Multiple tapping sounds

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steve clayton

New member
Joined
Jun 6, 2024
Messages
3
Location
Oceanside CA
Recently everytime I open the door first thing in the morning I get a series of quick tapping sounds. Sometimes up to 70 of them but mostly around 30. Then, after I have been using the car I sometimes get a few of the taps when I open the door or the trunk.

Anyone have a clue about why this is happening? Could it be because of the new battery? It didn't start right after I got it though. It's annoying but this is still the best car I've ever owned in my 77 years. I had the egolf before but the range, or lack thereof, was a bummer.
 
Push on the brake pedal. Does it go away?

Mine's been doing this since I got my new battery. Something is off with the brake booster and it flutters constantly now.
 
The brake booster problem is fixed with a software update at the dealer. Mine was, 2017 LT w new battery
 
Our 2018 had started doing this a few months after our battery replacement. We thought, oh no now what. Others we know it happened as recently as last fall. It is not related to the battery replacement. Let the dealer know this is Service Bulletin 20-NA-170. This is for models year 2017-2020. Our dealer was not familiar with this service bulletin. It is corrected by a program update to the Brake Booster Control Module. Their should not be any hardware replacement involved.
 
Our 2018 had started doing this a few months after our battery replacement. We thought, oh no now what. Others we know it happened as recently as last fall. It is not related to the battery replacement. Let the dealer know this is Service Bulletin 20-NA-170. This is for models year 2017-2020. Our dealer was not familiar with this service bulletin. It is corrected by a program update to the Brake Booster Control Module. Their should not be any hardware replacement involved.
Thanks for the info. My 2019 grinds sometimes upon opening a door. It had its battery replaced. I don't recall the noise prior to that. Anyway, was the software update free? One dealer wanted 150 to do that update so I didn't do it. I figure the grinding is harmless, just a minor annoyance. Am I wrong?
 
I can't imagine how a legitimate dealer would think you should pay for a correction related to the General Motors defective battery replacement. If you know the service bulletin number I think it would be covered by the manufacturer.
Any other responses out there?
 
Our service update would have been $150 but they were already doing a software update covered under warranty/recall so they didn't charge for it. Since this is not considered safety/recall related service they don't have to do it for free. But some dealers have unnecessarily replaced brake components when people have taken it their Bolt in for this noise problem and have been charged significant amounts which doesn't correct the issue since that only requires a software update which likely was still never done. This service update is not related to the battery replacement!
 
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