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Service procedures 2026 firmware

PLC Modem Retrofit

Gen3/tasks/PROC_CP_X_PLC-MODEM-RETROFIT

What this task does

This routine will update the PLC Modem configuration

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 · Neutral; Stationary · Parked
Gateway diagnostic level
Factory, Service, 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 · Neutral; Stationary · Parked
Gateway diagnostic level
Factory, Service, DiagLinkActive

Task inputs (0)

No user inputs are listed in this firmware.

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Communication checks

Charge Port Connection Test

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

PING-TP_CP

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

Charge Port EVSE Sensing Test

Tests charge port Electric Vehicle Supply Equipment (EVSE) sensing.

TEST-SELF_CP_X_EVSE-SENSING

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