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HOMESERVICE MANUALSTESLA2018MODEL 3 BASEREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTINFOTAINMENTELECTRICAL SYSTEM (2 OF 2) -- MODEL 3EXTERIOR LIGHTSECU - HEADLIGHT - REMOVE AND REPLACEREMOVE
2018 Tesla Model 3 Base

ECU - Headlight - Remove and Replace: Remove

2018 Tesla Model 3 BaseSECTION Remove
  1. Raise and support the vehicle. See RAISE VEHICLE - 2 POST LIFT .
  2. Remove the rear underhood apron. See UNDERHOOD APRON - REAR (REMOVE AND REPLACE) .
  3. Remove the cabin intake duct. See DUCT - CABIN INTAKE (REMOVE AND REPLACE) .
  4. Remove the hood latch cover. See COVER - HOOD LATCH (REMOVE AND REPLACE) .
  5. Remove the underhood storage unit. See UNDERHOOD STORAGE UNIT (REMOVE AND REPLACE) .
  6. Remove the LH front wheel and the RH front wheel. See WHEEL (REMOVE AND INSTALL) .
  7. Remove the front fascia. See FASCIA - FRONT (REMOVE AND INSTALL) .
  8. Remove the LH headlight assembly. See HEADLIGHT - LH (REMOVE AND REPLACE) .
  9. Remove the screws that attach the headlight ECU to the LH headlight assembly.
    G14744203Courtesy of TESLA, INC.
  10. Release the electrical connector that connects the headlight ECU to the LH headlight assembly, and then remove the headlight ECU from the LH headlight assembly. Remove the seal from the headlight assembly, if necessary.
    G14744204Courtesy of TESLA, INC.
    NOTE: Release the locking tab, and then pry the electrical connector with a flat head screwdriver.
    G14744205Courtesy of TESLA, INC.
    G14744206Courtesy of TESLA, INC.
RENDER: 1.0x

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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.