Good to know. Thanks W&T.
I just checked history again. The first time the P050A code was thrown was before I did the voltage tweak. So I have now removed the Throttle Response tweak as well. We'll see.
Could be a coincidence. Sometimes it takes a number of cycles or miles to set again. OBD11 sucks at pinpointing problems. Take it to a dealer or break down and buy VCDS.
Sorry to resurrect this old thread but adding my two cents in case anyone is searching in the future.
Got this fault on my 2020 car that had 497 miles and was 4 days old from delivery.
VW service--after talking to VW tech case line--reset the learned engine settings and throttle body settings and tested again to confirm CEL did not occur with multiple starts on a cold morning. not sure that actually addressed the root cause, but at least I've got plenty of warranty left.
Bump.Bringing up an old thread.
After changing the turbo and getting tuned for the G25, I am now getting this code with poor idle and performance at cold start.
We have checked all the lines to the turbo and intake manifold. All look good. Even hade the tuner to look over logs and everything and he said everything looks good and the issue must be mechanical.
The shop and tuner seem to think the vacuum tap off the RPC manifold is too small and may be causing the issue. They recommend getting another intake manifold but I really don’t want to spend $1900 on a new one with a bigger port.
Can someone point me to the right direction?