Correction code 18401902 1.20 NOTE: Unless otherwise explicitly stated in the procedure, the above correction code and FRT reflect all of the work required to perform this procedure, including the linked procedures. Do not stack correction codes unless explicitly told to do so. NOTE: See Flat Rate Times to learn more about FRTs and how they are created. To provide feedback on FRT values, email ServiceManualFeedback@tesla.com. NOTE: See Personal Protection to make sure proper PPE is worn when performing the below procedure.

1. On the touchscreen, check the Firmware version
   Note

   Firmware package installed must be 2021.36 or above for vehicle configuration update and Toolbox routines
2. Raise and support vehicle
   Note

   Prepare to raise vehicle, Set air suspension to "Jack Mode", Position lift arm pads on vehicle jack pads
3. Open LH front door
4. Lower LH front window
5. Place vehicle in service mode with touchscreen
   Note

   Select vehicle's badge icon in Controls > Software for four seconds and then type "service" into dialog box
6. Release IP service panel
   Note

   2x tabs, 4x datums, Release top tabs and slide rearward

   

   

   

7. Using laptop connect to vehicle with ethernet diag kit and Toolbox 3
8. Select "Dashboards" tab, and select "Infotainment Dashboard"
9. Select "Vehicle Configuration"
   Note

   Configuration values should load automatically, if not select "Read Config" and "Run" to load
10. Scroll down to "coolantPumpType" and change to "Two coolant pumps installed, mixed pole pair batches"
    Note

    Click on current pump configuration, Select new pump configuration from drop down menu
11. Select "Apply Changes" and select "Run" to save updated configuration
    Note

    Center display will reboot, Toolbox connection will be lost, Select ‘X’ at top right of window to close once complete
12. Perform the following routine using Service Mode or Toolbox (see 0005 - Service Modes): PROC_VCFRONT_X_START-THERMAL-FILL-DRAIN-COOLANTvia Toolbox: (link)via Service Mode Plus:
    • Drive Inverter ➜ Front Drive Inverter Replacement ➜ Start Fluid Fill/Drain
    • Drive Inverter ➜ Rear Drive Inverter Replacement ➜ Start Fluid Fill/Drain
    • Drive Inverter ➜ Rear Left Drive Inverter Replacement ➜ Start Fluid Fill/Drain
    • Drive Inverter ➜ Rear Right Drive Inverter Replacement ➜ Start Fluid Fill/Drain
    • Drive Unit ➜ Front Drive Unit Replacement ➜ Start Coolant Fill/Drain
    • Drive Unit ➜ Rear Drive Unit Replacement ➜ Start Coolant Fill/Drain
    Note

    Select ‘X’ at top right of window to close once complete, Verify vehicle is in Series via Garage > Vitals > HP tab > Coolant loops, Thermal Fluid Fill/Drain routine has a 5 hour limit, After 5 hours routine must be performed again
13. Open hood
    Note

    Via Center Display > Controls > Frunk Open
14. Power off vehicle from center display
    Note

    Via Controls > Safety & Security > Power Off
15. Remove rear underhood apron
    Note

    8x clips

    

    

16. Disconnect LV battery connector and First Responder Loop
    Note

    2x connectors, Lift up and release green locking tab, Pull black connector lock outwards to release connection

    

    

    

    

17. Remove LH underhood apron
    Note

    10x clips

    

    

18. Remove RH underhood apron
    Note

    10x clips

    

    

19. Remove front underhood apron
    Note

    7x clips

    

    

20. Remove frunk access panel
    Note

    3x clips, 3x hooks, 1x connector

    

    

21. Remove frunk carpet

    

    

22. Remove frunk assembly
    Note

    4x bolts, 10mm, 5 Nm

    

    

23. Release clip securing the supermanifold to battery pump supply hose from LV battery
    Note

    1x clip

    

    

24. Remove fasteners securing the LV battery and move aside
    Note

    3x bolts, 10mm, 9 Nm, 2x datums, Take note of datums and carefully move assembly aside

    

    

    

    

25. Release air quality sensor connection
    Note

    1x connector

    

    

26. Remove HEPA filter assembly cover
    Note

    2x tabs, 2x datums, 2x slots, , Be cautious and do not damage the mounting clips, Maneuver cover forward and up in front of V-brace cross member

    

    

    

    

27. Remove LV battery from vehicle

    

    

