The service task reference · 2026
Find the procedure. Understand what it does.
Explore diagnostic tests and repair tasks you can run with Tesware on compatible vehicles.
1,357
service tasks
2026 firmware
Model 3, Y, S & X
1,357 tasks Showing 529–552
Browse by name, A–Z
Reboots the Gateway (GTW) immediately and ignores display states. Never run this routine when the vehicle is in use.
PROC_ICE_X_GATEWAY-REBOOT
Reboots the Gateway (GTW).
PROC_ICE_X_GATEWAY-SAFE-REBOOT
Formats the Gateway (GTW) SD card
PROC_ICE_X_FORMAT-SD-CARD
Requests Gateway (GTW) and User Interface (UI) reboot once vehicle is parked and displays are off.
PROC_ICE_X_STANDBY-REBOOT-GTW
Functional light-up test for upgraded Model Y base right headlamp endpoints
TEST-SELF_VCBATT2_X_HEADLAMP-FUNCTIONAL-TEST-V3
Functional light-up test for upgraded Model Y base left headlamp endpoints
TEST-SELF_VCFRONT2_X_HEADLAMP-FUNCTIONAL-TEST-V3
Functional light-up test for upgraded Model Y premium headlamp endpoints
TEST-SELF_VCFRONT_X_HEADLAMP-FUNCTIONAL-TEST-V2
Functional light-up test for upgraded Model Y base headlamp endpoints
TEST-SELF_VCFRONT_X_HEADLAMP-FUNCTIONAL-TEST-V3
Tests headlamp side marker presence controlled by the Front Vehicle Controller Electronic Control Unit (ECU).
TEST-SELF_VCBATT2_X_HEADLAMP-FUNCTIONAL-TEST
Tests headlamp side marker presence controlled by the Front Vehicle Controller Electronic Control Unit (ECU).
TEST-SELF_VCFRONT2_X_HEADLAMP-FUNCTIONAL-TEST
Tests headlamp side marker presence controlled by the Front Vehicle Controller (VCFRONT) Electronic Control Unit (ECU).
TEST-SELF_VCFRONT_X_HEADLAMP-FUNCTIONAL-TEST
Tests for power, connection, and communication of the heat pump expansion valve (EXV) controlled by the Front Vehicle Controller (VCFRONT2).
TEST-SELF_VCFRONT2_X_EXVS
Tests for power, connection, and communication of the heat pump expansion valve (EXV) controlled by the Front Vehicle Controller (VCFRONT).
TEST-SELF_VCFRONT_X_EXVS
Tests for power, connection, and communication of the heat pump sequential expansion valve (EXV) controlled by the Front Vehicle Controller (VCFRONT2).
TEST-SELF_VCFRONT2_X_EXV-SEQUENTIAL-CALIBRATION
Tests for power, connection, and communication of the heat pump sequential expansion valve (EXV) controlled by the Front Vehicle Controller (VCFRONT).
TEST-SELF_VCFRONT_X_EXV-SEQUENTIAL-CALIBRATION
Commissions the Heat Pump Thermal System by opening expansion valves and slowly ramping the compressor to distribute oil.
TEST-SELF_VCFRONT2_X_HEAT-PUMP-COMMISSIONING
Commissions the Heat Pump Thermal System by opening expansion valves and slowly ramping the compressor to distribute oil.
TEST-SELF_VCFRONT_X_HEAT-PUMP-COMMISSIONING
Starts the Heat Pump Thermal System Commissioning and returns. The routine will run for up to 1 minute, but the final results are not reported
TEST-SELF_VCFRONT2_X_HEAT-PUMP-COMMISSIONING-START
Starts the Heat Pump Thermal System Commissioning and returns. The routine will run for up to 1 minute, but the final results are not reported
TEST-SELF_VCFRONT_X_HEAT-PUMP-COMMISSIONING-START
Stops the Heat Pump Thermal System Commissioning and returns.
TEST-SELF_VCFRONT2_X_HEAT-PUMP-COMMISSIONING-STOP
Stops the Heat Pump Thermal System Commissioning and returns.
TEST-SELF_VCFRONT_X_HEAT-PUMP-COMMISSIONING-STOP
This self test checks SWC Heater functionality
TEST-SELF_VCLEFT_X_SWC-HEATER
Updates HomeLink configuration. If the HomeLink icon does not appear in the controls panel after the reboot, exit and lock the vehicle to initiate another reboot.
PROC_VCFRONT_X_HOMELINK-RETROFIT
This action will perform a Self Test to check LIN connections to the HomeLink ECU. This routine will only take a few seconds.
TEST-SELF_VCBATT2_X_HOMELINK
Descriptions and input definitions come from Tesla’s 2026 vehicle firmware. This catalog includes tasks covered by Tesware’s current service access. Each task page lists the vehicle and firmware versions in which it was found. The connected vehicle confirms whether a task can run.
Cybertruck is not included in this 2026 reference.