2018 Tesla 3 Service and Repair Manual

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Covers all 2018 3 trims — Base Sedan 4-Door, Performance Sedan 4-Door, Long Range Sedan 4-Door ·
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2018 Tesla 3 service and repair manual — a detailed, factory-style reference for maintenance, diagnostics, and repair. Use it to confirm correct procedures, specifications, and system coverage before you start work.

Built for technicians and DIY owners, this manual helps you troubleshoot accurately, follow step-by-step repair procedures, and use wiring diagrams and system sections to diagnose problems faster.

What’s included

  • Step-by-step repair procedures and service information
  • Specifications and reference data (where provided)
  • Electrical coverage with wiring diagrams
  • Coverage across key systems: engine, transmission, brakes, steering, suspension, HVAC, and more

Trims covered

  • Base Sedan 4-Door
  • Performance Sedan 4-Door
  • Long Range Sedan 4-Door

Engines covered

  • BATTERY EV (EV/BEV)

Index / Table of contents

  • Body
  • Brakes
  • Chassis Electrical
  • Driveline
  • Engine Cooling
  • Engine Electrical
  • Engine Mechanical
  • Engine Performance & Emission Controls
  • Fuel System
  • General Information & Identification
  • Heating, Ventilation, & Air Conditioning
  • Hybrid & Electric Vehicle Systems
  • Steering
  • Suspension
  • Transmission, Clutch, & Transfer Case
  • Wiring Diagrams
NHTSA #22V03700027/01/2022Component: ELECTRICAL SYSTEM:ADAS:AUTONOMOUS/SELF DRIVING:SOFTWARE

Tesla, Inc. (Tesla) is recalling certain 2016-2022 Model S and Model X, 2017-2022 Model 3, and 2020-2022 Model Y vehicles. The "rolling stop" functionality available as part of the Full Self-Driving (Beta) software may allow the vehicle to travel through an all-way stop intersection without first coming to a stop.

Consequence

Failing to stop at a stop sign can increase the risk of a crash.

Remedy

Tesla will perform an over-the-air (OTA) software update that disables the "rolling stop" functionality, free of charge. Owner notification letters were mailed March 28, 2022. Owners may contact Tesla customer service at 1-877-798-3752. Tesla's number for this recall is SB-22-00-001.

NHTSA #22V04500001/02/2022Component: ELECTRICAL SYSTEM:SOFTWARE

Tesla, Inc. (Tesla) is recalling certain 2021-2022 Model S and Model X, 2017-2022 Model 3, and 2020-2022 Model Y vehicles. The audible chime may not activate when the vehicle starts and the driver has not buckled their seat belt. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 208, "Occupant Crash Protection."

Consequence

The driver may be unaware that their seat belt is not fastened, increasing the risk of injury during a crash.

Remedy

Tesla will perform an over-the-air (OTA) software update, free of charge. Owner notification letters were mailed April 1, 2022. Owners may contact Tesla customer service at 1-877-798-3752. Tesla's number for this recall is SB-22-00-002.

NHTSA #21V38900025/05/2021Component: SEAT BELTS

Tesla, Inc. (Tesla) is recalling certain 2018-2020 Model 3 and 2019-2021 Model Y vehicles. One or both fasteners that secure the front seat shoulder belt to the b-pillar may not be properly attached.

Consequence

An improperly attached fastener may prevent the seat belt system from performing as designed, increasing the risk of injury.

Remedy

Tesla Service will inspect and repair both fasteners if necessary, free of charge. Owner notification letters were mailed July 23, 2021. Owners may contact Tesla customer service online by visiting www.tesla.com/support/contact or by calling 1-877-79-TESLA (or 1-877-798-3752). Tesla's number for this recall is SB-21-20-001.

NHTSA #21V00D00021/12/2021Component: ELECTRICAL SYSTEM:WIRING: REAR COMPARTMENT/TRUNK

Tesla, Inc. (Tesla) is recalling all 2017-2020 Model 3 vehicles. The rearview camera cable harness may be damaged by the opening and closing of the trunk lid, preventing the rearview camera image from displaying.

Consequence

A rearview camera that does not function reduces the driver's rear view, increasing the risk of a crash.

Remedy

Tesla Service will inspect and install a guide protector and new cable harness as necessary, free of charge. Owner notification letters were mailed April 24, 2022. Owners may contact Tesla customer service at 1-877-798-3752. Tesla's number for this recall is SB-21-17-008.

