[MatoC9]

I had my RCD330 Plus for 1.5 years and the volume knob started acting weird.
Everytime I want to change the volume, it sometimes ignores me rotating the knob, sometimes it makes volume go lower/higher by 2 steps, sometimes it goes up and down or down and up at one time.
Is there anything I can do with this?

[evonb]

I experience the same issue. I almost always am using CarPlay, so I don't know if my "fix" works for Radio/Bluetooth/etc. If I try and adjust the volume and the knob doesn't respond, pausing whatever is playing (usually Spotify through CarPlay) and playing again will "re-enable" the volume control.

A similar issue occurs with the right-hand knob, which I usually will navigate to the fast-forward touch button with so that I can easily change songs without looking. If that knob doesn't respond, usually I just have to touch the screen to perform whatever action I was trying to use the knob for and it will work again.

[VWR]

Did you try flashing an other firmware?
What is your radio HW/SW information?

[thinrichmond]

I have this issue too, steering wheel volume controls or volume knob on the unit won't work after 10 mins of usage. Like above the only way to correct it, is to press something on the screen (pause,skip track etc) and it usually catches up.

Did anyone manage to find a fix for this?

My units details are:
Device part number: 6RDO35187B
Hardware: 036
Software: c250
Apple CarPlay: CPL24.V1.4.3@C1

[thinrichmond]

Could a firmware update fix this? I guess I could try before I throw it out and get a new one.

[boomerang86]

If you have access to a VAG-COM device, go to the radio module and clear all DTCs there. I had some that came in during testing, clearing those solved many issues. I had a volume knob that would be silent or fixed sound, no varaince. Cleared DTCs, repaired.