Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2022 Tesla Model S BaseFACTORY OEM SERVICE PROCEDURE
Software Reinstall
CAUTION:
Vehicle software version 2023.12 or newer is required in order to perform this procedure.
- Connect the LV maintainer to the vehicle, but do not disconnect the LV battery. See LV Maintainer (Connect and Disconnect)
.NOTE: It is OK for the LV maintainer and LV battery to both be connected while performing this procedure.
- Enable Service Mode. See Service Mode (Enable And Disable) .
- In the Service Mode menu, touch Software Reinstall .
- Read the prompt, and then touch REINSTALL .
- Once the reinstallation is complete, check that the release notes appear on the touchscreen, indicating a successful reinstallation.
- Disconnect the LV maintainer from the vehicle. See LV Maintainer (Connect and Disconnect) .
- Disable Service Mode. See Service Mode (Enable And Disable) .
- Install the rear underhood apron. See Underhood Apron - Rear (Remove and Replace) .
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.