NHTSA #21V84600029/10/2021Component: FORWARD COLLISION AVOIDANCE: SENSING SYSTEM: CAMERA

Tesla, Inc. (Tesla) is recalling certain 2017-2021 Model S, Model 3, Model X, and 2020-2021 Model Y vehicles operating software version 2021.36.5.2. A communication error may cause false forward-collision warning (FCW) or unexpected activation of the automatic emergency brake (AEB) system.

Consequence

Unexpected activation of the AEB system may cause the car to stop suddenly, increasing the risk of a crash.

Remedy

Tesla Service has released an over-the-air (OTA) software update, free of charge. The recall began October 25, 2021. Owners may contact Tesla customer service at 1-877-798-3752. Tesla's number for this recall is SB-21-00-004.

NHTSA #22V06300004/02/2022Component: ELECTRICAL SYSTEM:SOFTWARE

Tesla, Inc. (Tesla) is recalling certain 2020-2022 Model S, Model X, Model Y, and 2017-2022 Model 3 vehicles. The Boombox function allows sounds to be played through an external speaker while the vehicle is in motion, which may obscure the Pedestrian Warning System (PWS) sounds. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 141, "Minimum Sound Requirements for Hybrid and Electric Vehicles."

Consequence

Pedestrians may be unaware of an approaching vehicle if the PWS sounds are obscured, increasing the risk of a crash.

Remedy

Tesla will perform an over-the-air (OTA) software update that will disable the Boombox functionality when the vehicle is in Drive, Neutral and Reverse modes, free of charge. Owner notification letters are expected to be mailed April 5, 2022. Owners may contact Tesla customer service at 1-877-798-3752. Tesla's number for this recall is SB-22-00-003. Note: This recall has been superseded by Recall 22V-235. Tesla's number for the new recall is SB-22-00-003.

NHTSA #22V16900018/03/2022Component: BACK OVER PREVENTION:DISPLAY FUNCTION

Tesla, Inc. (Tesla) is recalling certain 2018-2019 Model S, Model X, and 2017-2020 Model 3 vehicles equipped with Autopilot Computer 2.5 and operating certain firmware releases. The rearview image may not immediately display when the vehicle begins to reverse. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 111, "Rear Visibility."

Consequence

A delayed rearview camera image reduces the driver's rear view, increasing the risk of a crash.

Remedy

Tesla will perform an over-the-air (OTA) software update, free of charge. Owner notification letters were mailed May 17, 2022. Owners may contact Tesla customer service at 1-877-798-3752. Tesla's number for this recall is SB-22-00-004.

NHTSA #22V23500012/04/2022Component: ELECTRICAL SYSTEM:SOFTWARE

Tesla, Inc. (Tesla) is recalling certain 2020-2022 Model Y, Model X, Model S, and 2017-2022 Model 3 vehicles. The Boombox function allows sounds to be played through an external speaker while the vehicle is in motion, which may obscure the Pedestrian Warning System (PWS) sounds. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 141, "Minimum Sound Requirements for Hybrid and Electric Vehicles."

Consequence

Pedestrians may be unaware of an approaching vehicle if the PWS sounds are obscured, increasing the risk of a crash.

Remedy

Tesla will perform an over-the-air (OTA) software update that will disable the Boombox functionality when the vehicle is in Drive, Neutral and Reverse modes, including Summon and Smart Summon, free of charge. Owner notification letters were mailed June 6, 2022. Owners may contact Tesla customer service at 1-877-798-3752. Tesla's number for this recall is SB-22-00-003. Note: This recall supersedes recall 22V-063. Vehicles configured with Summon or Smart Summon and already remedied under 22V-063 will need to have the new remedy software installed.

NHTSA #22V26300018/04/2022Component: ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL

Tesla, Inc. (Tesla) is recalling certain 2018-2022 Model 3 Performance vehicles. The unit of speed (mph or km/h) may fail to display on the speedometer while in Track Mode. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 101, "Control and Displays."

Consequence

The driver may not know how fast the vehicle is traveling without the mph or km/h unit display, increasing the risk of a crash.

Remedy

Tesla will perform an over-the-air (OTA) software update, free of charge. Owner notification letters were mailed June 17, 2022. Owners may contact Tesla customer service at 1-877-798-3752. Tesla's number for this recall is SB-22-00-008.