28. Release upper connections on the front controller
    Note

    2x locking connectors, Push in locking tabs and lift levers to release

    

    

    

29. Release LH middle connection on the front controller
    Note

    1x locking connector, Push in locking tab and lift lever to release

    

    

    

30. Release RH middle connections on the front controller
    Note

    2x locking connectors, Slide locking mechanism outwards to release

    

    

    

    

31. Release lower connections on the front controller
    Note

    2x locking connectors, Slide red locking tab outwards to release

    

    

    

    

32. Remove bolt securing front controller ground cable
    Note

    1x bolt, 10mm, 10 Nm

    

33. Remove bolts securing front controller
    Note

    3x bolts, 10mm, 10 Nm

    

34. Remove front controller from vehicle and release ground cable from multi system beam
    Note

    2x locating tabs, 1x ground cable

    

    

    

35. Raise vehicle fully and lower lift onto locks
    Note

    Set vehicle to comfortable working height, Make sure there's an audible click of the locks on both sides before lowering, otherwise vehicle may tilt to the side
36. Remove clips securing front aero shield
    Note

    5x push clips

    

    

    

37. Remove bolts securing front aero shield and remove from vehicle
    Note

    9x bolts, 10mm, 6 Nm

    

38. Place coolant catcher below RH front of vehicle
39. Lower vehicle until tires are touching the ground
    Note

    Raise lift off locks, then hold lock release lever to keep locks free while vehicle is lowered
40. Place absorbent material on top of front drive unit and under coolant hoses at rear of supermanifold

    

    

41. Disconnect the sensor for the powertrain supply hose
    Note

    1x locking electrical connector, Do not push down on Red tab, Pull red tab to disengage lock, Pull again to release connector

    

    

42. Disconnect powertrain supply hose from supermanifold
    Note

    1x spring clip, Plug supermanifold and powertrain supply hose

    

    

43. Release thermal harness from Supermanifold
    Note

    1x fir clip, 1x clip

    

    

    

44. Release thermal harness from powertrain coolant pump and chiller coolant pump
    Note

    2x locking electrical connectors, Do not push down on red tab, Pull red tab to disengage lock, Pull again to release connector, Move harness away from rear of supermanifold

    

    

    

45. Release powertrain coolant pump from supermanifold
    Note

    4x screws, T20, 1.8 Nm

    

    

    

46. Remove powertrain coolant pump from Supermanifold
    Note

    Make sure both o-rings (inner purple, and outer black) come off with old pump

    

    

47. Install powertrain coolant pump
    Note

    1x datum, Lubricate both O-rings with silicone lubricant, Align datum in supermanifold with cutout in pump, Seat pump fully into supermanifold, Do not use screws to pull pump into supermanifold

    

    

    

    

48. Secure powertrain coolant pump to supermanifold
    Note

    4x screws, T20, 1.8 Nm

    

    

    

49. Secure thermal harness to powertrain coolant pump and chiller coolant pump
    Note

    2x locking electrical connectors, Route thermal bar harness between upper powertrain coolant pump and lower chiller coolant pump, Ensure connector locks fully engaged

    

    

    

    

50. Secure thermal harness to Supermanifold
    Note

    1x fir clip, 1x clip

    

    

    

51. Secure powertrain supply hose to supermanifold
    Note

    1x spring clip, Remove all plugs, Perform push-pull-push test to make sure hose is fully seated

    

    

52. Connect the sensor for the powertrain supply hose
    Note

    1x locking electrical connector, Engage locking tab

    

53. Remove absorbent material on top of front drive unit and from under coolant hoses at rear of supermanifold

    

    

54. Clean area and wipe away any residual fluid

    

55. Position front controller for installation and position ground cable
    Note

    2x locating tabs, 1x ground cable

    

    

    

56. Install bolts securing front controller
    Note

    3x bolts, 10mm, 10 Nm. Start with the side bolt

    

57. Install bolt securing front controller ground cable
    Note

    1x bolts, 10mm, 10 Nm

    

58. Secure lower connections on the front controller
    Note

    2x locking connectors, Engage red locking tab

    

    

    

59. Secure RH middle connections on front controller
    Note

    2x locking connectors, Verify yellow locking tabs are fully opened, Seat connectors and mechanism will begin to engage

    

    

    

60. Secure LH middle connection for front controller
    Note

    1x locking connector, Verify lever is fully opened, Seat connector and lever will being to engage

