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The service task reference · 2026

Tesla service tasks.

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

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1,357 tasks Showing 193–216

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Service procedures

Clear BMS Open VSH Latch

This routine clears the open voltage sense harness (VSH) alerts BMS_f/w107_SW_Cell_Voltage_Sensor and BMS_f/w177_OpenVshDetected latch bit within the BMS NVRAM. This routine shall ONLY be executed after installing a new/remanufactured HV battery or on rare occasion when instructed to do so by engineering.

PROC_BMS_X_CLEAR-LATCH-BITS

Model S / X (legacy)
Service procedures

Clear BMS Pack Contactor Open Under Load Counter

This routine will clear the BMS pack contactor open under load counter. This routine shall ONLY be executed after installing new pack contactors or on rare occasion when instructed to do so by engineering.

PROC_BMS_X_CLEAR-CTC-OPEN-LOAD

Model S / X (legacy)
Service procedures

Clear BMS Pack Contactors Stress

This routine will clear the BMS pack contactor stress value for both contactors and in effect, clear BMS_u019_Acceleration_Reduced alert. This routine shall ONLY be executed after installing new pack contactors or on rare occasion when instructed to do so by engineering. See Toolbox Article 32782 for more information.

PROC_BMS_X_CLEAR-CONTACTOR-STRESS

Model S / X (legacy)
Service procedures

Clear BMS Pack Contactors WOT Counter

This routine will clear the BMS pack contactors wide open throttle (WOT) counter. This routine shall ONLY be executed after installing new pack contactors or on rare occasion when instructed to do so by engineering.

PROC_BMS_X_CLEAR-CONTACTOR-WOT-COUNTER

Model S / X (legacy)
Service procedures

Clear BMS SOC1 Snapshot

This routine clears the BMS SOC1 snapshot which in effect clears all HV battery brick weak short metrics/alerts. This routine shall ONLY be executed after installing a new/remanufactured HV battery or on rare occasion when instructed to do so by engineering. The routine will clear BMS_w117_SW_Delta_SOC_Weak_Short and BMS_u029_dSoc_Limiting if actively set on the vehicle.

PROC_BMS_X_CLEAR-SOC1-SNAPSHOT

Model S / X (legacy)
Service procedures

Clear Cache

Clears cache and temp files located in /home/tesla and /home/mediaserver

PROC_ICE_X_CLEAR-CACHE

Model 3 / Y Model S / X (legacy) Model S / X (2021+)
Service procedures

Clear Chromium Cache

The procedure clears the chromium app caches to free up disk space.

PROC_ICE_X_CLEAR-CHROMIUM-CACHE

Model 3 / Y Model S / X (legacy) Model S / X (2021+)
Service procedures

Clear Disable Fast Charge Flag

This task will clear the disable fast charge flag on the charger. This flag can become set if the charger detects low differential resistance on the FC link during the leakage test.

PROC_CHG_X_CLEAR-FAST-CHARGE-DISABLED

Model S / X (legacy)
Service procedures

Clear DPB DTCs

The procedure clears Diagnostic Trouble Codes (DTC) in the decoupled pedal brake (DPB) Electronic Control Unit (ECU).

PROC_DPB_X_CLEAR-DTCS

Model 3 / Y
Service procedures

Clear Drivenotes

The procedure clears the Drivenotes folder to free up disk space.

PROC_ICE_X_CLEAR-DRIVENOTES

Model 3 / Y Model S / X (legacy) Model S / X (2021+)
Service procedures

Clear DTCs

Clears the diagnostic data on the chosen Electronic Control Unit (ECU). This will clear any active Diagnostic Trouble Codes (DTC). DTC functionality may not exist on all ECUs depending on the platform.

PROC_X_CLEAR-DTCS

Model 3 / Y Model S / X (2021+)
Service procedures

Clear E-fuse Power Off Request

Restore power for a specific component by clearing its power-off request. Normal power management resumes and the feed turns back on per the vehicle's power state table.

PROC_VC_X_CLEAR-POWER-OFF-REQUEST

Model 3 / Y
Service procedures

Clear EPAS3P and EPAS3S DTCs

Clears Diagnostic Trouble Codes (DTCs) from the electrically assisted power steering (EPAS3P and EPAS3S) electronic control units (ECUs).

