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Tesla service tasks.

Find the procedure. Understand what it does. Explore diagnostic tests and repair tasks you can run with Tesware on compatible vehicles.

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service tasks

Model 3, Y, S & X

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Service procedures

Set HVC HVIL Configuration

This routine writes the correct High Voltage Interlock Loop (HVIL) type of the vehicle to the High Voltage Controller (HVC).

PROC_HVP_X_HVIL-SET-CONFIGURATION

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

Set Modem Only Power State

Sets modem on / off / cycle. 'on' state be restored by qtcar-connman if it is currently running.

PROC_ICE_X_SET-MODEM-ONLY-POWER-STATE

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

Set Modem Power State

Sets modem power state and stops / starts related cell processes. Power_state can be 'on', 'off', or 'cycle'.

PROC_ICE_X_SET-MODEM-POWER-STATE

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

Set Valet Mode - Undelivered

The procedure generates a random four digit Valet Mode PIN and optionally enables Valet Mode on a delivered vehicle.

PROC_ICE_X_SET-VALET-MODE-UNDELIVERED

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

Show all public keys on whitelist

The test displays all public keys on the whitelist of the Security Controller (VCSEC) and optionally shows permissions.

TEST_VCSEC_X_DISPLAY-KEY-WHITELIST

Model 3 / Y Model S / X (2021+)
Self-tests

Shut Off Valve Test

Tests for power, connection, and communication of the shut-off valve controlled by the Front Vehicle Controller (VCFRONT).

TEST-SELF_VCFRONT_X_SOLENOID

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

SIM Card Toggle

Enables or disables the onboard embedded SIM. When the embedded SIM is disabled, the external SIM card is used. The procedure may take a few minutes to complete. To maintain connectivity, make sure a physical SIM card is present in the external slot when disabling the onboard SIM.

PROC_ICE_X_ENABLE-DISABLE-SIM-CARD

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

SOC Check - North America

Checks the State of Charge (SOC) on the vehicle.

PROC_CID_X_DV-CHARGE-PERCENT-CHECK-NA

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

SOC Reset

Resets all HV battery brick State of Charge (SOC) values based on the latest Open Circuit Voltage (OCV) brick measurements. During normal operation, the HVBMS ECU calculates brick SOCs from multiple data sources. This routine should be executed when the SOC is >90% or <15% and the HV battery has rested (not charging, driving, or climate ON) for at least one hour within that SOC range.

PROC_HVBMS_X_RESET-SOC

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

Soft Fuse Infotainment

Soft-fuse or un-soft-fuse infotainment

PROC_ICE_X_SOFT-FUSE

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

SOH Reset

Resets the HV battery State of Health (SOH) state, enabling a new SOH test to be performed if previously inhibited.

PROC_HVX_X_RESET-SOH

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

Speed Limit Override Mode

Overrides the drive unit speed and torque limits set by Factory or Service Mode.

PROC_ICE_X_ENTER-LIMIT-OVERRIDE

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

Start Close Refrigerant Valves routine

Starts the Close Refrigerant Valves routine and returns. The routine will run for up to 5 hours, but the final results are not reported

PROC_VCFRONT_X_START-CLOSE-REFRIGERANT-VALVES

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

Start EPBL Service Mode

Activates Service Mode on the left Electronic Park Break (EPBL).

PROC_EPBL_START-SERVICE-MODE

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

Start EPBR Service Mode

Activates Service Mode on the right Electronic Park Break (EPBR).

PROC_EPBR_START-SERVICE-MODE

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

Start HV Battery Discharge

Starts discharging the High Voltage (HV) battery by producing waste heat in the Drive Units and rejecting that heat out the radiator. Automatically stops when the HV Battery State of Charge (SOC) max reaches the user-selected target SOC.

PROC_VCFRONT_X_HV-DISCHARGE-START

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

Start Thermal Fluid Fill and Drain

Starts the Thermal Fluid Fill and Thermal Fluid Drain procedures. Runs for up to 5 hours, monitoring status.

PROC_VCFRONT_X_START-THERMAL-FILL-DRAIN

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

Start Thermal Fluid Fill/Drain (Coolant only)

Starts the Thermal Fill Drain for coolant only and returns. The routine will run for up to 50 minutes, but the final results are not reported

PROC_VCFRONT_X_START-THERMAL-FILL-DRAIN-COOLANT

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

Start Thermal Fluid Fill/Drain (Refrigerant only)

Starts the Thermal Fill Drain for refrigerant only and returns. The routine will run for up to 50 minutes, but the final results are not reported

PROC_VCFRONT_X_START-THERMAL-FILL-DRAIN-REFRIGERANT

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

State of Charge Check Rest of World

Checks the State of Charge (SoC) on the vehicle.

PROC_CID_X_DV-CHARGE-PERCENT-CHECK-ROW

Model 3 / Y Model S / X (legacy) Model S / X (2021+)
Self-tests

Steering Angle Offset Detection Test

This routine checks if the wheel alignment has been disturbed after a suspension repair. Drive the vehicle on a straight road above 30kph/18mph. If the alignment has changed, the routine will indicate that a wheel alignment is required.

TEST-SELF_EPAS_X_STEERING-CENTER-OFFSET-SERVICE

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

Steering Column Calibration

Calibrates the steering column. Sets the zero position of each axis. Determines the number of motor encoder counts it takes to reach the other endpoint of the column's travel.

PROC_STEERING_COLUMN_CALIBRATION

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

Steering Column Calibration

Tests up/down and in/out movement of the steering column by moving the steering column a short distance in each direction.

PROC-VCLEFT_X_STEERING-COLUMN-CALIBRATION

Model 3 / Y Model S / X (2021+)
Self-tests

Steering Column Self Test

Tests up/down and in/out movement of the steering column by shortly moving the steering column in each direction.

TEST-SELF_VCLEFT_X_STEERING-COLUMN

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