    

    

    

61. Secure upper connections for the front controller
    Note

    2x locking connectors, Verify levers are fully opened, Seat connectors and levers will begin to engage

    

    

    

62. Install frunk assembly
    Note

    4x bolts, 10mm, 5 Nm

    

    

63. Remove coolant bottle cap

    

64. Place empty coolant container into front storage area

    

65. Fill container with at least 15L of coolant

    

66. Place filled coolant container into front storage area

    

67. Install vacuum refill cap onto coolant bottle assembly

    

68. Setup coolant refill tool
    Note

    Verify all valves on refill tool are in the closed position, See image for clarity

    

    

69. Install vacuum refill hose into refill cap on coolant bottle
    Note

    Perform push-pull-push test to verify hose is fully installed

    

70. Place refill hose inside filled coolant container
    Note

    Make sure hose end is fully submerged into coolant

    

    

71. Position overflow hose into empty container

    

    

72. Connect shop air supply to coolant refill tool
    Note

    If not already done, Verify refill valve is set to off

    

73. Open air inlet valve to draw a vacuum, Once gauge stabilizes, Fully close valve
    Note

    Gauge stabilizes roughly (60-70 cmHg), Vacuum should not drop after the valves are closed

    

    

74. Slowly open the refill valve to allow coolant to be drawn into the system
    Note

    Make sure hose end of refill hose is fully submerged during entire process

    

75. Once the gauge reads zero, close the coolant refill valve

    

    

76. Remove coolant refill hose from coolant container

    

77. Remove coolant overflow hose from coolant container

    

78. Remove vacuum refill hose from refill cap on coolant bottle

    

79. Remove vacuum refill tool cap

    

80. Remove coolant refill tool from vehicle

    

    

81. Remove both coolant containers from inside underhood area

    

    

82. Position LV battery into vehicle
    Note

    Position LV battery to the left and allow space for HEPA cover to be installed

    

    

83. Install HEPA filter assembly cover
    Note

    2x tabs, 2x datums, 2x slots, Maneuver cover down and under V-brace cross member, Fully engage seal and locking tabs

    

    

    

    

84. Secure air quality sensor connection
    Note

    1x connector

    

    

85. Install fasteners securing LV battery to multi-system beam
    Note

    3x bolts, 10mm, 9 Nm, 2x datums, Shift into position and install fasteners

    

    

    

    

86. Install clip securing the supermanifold to battery pump supply hose onto LV battery
    Note

    1x clip

    

    

87. Connect First Responder Loop and LV battery connector
    Note

    2x connectors Secure FRL first, Seat LV battery connection and push black connector lock inwards to secure, Engage green locking tab when fully seated

    

    

    

    

88. Perform the following routine using Service Mode or Toolbox (see 0005 - Service Modes): PROC_VCFRONT_X_STOP-THERMAL-FILL-DRAINvia Toolbox: (link)via Service Mode:
    • Thermal ➜ Actions ➜ Stop Thermal Fill/Drain
    • Thermal ➜ Coolant System ➜ Stop Coolant Fill/Drain
    • Thermal ➜ Refrigerant System ➜ Stop Refrigerant Fill/Drain
    via Service Mode Plus:
    • Drive Inverter ➜ Front Drive Inverter Replacement ➜ Stop Fluid Fill/Drain
    • Drive Inverter ➜ Rear Drive Inverter Replacement ➜ Stop Fluid Fill/Drain
    • Drive Inverter ➜ Rear Left Drive Inverter Replacement ➜ Stop Fluid Fill/Drain
    • Drive Inverter ➜ Rear Right Drive Inverter Replacement ➜ Stop Fluid Fill/Drain
    • Drive Unit ➜ Front Drive Unit Replacement ➜ Stop Coolant Fill/Drain
    • Drive Unit ➜ Rear Drive Unit Replacement ➜ Stop Coolant Fill/Drain
    Note

