Alarm going off - 3 of last 4 days

[PatM]

The alarm was going off at unexpected times.
It started in the winter when I was charging the battery.
The fronk was open.
A mouse had built a nest in the hood latching hole.
You might check for a mouse nest.
I now use electronic pest control.
I have not had any further issues.

Pat 2000S speed yellow 60k

[jpc763]

So it has happened 3 times today!

Here is a screen grab of my alarm codes from June 2.



And here is a grab from just now.



The only code that has increased is code 33. Ideas as to what sensor that is?

Thanks. John