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yup...it's that easy....

This very issue just started up for me as well.... Only at idle, at a very narrow rpm range (600~650 rpm), I get this faint tapping / drumming finger noise which sounds like its coming from somewhere in the front center dash area between the steering wheel and center vent ...If I tap the...

The 2020 Supra was my only consideration... I owned a '17 MX-5 RF which was nimble but gutless, then a '18 C7 Corvette which was fast but not very nimble...And now a GR Supra which I call my Goldilocks sports car that's both fast and nimble... My '17 MX-5 RF - Nimble but gutless My '18 C7...

Another option to consider which doesn't require using Bimmercode... You can also remove the plug from the ASD module to disable it which doesn't require any coding at all...This only takes 15 min to remove 2 panels, unplug the ASD module, and reinstall panels...

I actually removed the ASD plug that connects to the Audio AMP today to verify if noise or low level signals were still active from ASD module after being disabled using Bimmercode...the lines were quiet... I was also pleased to see that physically removing the ASD module from system...

And while you have those 2 rear hatch panels removed to get to the Amp I would also eliminate the ASD (Active Sound Design Generator / i.e. faux engine noise) from the sound system by simply unplugging it...I got the chance to unplug the ASD module from the Amp today...No codes were thrown and...

I got the chance to unplug the ASD module today...No codes were thrown...So aside from disabling ASD with Bimmercode you can also disable ASD by simply unplugging the module...

Just found this thread and video posted by our BMW cousins and apparently simply unplugging the ASD module does disable the ASD audio overlay fed to the Amp without throwing codes...Note in the video they have the same amp and ASD modules as our Supra does...I'm going to try this later since I...

The ASD module is initially programmed and then communicates with the system via CAN bus as digicidal stated...I'm not sure if the module would throw a code if disconnected and need to test this to see... Bimmercode disables the audio generator within the ASD module from sending audio overlay...

Yes, that would be a very good first step although not very aesthetically pleasing to see...Adding a port to the narrow rear panel and some additional foam insulation solves the problem and also looks good in appearance... good luck :thumbsup:

The issue is a fundamental design flaw where a narrow rear cover panel was placed directly over the existing bass exhaust ports that causes these vibrations and reduced bass response to occur...Toyota currently does not have a proper fix for this... All you really need to do is modify the...

Here is shop manual instructions on how to get to the amp....It's fairly easy with only 2 panels to remove...

FYI...posted for anyone interested: Supra OE Audio Amp, ASD Amp, and System Diagram

Supra Audio Amp, ASD Amp, and System Diagram I recently had the panels off in the cargo area and also did some further investigation into the OE audio system wiring and component layout ...Here is what I have gathered so far which might or might not be helpful...I don't have pin designations...

I've had ASD disabled for 7 months now with no issues.... --------------------------------------------- ASD Operation:

I recently had the panels off in the cargo area and also did some further investigation into the OE audio system wiring and component layout ...Here is what I have gathered so far which might or might not be helpful...I don't have pin designations yet but our system and components are, of no...

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