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.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSTESLA2018MODEL 3 BASEREPAIR AND DIAGNOSISELECTRICALMOTORS, SWITCHES, RELAYSELECTRICAL SYSTEM (2 OF 2) -- MODEL 3ELECTRONIC CONTROL MODULESMODULE - BODY CONTROLLER - FRONT (HEAT PUMP) - REMOVE AND REPLACEREMOVE (FOR VEHICLES WITH 16V BATTERIES)
2018 Tesla Model 3 Base
Remove (For Vehicles with 16V Batteries)
2018 Tesla Model 3 BaseSECTION Remove (For Vehicles with 16V Batteries)
- Open the LH front door and lower all the windows.
- Remove the rear underhood apron. See UNDERHOOD APRON - REAR (REMOVE AND REPLACE) .
- Remove the clips that attach the cabin intake upper duct assembly to the vehicle, and then remove the intake duct from the vehicle.NOTE: Older vehicles may be equipped with 4 clips.
- Remove the 12V/LV battery. See 12V/LV BATTERY (REMOVE AND REPLACE) .
- Release the cowl screen from the support bracket.
- Release the cowl screen using the inflatable air bag.
- Remove the bolt that attaches the ground cable to the front controller.
Tip: Use of the following tool(s) is recommended:
- 10 mm socket
- Flex head ratchet/flex head torque wrench
- Ratchet/torque wrench
- Disconnect the thermal sub-harness from the front body controller module.NOTE: Press the locking tab, and then rotate to release.
- Remove the bolts (x2) that attach the front body controller module shield assembly to the front body controller, and then remove the shield assembly from the vehicle.
Tip: Use of the following tool(s) is recommended:
- Flex head ratchet/flex head torque wrench
- 4 in extension
- 10 mm socket
- Ratchet/torque wrench
- Disconnect the front body controller harness connectors (x5), and then release the harness guide.
- Remove the bolts (x3) that attach the front body controller module to the vehicle.
Tip: Use of the following tool(s) is recommended:
- Flex head ratchet/flex head torque wrench
- 10 in extension
- 10 mm socket
- Ratchet/torque wrench
- Tilt the front body controller module forward for access to the ground cable, then remove the edge clip.
- Release the harness guide, and then remove the front body controller module from the vehicle.
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.