Last post on Jul 05, 2013 at 4:40 AM
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Honda Pilot, SUV
#42 of 156 Found a TSB for the Booming/Humming/Droning Noise
Jul 29, 2008 (2:03 pm)
I just found this TSB referenced in the Hondapilot.org forums (excellent forum if you haven't already found it.). The bulletin predates the 08 model.
Reference Bulletin 06-092, 12/22/06
© 2006 American Honda Motor Co., Inc. – All Rights Reserved ATB 34078 (0612) 1 of 1
CUSTOMER INFORMATION: The information in this bulletin is intended for use only by skilled technicians who have the proper tools, equipment,
and training to correctly and safely maintain your vehicle. These procedures should not be attempted by “do-it-yourselfers,” and you should not assume
this bulletin applies to your vehicle, or that your vehicle has the condition described. To determine whether this information applies, contact an
authorized Honda automobile dealer.
December 22, 2006
Applies To: 2006 Pilot – All LX 2WD models
2007 Pilot – LX 2WD models from VIN 5FNYF2...7B000001 thru 5FNYF2...7B006392
Booming or Humming Noise From Speakers While Driving
A booming or humming noise is heard from the
speakers while driving with the radio on or off.
A faulty ANC (active noise control) unit.
Replace the ANC control unit.
ANC Control Unit: P/N 39200-STW-A02
WARRANTY CLAIM INFORMATION
In warranty: The normal warranty applies.
Operation Number: 0101C9
Flat Rate Time: 0.6 hour
Failed Part: P/N 39200-STW-A01
Defect Code: 03217
Symptom Code: 04201
Template ID: 06-092A
Skill Level: Repair Technician
Out of warranty: Any repair performed after warranty
expiration may be eligible for goodwill consideration by
the District Parts and Service Manager or your Zone
Office. You must request consideration, and get a
decision, before starting work.
1. Start the vehicle.
2. Turn the radio on, and make sure it operates
3. Turn the radio off.
4. Press and hold the preset buttons number 1 and
number 6, then press the VOL push PWR button.
The audio system enters its diagnostic mode and
Diagnosis (or Diag) appears on the display.
Release the preset buttons.
5. Press the number 1 preset button. ANC ON
appears on the display.
6. Press the number 1 preset button again to turn the
ANC OFF. You should hear a humming noise
coming from the speakers for about 60 seconds.
• To turn the humming off, press the number 1
preset button to turn the ANC ON, and wait for
the hum to stop. Press the number 1 preset
button again to turn the ANC OFF.
• Repeatedly pressing the number 1 preset button
cycles the audio unit ANC ON and ANC OFF, but
the ANC control unit won’t hum until the ignition
switch is turned on and off, and you put the audio
system back into Diagnosis mode.
• When the ignition switch is turned on and off
again, the audio system defaults to its ANC ON
7. With the ANC OFF (audio unit on), test-drive the
vehicle as described by the customer. If you can’t
reproduce the booming or humming noise, go to
the REPAIR PROCEDURE.
8. If you can still hear the booming or humming noise,
disregard this bulletin and do the ANC
troubleshooting in the service manual.
1. Replace the ANC control unit.
• Refer to page 22-345 of the 2006–07 Pilot
Service Manual, or
• Online, enter keyword ACTIVE and select Active
Noise Control Removal/Installation (2WD)
from the list.
2. Test-drive the vehicle to confirm the repair.
#43 of 156 Re: Found a TSB for the Booming/Humming/Droning Noise [pablo9]
Jul 29, 2008 (3:54 pm)
Hi, I have a 2008 pilot SE with about 3,000 miles with the same problem. I have the AC running constantly this time of year, and the noise happens 90% of the time that I stop at a light. If the AC is turned off or if a window is opened the noise stops. I took it in to the dealer and they said they thought it was the noise cancellation system. They did something to the stereo while we were in the car (like what is described above) and were able to make the noise much louder by turning the volume up (note that normally turning the volume up doesn't make the noise louder, but it did while they had accessed the ANC system). The noise they made louder was definitely the same "bass noise" I had been hearing. They wanted to order a new ANC unit to install. In the meantime they turned off my ANC unit, which should have stopped the noise. However, while I was driving the car with the ANC off for the next few days I still heard the noise. I let them replace the unit, but the noise is still there. I am going to take it back in and will post an update.
