect the static problem.
But why is the Nav system the only thing not having the problem? I am wondering if the Nav system has a different amplifier.
We had this exact issue in our 2016. Turns out the fan in the HU was faulty and caused the HU to over heat. We had it replaced under warranty. The tech discovered that when air was blown through the back of the HU it stopped which lead him to look into the fan. We’ve had the replacement for almost a year and the issue has not returned.
We had this exact issue in our 2016. Turns out the fan in the HU was faulty and caused the HU to over heat. We had it replaced under warranty. The tech discovered that when air was blown through the back of the HU it stopped which lead him to look into the fan. We’ve had the replacement for almost a year and the issue has not returned.
You are my hero!! Thank you so much for sharing. We will look into this
We had this exact issue in our 2016. Turns out the fan in the HU was faulty and caused the HU to over heat. We had it replaced under warranty. The tech discovered that when air was blown through the back of the HU it stopped which lead him to look into the fan. We’ve had the replacement for almost a year and the issue has not returned.
Im glad that it worked for you. I got a new HU and the same exact problem occurred. I worked through that the only thing it could be is the amp which is only on touring and elite models. I just ordered a new one. I’ll let everyone know how it goes after install.
Im glad that it worked for you. I got a new HU and the same exact problem occurred. I worked through that the only thing it could be is the amp which is only on touring and elite models. I just ordered a new one. I’ll let everyone know how it goes after install.
Hi, I was just wondering if replacing the amp fixed the issue for you after all?
Someone resolved this issue ? Plis tell me how plis 🙏
See my post here:

We have a 2017 Touring and our audio problem is similar with some differences .... our audio may go for 30 minutes (or hours) of silence and then turn on and play with no issues. That is until the vehicle is switched off and then just silence again until such time as it is inclined to start playing again. No rhyme, reason or anything we can see that would indicate there is any reason it is performing so poorly. If anyone gets this puzzle figured out, I would really like to hear the fix. Thanks....Byron W
My suggestion for this one is to completely turn off the external amp by removing fuse in the fuse box and drive it for a while.

Defective fan at the back of HU may not be the cause if noise comes just after 5 - 10mins as it is not much heat and beside most likely the HU doesn't have built in amplifier. Most likely fan is to cool down the display.
Im glad that it worked for you. I got a new HU and the same exact problem occurred. I worked through that the only thing it could be is the amp which is only on touring and elite models. I just ordered a new one. I’ll let everyone know how it goes after install.
Any improvement with the new amp?
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