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Alert warning: "Vehicle may not restart. Service is required" Code BMS_a035. "Electrical ...."

Golden1

Member
Aug 31, 2020
6
8
Birmingham
I now have these Alert warnings: "Vehicle may not restart. Service is required" Code BMS_a035. "Electrical system power reduced. Vehicle may shut down unexpectedly". Currently the vehicle is parked at a parking deck and I'm at work....I live 150 miles from the nearest Service Center, so it's not a quick drive. I already have a mobile service call out for next week for a hood sensor latch malfunction. I have forwarded these error messages on the service tab of my Tesla app. Tried soft reboot but messages persist. Any other suggestions? I suspect a wiring fault with the 12v battery, although I see similar error messages in Tesla forums with rear drive motor and fuses.....will hopefully be able to limp home and call roadside assistance if needed?
 

Golden1

Member
Aug 31, 2020
6
8
Birmingham
Yikes, how long have you had your car? I hope you can get it safely to a service center, or a mobile appointment.
I just had it since end September - only 2800 miles on it so far (<6 months)....I just managed to drive it home. Other errors also kept popping up (USB outlet in central console not operative etc) but the car was drivable. I have put it on the charger. Will probably do a hard reset and wait for the mobile service for next week....I have a feeling it might need a trip to the service center.
 

Impaler

'20 MY LR Black/Black, 20" induction w/FSD
Jul 5, 2020
297
133
USA
I just had it since end September - only 2800 miles on it so far (<6 months)....I just managed to drive it home. Other errors also kept popping up (USB outlet in central console not operative etc) but the car was drivable. I have put it on the charger. Will probably do a hard reset and wait for the mobile service for next week....I have a feeling it might need a trip to the service center.

Sounds like a good move.
 

Golden1

Member
Aug 31, 2020
6
8
Birmingham
Update: The car is now being serviced at the Service Center. They have ordered an "AC Compressor Harness". Hoping this will fix the issue. They provided me with a loaner Model 3, which is ok but not as nice as a Model Y.

AC Compressor Harness
Part #: 1507971-00-C
 

ronjohnathen

New Member
May 24, 2021
1
0
Tampa, FL
I got the same error message today after leaving my car at the airport for 3 days. Worked fine the day back and on the way to work got that message. The Tesla service number does not pick up and I can only schedule a mobile appointment for Wednesday :( Thinking I might just go drive up there in a bit and see if they can squeeze me in.
 

Ol'Blue

Member
Oct 12, 2018
247
138
Vancouver
I got the same error message today after leaving my car at the airport for 3 days. Worked fine the day back and on the way to work got that message. The Tesla service number does not pick up and I can only schedule a mobile appointment for Wednesday :( Thinking I might just go drive up there in a bit and see if they can squeeze me in.
Did that work? Just got the message today.
 

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