OrbiterTI4
Member
Yes, that is the recall part. The wording on my service invoice for the recall work was "Replace VCM to Upgrade eMMC".
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Tesla now repairing MCU1 with a new Tegra card for less than $500
- Thread starter michaelrap
- Start date
aerodyne
2 of 3 EV's - Defect Free!
600 mile trip coming up? If I were you, I would take the adventure and do it. But I would at least do this. Look up where the MCU power down fuse is. I think its F51 on your car, in the long narrow fuse box under the hood. I'd check if akikiki is right first. Then pull it at home and test that it works. Practice so you can do it in the hot sun, some where stuck in a parking lot like a Supercharger stall. Just in case. Find a spare too. 20 amp, I believe. This is the simplest way to shutdown your MCU if it gets stuck. Cost ya nuthin' to know how and where to do it before you need it, or don't need it - if you are a little prepared. You know how it goes.
Good luck on the trip.
Thanks...I did that once for practice. So far, all I have needed is an occasional reboot.
Right. I am living in Arizona, but I will only drive my car in Hawaii to avoid the "heat"
And yes, if I don't have a garage to park my MS, I will choose to park in my neighbor's garage to avoid parking in the sun 
Akikiki
A'-Lo-HA ! y'all
Good. If you have been living with sketchy MCU for a while, I guess you already know this. But putting it out there again for others. If you are having MCU/eMMC issues, you should turn off PIN to Drive and turn off/remove Scheduled Charging (at home). These separately can impact your ability to start/drive the car or could prevent you from charging at home. At least turn them off until your MCU issues are resolved.
OrbiterTI4
Member
Had an update on 20Jul.
Got the "degraded capability, please schedule service" message on 22Jul.
Schedule the appointment on 22Jul, earliest date in app was 06Aug.
They had the part when I arrived on 06Aug.
Thanks. I didn't get any degraded warning message. It just went blank when I started the car except for the the rear view camera.
So it sounds likely that the Tegra card will be available for my service appointment next week.
Good. Right now I have a drivable car but no turn signals, no AP.
They ordered the eMMC card last Monday and the Tesla app said it had arrived.
So it took a week which is fine since my service appointment isn't until this Thursday.
So it took a week which is fine since my service appointment isn't until this Thursday.
