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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

Rear Only Motor Mode

Enables only the rear motor on a dual motor vehicle with All-Wheel Drive (AWD). Vehicle will operate with only the rear motor. To run this procedure, vehicle must be four wheel drive and satisfy either GUI_isDevelopmentCar, GUI_factoryMode, or GUI_serviceMode.

PROC_ICE_X_REARONLY-MOTOR-MODE

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

Rear Right Backrest Heatpad Self-Test

Tests if the second row right seat backrest heater is drawing sufficient current by performing a load test. This routine outputs current draw statistics, including threshold, minimum and maximum current, average current, and standard deviation.

TEST-SELF_VCRIGHT_REAR-R_SEAT-HEAT-BACKREST-HYDROXIDE

Model 3 / Y
Self-tests

Rear Right Backrest Heatpad Self-Test

Tests if the second row right seat backrest heater is drawing sufficient current by performing a load test. This routine outputs current draw statistics, including threshold, minimum and maximum current, average current, and standard deviation.

TEST-SELF_VCRIGHT_X_SEAT-HEAT-BACKREST

Model 3 / Y
Self-tests

Rear Right Door RGB light LIN connection test

Tests communication of the Rear Right Door RGB light (RGBDOORRR) with Right Vehicle Controller (VCRIGHT) over the Local Interconnect Network (LIN) bus.

TEST-SELF_VCRIGHT_RGBDOORRR

Model 3 / Y
Self-tests

Rear Right Window Calibration

Calibrates rear right window endstops for pinch detection. Ensure rear right door is closed and do not open the door or press the window switch button while the routine runs.

TEST-SELF_VCRIGHT_REAR-R_CALIBRATE-WINDOW

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

Rear Seat Cushion Heaters Self-Test

Tests if the second row seat cushion heaters (left, center, and right) and thermistors are operating as expected by performing load tests, verifying current draw, and checking thermistor health.

TEST-SELF_VCLEFT_REAR-X_SEAT-HEAT-CUSHION-HYDROXIDE

Model 3 / Y
Self-tests

Rear Seat Cushion Heaters Self-Test

Tests if the second row seat cushion heaters (left, center, and right) and thermistors are operating as expected by performing load tests, verifying current draw, and checking thermistor health.

TEST-SELF_VCRIGHT_X_SEAT-HEAT-CUSHION

Model 3 / Y
Self-tests

Rear Seat L/R flat fold switch

Tests electrical connection of the second row seat fold flat switchpack located behind the left rear seats

TEST-SELF_VCLEFT_REAR_SEAT-FOLD-FLAT-SWITCH

Model 3 / Y
Service procedures

REAR-LEFT Drive Unit Resolver Error Learning

Calibrate resolver analog input error, required after an inverter swap. Before running routine, verify steering wheel is straight and drive rail is on. After starting routine, follow these steps to complete: 1. With vehicle on lift, shift to gear D within 10 seconds of starting routine, and firmly press accelerator pedal. 2. Keep accelerator pedal pressed until motor starts slowing down on its own. 3. After speedometer reaches 0, press the brake and shift to gear P. Do NOT press brakes during coast down, brake softly if cancelling routine.

PROC_DIREL_X_RESOLVER-ERROR-LEARN

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

REAR-RIGHT Drive Unit Resolver Error Learning

Calibrate resolver analog input error, required after an inverter swap. Before running routine, verify steering wheel is straight and drive rail is on. After starting routine, follow these steps to complete: 1. With vehicle on lift, shift to gear D within 10 seconds of starting routine, and firmly press accelerator pedal. 2. Keep accelerator pedal pressed until motor starts slowing down on its own. 3. After speedometer reaches 0, press the brake and shift to gear P. Do NOT press brakes during coast down, brake softly if cancelling routine.

PROC_DIRER_X_RESOLVER-ERROR-LEARN

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

Record Service Action

Records a new maintenance or repair event for this vehicle, adding to its service history database.

PROC_ICE_X_RECORD-SERVICE-ACTION

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

Redundant Control Unit CAN Communication

Tests communication with the Redundant Control Unit (RCU) Electronic Control Unit (ECU). Communication is established via Unified Diagnostics Services (UDS) over the Controller Area Network (CAN).

PING-TP_RCU

Model 3 / Y
Self-tests

Refrigerant Discharge Sensor Test

Tests for power, connection, and communication of the refrigerant discharge sensor controlled by the Front Vehicle Controller (VCFRONT2).

TEST-SELF_VCFRONT2_X_REFRIGERANT-DISCHARGE

Model 3 / Y
Self-tests

Refrigerant Discharge Sensor Test

Tests for power, connection, and communication of the refrigerant discharge sensor controlled by the Front Vehicle Controller (VCFRONT).

TEST-SELF_VCFRONT_X_REFRIGERANT-DISCHARGE

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