2022 Tesla Model 3 — Bulb Sizes (Headlight, Tail, Fog)

Quick reference

Notes:

• The 2022 Model 3 uses LED lighting throughout. There are no conventional halogen or HID bulbs from the factory. Headlamps are LED projectors; some late-2021/2022 vehicles may have matrix-capable LED hardware depending on market, but all are sealed units with no replaceable bulbs.
• Fog lamps are trim-dependent: Long Range and Performance typically include LED fogs; the RWD/Standard Range often omits them from the factory.

LED vs halogen upgrade considerations

• Factory configuration: Since everything is already LED, there are no plug-in “bulb” upgrades for headlights, DRL, or tail lamps. Any change involves swapping entire assemblies (headlamp, tail lamp, fog module, interior light modules).
• CANBUS/error checks: Tesla monitors exterior lamp circuits. Aftermarket assemblies should be Tesla-specific and CANBUS-ready to avoid hyperflash or lamp error messages. Generic resistor kits are not recommended due to heat and potential warranty issues.
• Headlight upgrades: Aftermarket “matrix-style” or smoked headlamp assemblies exist, but ensure DOT/SAE compliance (North America) and compatibility with the vehicle’s body control module. Coding is not typically supported for enabling matrix functions on 2022 U.S. cars.
• Interior/plate/ambient: Many vendors sell brighter plug-and-play LED modules for the map, dome, trunk, and license plate positions. Use modules designed for the Model 3 harness; no extra adapters or resistors are normally required.

How to replace each bulb

Important: You’re not working with high-voltage traction components for lighting, but always power the car down (Controls > Safety > Power Off), open a door/window for access, and avoid waking the vehicle while unplugging lamps.

• Low/high beam headlamp (entire unit): Remove front wheel-well liner fasteners and loosen the bumper cover at the corner. Remove the headlamp mounting bolts, disconnect the main headlamp connector, and lift out. Install in reverse, torque fasteners, and verify aim on a level surface.
• DRL/front turn (integrated in headlamp): Same procedure as headlamp replacement—there is no separate bulb.
• Fog light (if equipped): Turn the front wheel out and remove the corresponding fender liner screws to access the fog housing. Unplug the 2-pin connector, remove mounting screws, swap the LED fog module.
• Rear outer tail lamp (turn/brake/tail): Open trunk, pull back the side trunk trim, remove the two 10 mm nuts, unplug the harness, and slide the lamp rearward to release the locator pin. Install replacement and test.
• Rear inner tail/trunk-lid lamp (includes reverse on many cars): Remove trunk lid trim clips, unplug lamp connector, remove fasteners, and replace the inner LED lamp module.
• License plate lights: From the underside of the trunk lid garnish, pry each light module gently with a plastic tool, unplug, and swap the LED module. Snap back in place.
• Side marker/side repeater (fender camera unit): Use a plastic trim tool to release the rear edge of the repeater, slide the unit rearward, unplug the connector, and swap the LED repeater assembly. Confirm turn signal operation and camera view if equipped.
• Interior front map lights: Use a plastic pick to release the lens/module from the overhead console, unplug the 2-pin connector, and install the new LED module.
• Interior rear dome light: Pry gently at the notch, unplug the module, and replace. Verify operation with doors open.

Common lighting issues for this generation

• Condensation in tail lamps: Light, transient condensation can occur and is often considered normal. Persistent water intrusion or pooling warrants lamp replacement under warranty.
• DRL strip failures (early builds more common): Requires headlamp assembly replacement; the DRL is not a serviceable bulb.
• Aftermarket tail lamp hyperflash or warnings: Use Model 3–specific assemblies with proper load characteristics. Avoid universal resistor kits.
• Flicker on budget LED plate/interior modules: Choose quality CANBUS-friendly modules designed for Tesla to avoid PWM-related flicker.
• Fog lamp inop on cars not factory-equipped: The base RWD may lack wiring/harness support; retrofits may require additional wiring and coding—use a Tesla-savvy shop.

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