#44 of 156 ANC is the culprit
Aug 18, 2008 (7:52 am)
At least in our case, the ANC seems to tbe the problem as well. I did the diagnostic and sure enough, killing the ANC will do away with the noise. Will try to get it into the dealer this week so we can get them to acknowldge the same and order the part.
PHX1138: The ANC will re-activate itself when you turn the ignition back on. So, we just quickly press the 1, 6, and power buttons on the radio (when off), hit #1 for the noise to first amplify, then hit #1 twice more to activate then fully de-activate the ANC. (more complicated to write than to do)
I'm happy to have found the apparent culprit! That droning noise will make you jump off a cliff after a while.
#45 of 156 Re: ANC is the culprit [pablo9]
Aug 18, 2008 (8:14 am)
I went back to the dealler, and got some bad news. I let them keep the car overnight so the head mechanic could drive it at night, since the sounds seems worse at night. They heard the noise, and still say it is definitely the ANC. Having the ANC replaced did not fix the problem. They contacted Honda. Honda is apparently aware of the problem and working on a fix - for now, there is nothing they can do. According to the dealer this is a common problem.
#46 of 156 Re: ANC is the culprit [phx1138]
Aug 18, 2008 (8:35 am)
Wow...that's not good to hear at all. Thanks for posting though! Did they provide any kind of timeline? I'm curious as to what kind of recourse this leaves us with the problem. I'm not real keen on making payments for something that annoying.
#47 of 156 Beep while AC is on???
Aug 21, 2008 (12:22 pm)
My wife drives our '08 Pilot and she recently began complaining about a random beep/ creeking noises when the AC is on. She thought it might be a vent or something, but couldn't get it nailed down.
While driving it this weekend together I heard what she was talking about. It almost sounds like a vent creeking open or something. It is very quick and could almost be a loud beep for a second. Has anyone heard something like this? I see there have been reports of a humming noise. Very confusing.
#48 of 156 Bitten by the Rattle Monster
Sep 03, 2008 (12:10 pm)
So I've documented all too well on here about my ANC problem. I have been able to confirm with several better Honda shops and Honda techs they are seeing the issue and are changing a part of the ANC behind the radio when diagnosed. Now, mine rarely does it so I have to wait and catch it in the act for diagnosis. Nice not to have it but would like to make sure it stays that way if I can. I'd just love to assume it's past it's problem so the radio doesn't have to come out and get the trim scratched up.
New rattle developed with the panel covering the subwoofer on the passenger side of the cargo area. I kind fo half expected it. I'm very nervous of the techs tearing it up for investigation and fix but the rattle is not something to live with...even does it without the radio on now. Just one of those things...I'll take it if it's the worst thing that can happen! Rest of vehicle continues its sterling performance.
#49 of 156 radio noise
Sep 07, 2008 (8:07 am)
I have an '03 pilot with 108,000 miles. In the past year I've been experiencing a whine coming from it seems the subwoofer. This noise is most obvious when the radio volume is low. Also, it over rides all sound from either the wireless headphones or headphones plugged directly into the jacks. I thought to disconnect the subwoofer but getting the panel off is more of a chore than it seems it should be. Any thoughts before I spend an entire day taking the interior appart would be appreciated.
#50 of 156 vibration or rubbing?
Sep 07, 2008 (8:10 am)
My 03 pilot with 108,000 miles has recently started making a rubbing or vibrating noise while driving. It sounds like it's coming from the rear end and maybe from the rear right wheel. It happens when I'm driving anywhere between 30-60 mph and comes and goes. Also, when I accelorate or decelorate while the sound is present it goes away but if I maintain speed it lasts for quite a while. I've seen other posts mentioning a sound that is related to the drive shaft bearing. Would this be consistent with that or might this be something different? I'm just not sure.