Theory of Operation

Diagnostic Connections

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Theory of Operation

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Model S (2012-2020)
Model S (2012-2020)
- Home
- Autopilot
  Autopilot
- Brakes
  Brakes
  - Brake System
  - Electric Park Brake
- Closures
  Closures
- Drive Units
- Electrical
  Electrical
- Exterior Fittings
  Exterior Fittings
  - Exterior Mirrors
- External Charging Components
- High Voltage System
  High Voltage System
  - Charging
    Charging
    
    Charging
    
    AC Charging Power
    
    Onboard Charger
  - High Voltage Distribution
  - High Voltage Battery
- Infotainment
- Panoramic Roof
- Safety and Restraint
- Seats
- Steering
- Suspension
  Suspension
- Thermal Management
  Thermal Management
  - Vehicles Built Before April 11, 2016
  - Vehicles Built After April 11, 2016
- Wheels and Tires
  Wheels and Tires
Model S (2021+)
Model S (2021+)
- Home
- Autopilot
  Autopilot
  - Hardware 3.2 - Vehicles built after January 2021
  - Hardware 4.0 - Vehicles built after January 2023
- Brakes
  Brakes
  - Brake System
  - Electronic Park Brake
- Closures
  Closures
- Drive Units
- Electrical
  Electrical
- Exterior Fittings
  Exterior Fittings
  - Exterior Fittings
  - Towing
- External Charging Components
- Gear Selection
- High Voltage System
  High Voltage System
  - Charging
    Charging
    
    AC Charging Power
    
    Charge Port
    Charge Port
    
    Charge Port - Vehicles built before February 2022
    
    Charge Port - Vehicles built after February 2022
    
    Power Conversion System
  - High Voltage Distribution
  - Non-Structural High Voltage Battery
    Non-Structural High Voltage Battery
    
    Non-Structural High Voltage Battery Devices
    
    Non-Structural High Voltage Battery Pack
    
    Non-Structural High Voltage Battery Software Management
- Infotainment
- Interior Trim
- Safety and Restraint
- Seats
  Seats
  - First Row
  - Second Row
- Steering
- Suspension
  Suspension
  - Adaptive Air Suspension
  - Suspension Arms and Sub-frame
- Thermal Management
- Wheels and Tires
  Wheels and Tires
  - Tire Pressure Monitor System
  - Wheels
Model 3 (2017-2023)
Model 3 (2017-2023)
- Home
- Autopilot
  Autopilot
  - Hardware 2.5 - Vehicles built after July 2017
  - Hardware 3.0 - Vehicles built after April 2019
- Brakes
- Chassis
- Closures
  Closures
- Drive Units
- Electrical
  Electrical
  - Alarm
  - Controllers and Wiring
  - Diagnostic Connections
  - Low Voltage Battery
    Low Voltage Battery
    
    Lead Acid
    
    Lithium Ion
  - Vehicle Authentication and Security
- Exterior
  Exterior
  - Exterior Fittings
  - Towing
- External Charging Components
- High Voltage System
  High Voltage System
  - Charging
    Charging
    
    AC Charging Power
    
    Charge Port
    Charge Port
    
    Charge Port
    
    Power Conversion System
  - High Voltage Distribution
  - Non-Structural High Voltage Battery
    Non-Structural High Voltage Battery
    
    Non-Structural High Voltage Battery Devices
    
    Non-Structural High Voltage Battery Pack
    
    Non-Structural High Voltage Battery Software Management
- Infotainment
  Infotainment
  - Infotainment - Atom
  - Infotainment - Ryzen
    Infotainment - Ryzen
    
    Audio
    
    Car Computer
    
    Connectivity
    
    Displays
  - eCall
- Interior Trim
- Safety and Restraint
- Seats
- Thermal Management
  Thermal Management
  - PTC Heater
  - Heat Pump
- Wheels and Tires
  Wheels and Tires
  - Tire Pressure Monitor System (Continental)
  - Tire Pressure Monitor System (Tesla BLE)
Model 3 (2024+)
Model 3 (2024+)
- Home
- Autopilot
  Autopilot
  - Hardware 4.0 - Vehicles built after Sep 2023
- Brakes
- Closures
  Closures
- Drive Units
- Electrical
  Electrical
- Exterior
  Exterior
  - Exterior Fittings
  - Towing
- External Charging Components
- Gear Selection
- High Voltage System
  High Voltage System
  - Charging
    Charging
    
    AC Charging Power
    
    Charge Port
    Charge Port
    
    Charge Port
    
    Charge Port GB
    
    Power Conversion System
  - High Voltage Distribution
  - Non-Structural High Voltage Battery
    Non-Structural High Voltage Battery
    
    Non-Structural High Voltage Battery Devices
    
    Non-Structural High Voltage Battery Pack
    
    Non-Structural High Voltage Battery Software Management
- Infotainment
  Infotainment
- Interior Trim
- Safety and Restraint
- Seats
  Seats
  - First Row
  - Second Row
- Steering
- Suspension
- Thermal Management
- Wheels and Tires
  Wheels and Tires
  - Tire Pressure Monitor System (Tesla BLE)
  - Wheels
Model X (2015-2020)
Model X (2015-2020)
- Home
- Autopilot
  Autopilot
- Brakes
- Closures
  Closures
  - Doors
    Doors
    
