Temperature Sensor G62 & Brake Pressure Sensor G201

Hello,

"Mostly during the summer, I experience two recurring errors intermittently:"

Error No. 17664 - Intermittent short circuit.
The engine is idling too high, or the RPMs are reaching up to 2000 at idle.
Irregularly, when the coolant temperature reaches around 60 degrees.
So, it's not when the engine is cold, or even when it's normally warm (85°).
Ich habe durch VAG die Temepratur kontroliert (kalter Motor, MWB für Temperatur) und alles war i.O. Dann auch später, wenn alles wärmer war. Nirather unremarkable.

Is the donor unit G62 really broken? I searched the forum but found nothing, especially regarding this sporadic error.

Error code 01435: Implausible signal from the brake pressure sensor (G201).
The error occasionally occurs, especially when I start the car and simultaneously press the brake pedal.

I also checked the sensor through the VAG diagnostic tool (STG) in the brake electronics, and everything was fine.

Does anyone know anything about that?

Thank you everyone.

'I also had to replace the coolant temperature sensor in my car. It was the same error and symptoms. It's a known issue that these sensors fail. I checked it, and at a certain point, it showed implausible resistance values.'
I need to check out that pressure brake sensor you mentioned; I remember something about it.

Thank you for the response.
Is it true that... So, the error only occurs within a certain area, but it happens regularly.

I could try using the brake pressure sensor to control the brake light switch, as I have described in several posts.