PROC_EPAS_X_CLEAR-DTCS

Model 3 / Y
Service procedures

Clear headlamp latched faults in factory

Clear all headlamp factory latched faults that were triggering leftHeadlampFactoryFault and rightHeadlampFactoryFault alerts

PROC_VCFRONT_X_CLEAR-HEADLAMP-LATCHED-FACTORY-FAULTS

Model 3 / Y
Service procedures

Clear HVBMS Open VSH Latch

Clears the Voltage Sense harness (VSH) alert BMS_a119_Fast_Open_Vsh_Detected latch within the HVBMS NVRAM. This routine shall only be executed after installing a new/remanufactured HV battery.

PROC_HVBMS_X_RESET-VSH-FAULT

Model 3 / Y Model S / X (2021+)
Service procedures

Clear HVC Battery Coolant Flood Alert

Clears the HVC battery coolant flood alert, BMS_a124_Battery_Coolant_Flood, if set. This routine shall only be executed after repairing the HV battery isolation issue.

PROC_HVC_X_CLEAR-BATTERY-COOLANT-FLOOD-ALERT

Model 3 / Y Model S / X (2021+)
Service procedures

Clear HVC Internal Isolation Alert

Clears the HVC internal isolation alert, BMS_a123_SW_Internal_Isolation, if set. This routine shall only be executed after repairing the HV battery isolation issue.

PROC_HVC_X_CLEAR-INTERNAL-ISOLATION-ALERT

Model 3 / Y Model S / X (2021+)
Service procedures

Clear HVC Isolation Condition

Clears the High Voltage Controller (HVC) isolation counters and alerts BMS_a027_SW_Repeated_Isolation_Failure_In_Drive, BMS_a172_SW_Isolation_Failure_In_Drive_Warning, BMS_a123_SW_Internal_Isolation, and BMS_a124_Battery_Coolant_Flood, if set. This routine shall only be executed after repairing a HV system component for loss of isolation.

PROC_HVC_X_CLEAR-ISOLATION-CONDITION

Model 3 / Y Model S / X (2021+)
Service procedures

Clear HVC SOC1 Snapshot

Clears the HVC SOC1 snapshot which in effect clears all HV battery brick weak short calculations and BMS_a029_dSoc_Limiting, if set. This routine shall only be executed after installing a new/remanufactured HV battery.

PROC_HVC_X_CLEAR-SOC1-SNAPSHOT

Model 3 / Y Model S / X (2021+)
Service procedures

Clear IDB DTCs

Clear the Mando Decoupled Brake (IDB) Diagnostic Trouble Codes (DTC).

PROC-IDB_X_CLEAR_DTCS

Model 3 / Y
Service procedures

Clear left headlamp latched faults in factory

Clear all left headlamp factory latched faults that were triggering leftHeadlampFactoryFault alert

PROC_VCBATT_X_CLEAR-LEFT-HEADLAMP-LATCHED-FACTORY-FAULTS

Model S / X (2021+)
Service procedures

Clear left headlamp latched faults in factory

Clear all left headlamp factory latched faults that were triggering leftHeadlampFactoryFault alert

PROC_VCFRONT2_X_CLEAR-HEADLAMP-LATCHED-FACTORY-FAULTS

Model 3 / Y
Service procedures

Clear Lost and Found

The procedure clears the Lost and Found folder to free up disk space.

PROC_ICE_X_CLEAR-LOST-FOUND

Model 3 / Y Model S / X (legacy) Model S / X (2021+)
Service procedures

Clear Map Cache

The procedure clears infotainment map cache to free up disk space. Confirm map cache is over 2.1GB.

PROC_ICE_X_CLEAR-MAP-CACHE

Model 3 / Y Model S / X (legacy) Model S / X (2021+)

About this reference

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.

  • Model 3 / Y · AMD · firmware 2026.32.3
  • Model 3 / Y · Intel · firmware 2026.32.7
  • Model S / X (legacy) · Legacy infotainment · firmware 2026.14.6
  • Model S / X (2021+) · AMD · firmware 2026.20.6.1

Cybertruck is not included in this 2026 reference.