NHTSA #22V70200019/09/2022Component: VISIBILITY:POWER WINDOW DEVICES AND CONTROLS

Tesla, Inc. (Tesla) is recalling certain 2017-2022 Model 3, 2020-2022 Model Y, and 2021-2022 Model S and Model X vehicles. The window automatic reversal system may not react correctly after detecting an obstruction. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 118, "Power-Operated Window Systems."

Consequence

A closing window may exert excessive force by pinching a driver or passenger before retracting, increasing the risk of injury.

Remedy

Tesla will perform an over-the-air (OTA) software update of the automatic window reversal system, free of charge. Owner notification letters were mailed March 31, 2032. Owners may contact Tesla customer service at 1-877-798-3752. Tesla's number for this recall is SB-22-00-013.

NHTSA #22V79800021/10/2022Component: SEAT BELTS:REAR/OTHER:ANCHORAGE

Tesla, Inc. (Tesla) is recalling certain 2017-2022 Model 3 vehicles. The second-row left seat belt buckle and second-row center seat belt anchor may have been incorrectly reassembled during vehicle service.

Consequence

An incorrectly reassembled seat belt anchor can impair the performance of the seat belt during a crash, increasing the risk of injury.

Remedy

Tesla Service will inspect and reassemble the seat belt anchors as necessary, free of charge. Owner notification letters were mailed December 20, 2022. Owners may contact Tesla customer service at 1-877-798-3752. Tesla's number for this recall is SB-22-20-004.

NHTSA #23V08500015/02/2023Component: STEERING:AUTOMATED/ADAPTIVE STEERING

Tesla, Inc. (Tesla) is recalling certain 2016-2023 Model S, Model X, 2017-2023 Model 3, and 2020-2023 Model Y vehicles equipped with Full Self-Driving Beta (FSD Beta) software or pending installation.  The FSD Beta system may allow the vehicle to act unsafe around intersections, such as traveling straight through an intersection while in a turn-only lane, entering a stop sign-controlled intersection without coming to a complete stop, or proceeding into an intersection during a steady yellow traffic signal without due caution. In addition, the system may respond insufficiently to changes in posted speed limits or not adequately account for the driver's adjustment of the vehicle's speed to exceed posted speed limits.

Consequence

FSD Beta software that allows a vehicle to exceed speed limits or travel through intersections in an unlawful or unpredictable manner increases the risk of a crash.

Remedy

Tesla will release an over-the-air (OTA) software update, free of charge.  Owner notification letters were mailed April 15, 2023.  Owners may contact Tesla customer service at 1-877-798-3752.  Tesla's number for this recall is SB-23-00-001.

NHTSA #23V23500031/03/2023Component: SUSPENSION:FRONT

Tesla, Inc. (Tesla) is recalling certain 2018-2019 Model 3 vehicles. The front suspension lateral link fasteners may loosen, allowing the lateral link to separate from the sub-frame.

Consequence

A lateral link separation could shift the wheel alignment, causing instability and increasing the risk of a crash.

Remedy

Tesla Service will tighten or replace the lateral link fasteners as necessary, free of charge. Owner notification letters were mailed May 30, 2023. Owners may contact Tesla customer service at 1-877-798-3752. Tesla's number for this recall is SB-23-31-001. This recall is an expansion of previous recall number 21V-835.

NHTSA #23V83800012/12/2023Component: ELECTRICAL SYSTEM:ADAS:AUTONOMOUS/SELF DRIVING:SOFTWARE

Tesla, Inc. (Tesla) is recalling 2012-2023 Model S, 2016-2023 Model X, 2017-2023 Model 3, and 2020-2023 Model Y vehicles equipped with all versions of Autosteer leading up to the version(s) that contains the recall remedy. In certain circumstances when Autosteer is engaged, the prominence and scope of the feature's controls may not be sufficient to prevent driver misuse of the SAE Level 2 advanced driver-assistance feature.

Consequence

In certain circumstances when Autosteer is engaged, and the driver does not maintain responsibility for vehicle operation and is unprepared to intervene as necessary or fails to recognize when Autosteer is canceled or not engaged, there may be an increased risk of a crash.

Remedy

Tesla will release an over-the-air (OTA) software update, free of charge. Owner notification letters were mailed February 10, 2024. Owners may contact Tesla customer service at 1-877-798-3752. Tesla's number for this recall is SB-23-00-008.

