Updating another thread I created a week ago in case someone uses the search function during their troubleshooting.

Driving along and the car's dash lights up like the 4th of July. PSM error, Chassis System Fault, Electronic Parking Brake error, ABS error, start-stop disabled. Errors all went away when the car was shut off. Pulled codes and got a code for the front right ABS sensor. Research showed that lots of people got the PSM error along with a whole host of random 'phantom' error codes when the coils were going bad. Since my car has 60k on it, I thought the coils would be a worthwhile replacement so I ordered them. Installed the coils and it drives like a different car. Unfortunately, the errors all popped up again so the coils were not the problem - but they were a problem.

I live-logged the car multiple times while having the ABS sensors (all 4) live. I was able to catch the front right going to "0" and then back to speed twice in under a second, so that was the info I needed to purchase the sensor. Ordered it from Porsche. It's a special-order $300+ non-returnable part. Part came in yesterday. Threw the car up on the lift to install it. This is what I saw. I hadn't even gotten my gloves out yet. Does anyone see the problem?



Anyway, I repaired the obvious issue and the sensor is working flawlessly. Took it on a long drive under varying conditions and the faults have not returned. If anyone needs an ABS sensor, I've got one I'll sell you for $50 off of Porsche price.

Being stupid is expensive. Don't half-*** your troubleshooting before firing the parts cannon.

 

Ouch, glad you got it figured out - blue loctite is your friend

 

Where’s the screw holding the sensor in place?! Probably on the tarmac somewhere! Probably a $1 fix! Nice job!