    Front Doors
    
    Rear Doors
  - Door Glass and Regulators
  - Front Trunk
  - Rear Trunk
- Drive Units
- Electrical
  Electrical
- Exterior
  Exterior
  - Active Spoiler
  - Towing
- External Charging Components
- High Voltage System
  High Voltage System
  - Charging
    Charging
    
    AC Charging Power
    
    Chargers
  - High Voltage Distribution
  - High Voltage Battery
- Infotainment
- Safety and Restraint
- Seats
  Seats
- Suspension
- Thermal Management
- Wheels and Tires
  Wheels and Tires
  - Tire Pressure Monitor System (Continental)
Model X (2021+)
Model X (2021+)
- Home
- Autopilot
  Autopilot
  - Hardware 3.2 - Vehicles built after January 2021
  - Hardware 4.0 - Vehicles built after January 2023
- Brakes
  Brakes
  - Brake System
  - Electronic Park Brake
- Chassis
- Closures
  Closures
  - Doors
    Doors
    
    Front Doors
    
    Rear Doors
  - Door Glass and Regulators
  - Front Trunk
  - Rear Trunk
- Drive Units
- Electrical
  Electrical
- Exterior
  Exterior
  - Body Panels
  - Towing
- External Charging Components
- Gear Selection
- High Voltage System
  High Voltage System
  - Charging
    Charging
    
    AC Charging Power
    
    Charge Port
    Charge Port
    
    Charge Port - Vehicles built before February 2022
    
    Charge Port - Vehicles built beginning February 2022
    
    Power Conversion System
  - High Voltage Distribution
  - Non-Structural High Voltage Battery
    Non-Structural High Voltage Battery
    
    Non-Structural High Voltage Battery Devices
    
    Non-Structural High Voltage Battery Pack
    
    Non-Structural High Voltage Battery Software Management
- Infotainment
  Infotainment
- Interior Trim
- Safety and Restraint
- Seats
  Seats
- Steering
- Suspension
  Suspension
  - Air Suspension
- Thermal Management
- Wheels and Tires
  Wheels and Tires
  - Tire Pressure Monitor System
  - Wheels
Model Y
Model Y
- Home
- Autopilot
  Autopilot
  - Hardware 3.1 - Vehicles built after January 2020
  - Hardware 4.0 - Vehicles built after May 2023
- Brakes
- Chassis
  Chassis
  - Chassis
  - Towing
- Closures
  Closures
- Drive Units
- Electrical
  Electrical
  - Alarm
  - Controllers and Wiring
  - Diagnostic Connections
  - Low Voltage Battery
    Low Voltage Battery
    
    Lead Acid
    
    Lithium Ion
  - Vehicle Authentication and Security
- Exterior
- External Charging Components
- High Voltage System
  High Voltage System
  - Charging
    Charging
    
    AC Charging Power
    
    Charge Port
    
    Power Conversion System
  - High Voltage Distribution
    High Voltage Distribution
    
    Non-Structural High Voltage Distribution
    
    Structural High Voltage Distribution
  - Non-Structural High Voltage Battery
    Non-Structural High Voltage Battery
    
    Non-Structural High Voltage Battery Devices
    
    Non-Structural High Voltage Battery Pack
    
    Non-Structural High Voltage Battery Software Management
  - Structural High Voltage Battery
    Structural High Voltage Battery
    
    Structural High Voltage Battery Devices
    
    Structural High Voltage Battery Pack
    
    Structural High Voltage Battery Software Management
- Infotainment
  Infotainment
  - Infotainment - Atom
  - Infotainment - Ryzen
    Infotainment - Ryzen
    
    Audio
    
    Car Computer
    
    Connectivity
    
    Displays
  - eCall
- Interior Trim
- Safety and Restraint
- Seats
  Seats
- Thermal Management
- Wheels and Tires
  Wheels and Tires
  - Tire Pressure Monitor System (Continental)
  - Tire Pressure Monitor System (Tesla BLE)
Cybertruck
Cybertruck
- Home
- Autopilot
  Autopilot
  - Hardware 4.0 - Vehicles built after May 2023
- Brakes
- Closures
  Closures
- Drive Units
- Electrical
  Electrical
- Exterior Fittings
  Exterior Fittings
  - Towing
- External Charging Components
- Gear Selection
- High Voltage System
  High Voltage System
  - Charging
    Charging
    
    Charge Port
  - High Voltage Distribution
  - Structural High Voltage Battery
    Structural High Voltage Battery
    
    Structural High Voltage Battery Devices
    
    Structural High Voltage Battery Pack
    
    Structural High Voltage Battery Software Management
  - High Voltage Power Electronics
    High Voltage Power Electronics
    
    AC Junction Box Outlets
    
    Power Conversion System 2 AC Conversion
- Infotainment
  Infotainment
- Safety and Restraint
- Seats
  Seats
  - First Row
  - Second Row
- Steering
- Suspension
  Suspension
  - Air Suspension
  - Front and Rear Suspension
- Thermal Management
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Diagnostic Connections

For information on vehicle diagnostic connections, refer to Diagnostic Cables.

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