NHTSA #24V05100030/01/2024Component: ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL

Tesla, Inc. (Tesla) is recalling certain 2012-2023 Model S, 2016-2024 Model X, 2017-2023 Model 3, 2019-2024 Model Y, and 2024 Cybertruck vehicles. An incorrect font size is displayed on the instrument panel for the Brake, Park, and Antilock Brake System (ABS) warning lights. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 105, "Hydraulic and Electric Brake Systems" and 135, "Light Vehicle Brake Systems."

Consequence

Warning lights with a smaller font size can make critical safety information on the instrument panel difficult to read, increasing the risk of a crash.

Remedy

Tesla began releasing an over-the-air (OTA) software update, free of charge. Owners may contact Tesla customer service at 1-877-798-3752. Tesla's number for this recall is SB-24-00-003.

NHTSA #24V15300027/02/2024Component: FORWARD COLLISION AVOIDANCE: WARNINGS:EXTERNAL/PEDESTRIAN ALERT

Tesla, Inc. (Tesla) is recalling certain 2013, 2018-2021 Model S, 2020-2021 Model X, 2018-2022 Model 3, and 2020-2022 Model Y vehicles. A factory reset muted the Pedestrian Warning System (PWS) sounds. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 141, "Minimum Sound Requirements for Hybrid and Electric Vehicles."

Consequence

Pedestrians may be unaware of an approaching vehicle if the PWS sounds are muted, increasing the risk of a crash.

Remedy

Tesla released an over-the-air (OTA) software update, release 2023.44.30.14, free of charge. Owner notification letters were mailed April 27, 2024. Owners may contact Tesla customer service at 1-877-798-3752. Tesla's number for this recall is SB-24-00-006.

NHTSA #24V37600028/05/2024Component: SEAT BELTS:FRONT:WARNING LIGHT/DEVICES

Tesla, Inc. (Tesla) is recalling certain 2012-2024 Model S, 2015-2024 Model X, 2017-2023 Model 3, and 2020-2023 Model Y vehicles. In the event of an unbelted driver, the seat belt warning light and audible chime may not activate as intended. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 208, "Occupant Crash Protection."

Consequence

A seat belt warning system that fails to alert occupants of an unbelted seat belt can increase the risk of injury during a crash.

Remedy

Tesla will release an over-the-air (OTA) software update. Owner notification letters were mailed July 26, 2024. Owners may contact Tesla customer service at 1-877-798-3752. Tesla's number for this recall is SB-24-00-008.

NHTSA #24V93500017/12/2024Component: TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS

Tesla, Inc. (Tesla) is recalling certain 2024 Cybertruck, 2017-2025 Model 3, and 2020-2025 Model Y vehicles. The tire pressure monitoring system (TPMS) warning light may not remain illuminated between drive cycles, failing to warn the driver of low tire pressure. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 138, "Tire Pressure Monitoring Systems."

Consequence

Driving with improperly inflated tires increases the risk of a crash.

Remedy

Tesla released an over-the-air (OTA) software update, free of charge. Owner notification letters were mailed February 15, 2025. Owners may contact Tesla customer service at 1-877-798-3752. Tesla's number for this recall is SB-24-00-018.

TSB #11033173

On certain Model 3 vehicles, brake lines may be corroded beyond acceptable limits, which may result in loss of brake fluid. Loss of brake fluid will result in a customer facing alert if the fluid reaches the predetermined level to trigger a

TSB #11029583

On certain Model 3 vehicles, brake lines may be corroded beyond acceptable limits, which may result in loss of brake fluid. Loss of brake fluid will result in a customer facing alert if the fluid reaches the predetermined level to trigger a

TSB #11020192

A firmware diagnosis feature is being introduced on Model 3 and Model Y vehicles that monitors wheel alignment over time. This feature detects changes in wheel alignment that may be related to incorrect tire pressures, degraded ball joints,

TSB #11008831

Tesla does not provide physical owner's manual copies. Instead, all available owners manual content is integrated into the vehicle software, and only the content relevant for a given vehicle, based on vehicle configuration and software vers

TSB #11008830

Tesla does not provide physical owner's manual copies. Instead, all available owners manual content is integrated into the vehicle software, and only the content relevant for a given vehicle, based on vehicle configuration and software vers

