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.
2012 Tesla Model SFACTORY OEM SERVICE PROCEDURE
High Voltage Battery System -- Model S
- HV Battery Assembly
- BMS PCBA - High Voltage Battery Assembly (HV Battery 1.0/1.5) - Remove And Replace
- BMS PCBA - High Voltage Battery Assembly (HV Battery 2.0) Remove & Replace
- BMS Standoff - High Voltage Battery Assembly - Repair
- HV Battery (RWD/AWD) - Remove And Install
- HV Battery (RWD/AWD) - Remove And Replace
- HV Battery Blanket - Remove And Replace
- HV Battery Coolant - Drain And Refill
- Ski - Side Rail - HV Battery - LH - Remove And Replace
- HV Battery Enclosure
- Baffle - Front - HV Battery - Rework
- Cover - Pyrotechnic Fuse - HV Battery 1.0/1.5 (Inspect)
- Cover - Pyrotechnic Fuse - HV Battery 2.0 (Inspect)
- Cover - Pyrotechnic Fuse - HV Battery 1.0/1.5 - Remove And Replace
- Cover - Pyrotechnic Fuse - HV Battery 2.0 - Remove And Replace
- Enclosure Pressure Test - HV Battery
- Mud Flaps - HV Battery - Retrofit
- Umbrella Valves - HV Battery - Remove And Replace
- HV Battery Electrical Components
- Fuse - Pyrotechnic - HV Battery 1.0/1.5 - Remove And Install
- Fuse - Pyrotechnic - HV Battery 1.0/1.5 - Remove And Replace
- Fuse - Pyrotechnic - HV Battery 2.0 - Remove And Install
- Fuse - Pyrotechnic - HV Battery 2.0 - Remove And Replace
- Rapid Mate - Low Voltage - (HV Battery 2.0) - Remove And Replace
- Resistance Meter - Zero Adjust
Factory Service Tools
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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.