It's great that you did the upgrade and installed a guardian
Although I heard it's only a connector setting off a light when too much metal shavings gets collected, and isn't enough to rely on.. but then again, this is coming from the shop that gave me a quote for the IMS replacement job...
First, I'll do a small service, and I'll insist on being the in person when they drop the oilpan and I'll see for myself how it looks like and if there is anything to worry about.