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Discussion Starter · #1 ·
Forgive me if this has been answered elsewhere- although I did a search and did not find much.

Question: I recently purchased a used 2013 ST3 with 46k on the odo. It has been serviced at the dealer where it was purchased since new and I have all the maintenance records. No mention of firmware/software updates.

I'm curious if there is a way to tell if the PCM has been updated to the most current version myself?

The car is going in to the dealer on Thursday for a warranty wheel bearing replacement- should I just ask them to update the PCM while they are at it?

I'm not experiencing any drivability issues- so do I even want to mess with it at all??

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