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ECU resets 2026 firmware

OCS1P UDS ECU Reset

Gen3/tasks/TEST-RESET_OCS1P

What this task does

Resets the 1st Row Passenger Side Occupancy Sensor (OCS1P) Electronic Control Unit (ECU). Reset is executed via Unified Diagnostics Services (UDS) over the Controller Area Network (CAN).

Vehicle & firmware coverage

Open a version to see its description, requirements, and input definitions. Hardware configuration and live vehicle checks also determine availability.

Model 3 / Y AMD · Firmware 2026.32.3
Vehicle coverage
Model Y, Pre-2024 Model 3
Supported connection
Local connection
Vehicle state
Stationary · Parked
Gateway diagnostic level
Service, Factory, DiagLinkActive

Task inputs (0)

No user inputs are listed in this firmware.

Model 3 / Y Intel · Firmware 2026.32.7
Vehicle coverage
Model Y, Pre-2024 Model 3
Supported connection
Local connection
Vehicle state
Stationary · Parked
Gateway diagnostic level
Service, Factory, DiagLinkActive

Task inputs (0)

No user inputs are listed in this firmware.

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Service procedures

OCS1P Recalibration After Sandwich Sensor Removal

Recalibrates the Occupant Classification System in the Front Passenger Seat (OCS1P) after removing the sandwich sensor and installing the occupant switch. Passenger seat must be empty. OCS1P temperature should be between 15°C to 30°C, and humidity should be less than 75%.

PROC_OCS1P_SELF-CALIBRATION

Model 3 / Y
Self-tests

OCS1P Sensor Test

Tests for power, connection, communication, and sensor connection of the Occupant Classification System (OCS) Electronic Control Unit (ECU).

TEST-SELF_OCS1P

Model 3 / Y