TSB #11008829

Tesla does not provide physical owner's manual copies. Instead, all available owners manual content is integrated into the vehicle software, and only the content relevant for a given vehicle, based on vehicle configuration and software vers

TSB #11008827

Tesla does not provide physical owner's manual copies. Instead, all available owners manual content is integrated into the vehicle software, and only the content relevant for a given vehicle, based on vehicle configuration and software vers

TSB #11008824

Tesla does not provide physical owner's manual copies. Instead, all available owners manual content is integrated into the vehicle software, and only the content relevant for a given vehicle, based on vehicle configuration and software vers

Showing the 8 most recent of 94 technical service bulletins on file with NHTSA.

06/12/20Component: FORWARD COLLISION AVOIDANCE,LANE DEPARTURECrash reported2 injured

Driving in Full Self Driving mode, the vehicle made a left turn into oncoming traffic.

04/25/20Component: AIR BAGSCrash reported2 injured

Side airbags did not deploy in a major side impact.

10/04/20Component: FORWARD COLLISION AVOIDANCECrash reported2 injured

On Sept. 9th, around 9:05pm, my wife was on the driver's seat, FSD was engaged. so the Tesla model 3 car was driving itself on highway 395 close to susanville. Then suddenly a car coming, we had a head-on collision, the other car's front left hit our front left. The other driver passed away, my wife and I got serious injuries, we are recovering from 3 surgeries. 1.FSD did not give alert or warning, 2.FSD did not break the car, 3.FSD did not slowing down the car 4.FSD did not change direction of the car. 5.FSD just kept the speed and direction. “Disabling FSD” needs time, my wife did not

09/07/20Component: VEHICLE SPEED CONTROLCrash reported2 injured

Car was stop at left turn lane waiting for light to change to green arrow. Car just accelerated on its own . Car crashes into to car in front of me and pushes us onto center island and continues to accelerate sending us on to crossing traffic, endangering others and my family life . Tesla never investigated or tried to respond. Insurance company couldn’t or never did any investigation and made me at fault for the accident. Tesla certified body shop told me they can’t pre scan Tesla and print out reports like any other vehicle. Cars driver front camera was coming on and off prior to acceleratio

09/23/20Component: LANE DEPARTURECrash reported2 injured

The contact owns a 2018 Tesla Model 3. The contact stated while driving at 45 to 50MPH in auto-pilot, the vehicle inadvertently veered into the left turn lane but continued straight into oncoming traffic. The contact stated that the vehicle collided head-on with the other vehicle. The contact was unaware of any warning lights or audio warnings. The contact stated that the front driver side and the knee air bags deployed. The contact stated that he sustained chest injures and a scrape on the right wrist and left knee. The contact declined transportation by ambulance so no medical attention was

12/29/20Component: UNKNOWN OR OTHER2 injured

Me and my wife cut the finger on vehicle door handle. The thin chrome covering the handles has peeled off cousin hazard. Can you fix your website, I’m unable to upload photos.

01/30/20Component: STRUCTURE2 injured

Rear left exterior door handle. Peeling chrome plating on the under side of handle creates a sharp ragged edge that cuts fingers. The ragged edge also prevents the handle from retracting completely into the door, which may affect secure closure of the door. Reported to Tesla, who declined to cover the repair and sent me an estimate of $270 for parts and labor to replace the door handle.

03/28/20Component: UNKNOWN OR OTHER2 injured

WHILE OPERATING IN AC COOLING MODE, WITHOUT FOREWARNING, WOULD SWITCH TO HEATING OPERATION. DURING THIS UNUSUAL BEHAVIOR, THE DISPLAY DOES NOT INDICATE ANY CHANGE IN THE HVAC SYSTEM BEHAVIOR. THIS DEFECT CREATES A DANGEROUS SITUATION WHEN THE REAR PASSENGERS ARE CHILDREN IN CAR SEATS. THEY ARE EXPOSED TO HIGH HEAT FOR THE DURATION OF THE DRIVE WHILE THE DRIVER IS UNAWARE OF THE FAST DEVELOPING DANGEROUS SITUATION IN THE REAR THAT MAY LEAD TO HEATSTROKE OR WORST. HTTPS://WWW.YOUTUBE.COM/WATCH?V=4GVDXQCPAPI

Showing the 8 most serious of 973 complaints filed with NHTSA.

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