Re: Stereo keeps changing volume randomly autonomously?

On 2021-05-29 06:14:42 +0000, VanguardLH said:

> Yousuf Khan <[email protected]> wrote:
> 
>> So the stereo system in my 2008 Tribeca has started to get a mind of
>> its own. For some reason, the volume goes up or down on its own,
>> without you touching the controls. You can see the volume level
>> changing on its digital display, it'll hunt around from 0 to 30 or
>> anywhere in between, except where you last left it. When this
>> happens, you can still manually adjust the volume with either the
>> volume knob on the console or on the remote volume control on the
>> steering wheel, but it won't stay there for long. Problem started a
>> couple of days ago, and it seems to start happening maybe after 5
>> minutes after starting the car. What could possibly be causing this
>> problem?
>> 
>> On a possibly related note, the car's battery has had some corrosion on
>> it, possibly some cells have gone bad. Could this have anything to do
>> with it? Just throwing that out there as a random observation, I'm not
>> saying that this is the cause, just asking.
> 
> The faceplate is removable.
> 
> https://www.youtube.com/watch?v=MRyHv5dI9QE
> 
> You could remove it, remove each cable plug one at a time, and reset
> each connector to see if the problem is a loose plug.  Also bend the
> cable at the connector when plugged in to check if a wire might have a
> poor or intermittent connection.  Don't remove the whole unit.  Just
> remove the faceplate and wipe its connector blades by cycling its
> contacts (unplugging and plugging in several times).
> 
> Another suggestion was to unplug the steering column connector that
> connects the steering wheel radio buttons, including volume, and then
> just test the radio's own volume controls.  Could be a flaky button on
> the steering wheel.  Maybe the steering wheel button is broken, so it
> bounces on its contacts while driving.
<snip>

I awlays forget about the silly steering wheel buttons because my car 
is too old to have any.  :-)