    Select ‘X’ at top right of window to close once complete
89. Perform the following routine using Service Mode or Toolbox (see 0005 - Service Modes): TEST_VCFRONT_X_THERMAL-COOLANT-AIR-PURGEvia Toolbox: (link)via Service Mode:
    • Thermal ➜ Actions ➜ Coolant Purge Stop or Coolant Purge Start
    • Thermal ➜ Coolant System ➜ Coolant Purge Start
    via Service Mode Plus:
    • Drive Inverter ➜ Front Drive Inverter Replacement ➜ Coolant Air Purge
    • Drive Inverter ➜ Rear Drive Inverter Replacement ➜ Coolant Air Purge
    • Drive Inverter ➜ Rear Left Drive Inverter Replacement ➜ Coolant Air Purge
    • Drive Inverter ➜ Rear Right Drive Inverter Replacement ➜ Coolant Air Purge
    • Drive Unit ➜ Front Drive Unit Replacement ➜ Coolant Air Purge
    • Drive Unit ➜ Rear Drive Unit Replacement ➜ Coolant Air Purge
    ’, click ‘Run’, and allow routine to complete
    Note

    Make sure vehicle is not in drive state, Plan is still running despite the stop message, Coolant pumps will be audible, Test lasts approximately 10 mins, Putting vehicle into drive state will stop this routine, Monitor levels as required
90. Inspect coolant level and top off as necessary
    Note

    Ensure that the fluid level is at the Max line, Top off fluid as required

    

    

91. Install coolant bottle cap

    

92. On the touchscreen, tap Thermal > Actions > Thermal Configurations > coolantPumpType > DUAL_MIX, and allow the routine to complete.
93. Perform the following routine using Service Mode or Toolbox (see 0005 - Service Modes): TEST-SELF_VCFRONT_X_COOLANT-PUMPS-IDENTIFICATIONvia Toolbox: (link)via Service Mode:
    • Thermal ➜ Actions ➜ Run Coolant Pumps Identification
    • Thermal ➜ Coolant System ➜ Pump Identification
    , click ‘Run’, and allow routine to complete
    Note

    Select ‘X’ at top right of window to close once complete, Ensure VCFRONT_a490_coolantPumpsNotIdentified has cleared
94. Perform the following routine using Service Mode or Toolbox (see 0005 - Service Modes): TEST-SELF_VCFRONT_X_THERMAL-PERFORMANCEvia Toolbox: (link)via Service Mode: Thermal ➜ Actions ➜ Test Thermal Performancevia Service Mode Plus:
    • Drive Inverter ➜ Front Drive Inverter Replacement ➜ Thermal System Test
    • Drive Inverter ➜ Rear Drive Inverter Replacement ➜ Thermal System Test
    • Drive Inverter ➜ Rear Left Drive Inverter Replacement ➜ Thermal System Test
    • Drive Inverter ➜ Rear Right Drive Inverter Replacement ➜ Thermal System Test
    • Drive Unit ➜ Front Drive Unit Replacement ➜ Thermal System Test
    • Drive Unit ➜ Rear Drive Unit Replacement ➜ Thermal System Test
    Note

    Select ‘X’ at top right of window to close once complete
95. Disconnect Toolbox 3 from vehicle and remove laptop and ethernet diag kit
96. Install IP service panel
    Note

    2x tabs, 4 datums, Slide forward engaging datums then secure tabs upward into IP

    

    

97. Install frunk carpet
    Note

    Verify carpet is properly seated under the seal

    

    

98. Install frunk access panel
    Note

    3x clips, 3x hooks, 1x connector

    

    

99. Install front underhood apron
    Note

    7x clips

    

    

100. Install RH underhood apron
     Note

     10x clips

     

     

101. Install LH underhood apron
     Note

     10x clips

     

     

102. Install rear underhood apron
     Note

     8x clips

     

     

103. Close hood
     Note

     Press firmly in green highlighted areas (see image), Damage may result from pressure elsewhere on hood

     

104. Raise vehicle fully and lower lift onto locks
     Note

     Set vehicle to comfortable working height, Make sure there's an audible click of the locks on both sides before lowering, otherwise vehicle may tilt to the side
105. Remove coolant catcher from under vehicle
106. Apply Loctite 222 onto front aero shield bolts and install fasteners securing front aero shield to vehicle
     Note

     9x bolts, 10mm, 6 Nm

     

107. Install clips securing front aero shield
     Note

     5x push clips

     

     

     

108. Lower vehicle fully
     Note

     Raise lift off locks, then hold lock release lever to keep locks free while vehicle is lowered
109. Remove vehicle from lift
     Note

     Lower rack arms fully and remove them from under vehicle, Remove air suspension from "Jack Mode"
110. Raise LH front window
111. Close LH front door