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Service procedures 2026 firmware

SEC Pektron VIN Learn

ModelS/tasks/PROC_SEC_X_PEKTRON-VIN-LEARN

What this task does

This routine performs the VIN Learn, and side configuration learn for Pektron door module. This is necessary to ensure the security controller (SEC) recognizes the correct vehicle configuration. Test will always report as passed to MES due to unreliability of the routine. Routine is necessary after any configuration changes that affect the SEC module.

Vehicle & firmware coverage

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

Model S / X (legacy) Legacy infotainment · Firmware 2026.14.6
Vehicle coverage
Pre-2021 Model S
Supported connection
Local connection
Vehicle state
Stationary · Drive; Stationary · Neutral; Stationary · Parked
Gateway diagnostic level
No specific level listed

Task inputs (0)

No user inputs are listed in this firmware.

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Service procedures

Fuse Modem

The procedure fuses only the modem board when the other components are already fused. This is useful for modem replacements that were not fused in the factory. Production components should always be fused.

PROC_SEC_X_FUSE-MODEM

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

Key Range Test

This test checks the RKE antenna system function and quality in Model S vehicles. The test can be performed with any Model S key fob or RF emitter, provided it is the same frequency region as the vehicle. The test will pass when the security controller (SEC) detects a RSSI value between 380 and 500. As the user presses key fob buttons, the SEC records the received signal strength from the RKE antenna.

TEST_SEC_X_KEY-RANGE

Model S / X (legacy)
Diagnostic tests

LF Antenna Diagnosis (SEC)

Runs a ping test on all 7 LF antennas. The low frequency (LF) antennas are used on the Model S to detect the position\nof the key fob in and around the vehicle. This test checks to make sure the\nspecified antenna is connected and responsive. This includes: - Center Console - Rear Seat - Rear Bumper - Dead Key Fob - Driver's Side End Cap - Passenger's Side End Cap - Frunk The routine will pass if all antennas return success. The failed output will include any antennas which failed to ping.

TEST_SEC_X_ANTEN-LF-DIAGNOSIS

Model S / X (legacy)