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Service procedures 2026 firmware

ECU Reset

Common/tasks/PROC_X_RESET-ECU

What this task does

Before running this routine, ensure the selected Electronic Control Unit (ECU) is powered.

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
2024+ Model 3, 2025+ Model Y, Model Y, Pre-2024 Model 3
Supported connection
Local connection
Vehicle state
Stationary · Neutral; Stationary · Parked
Gateway diagnostic level
Service, Factory, DiagLinkActive

Procedure notes

Depending on the selected ECU, pack contactors may open and/or vehicle may temporarily lose functionality.

Task inputs (1)

ECU Name

ecu · PlatformSpecificEcuEnumType

Select ECU to reset.

Firmware default: Not specified

Options: APSB, CMP, CMPD, CP, DAS, DI, DIF, DIR, DPB, EPAS3P, EPAS3P_APP, EPAS3S, EPAS3S_APP, EPBL, EPBR, ESP, HVBMS, HVP, IBST, ICR, IDB, OCS1P, PARK, PCS, PCS2, PM, PMF, PMFMFG, PMR, PTC, RADC, RCM, RCM2, RCU, SCCM, SDCR, TAS, TPMS, TRCM, USM-VIPER, VCBATT, VCBATT1, VCBATT2, VCCC, VCFRONT, VCFRONT1, VCFRONT2, VCLEFT, VCRIGHT, VCSEAT2L, VCSEAT2R, VCSEC

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
Service, Factory, DiagLinkActive

Procedure notes

Depending on the selected ECU, pack contactors may open and/or vehicle may temporarily lose functionality.

Task inputs (1)

ECU Name

ecu · PlatformSpecificEcuEnumType

Select ECU to reset.

Firmware default: Not specified

Options: CMP, CMPD, CP, DAS, DIF, DIR, EPAS3P, EPAS3P_APP, EPAS3S, EPAS3S_APP, EPBL, EPBR, ESP, HVBMS, HVP, IBST, ICR, OCS1P, PARK, PCS, PCS2, PMF, PMR, PTC, RADC, RCM, RCM2, SCCM, SDCR, TAS, TPMS, TRCM, USM-VIPER, VCBATT, VCBATT1, VCBATT2, VCFRONT, VCFRONT1, VCFRONT2, VCLEFT, VCRIGHT, VCSEC

Model S / X (legacy) Legacy infotainment · Firmware 2026.14.6
Vehicle coverage
Pre-2021 Model S, Pre-2021 Model X
Supported connection
Local connection
Vehicle state
Stationary · Neutral; Stationary · Parked
Gateway diagnostic level
Service, Factory, DiagLinkActive

Procedure notes

Depending on the selected ECU, pack contactors may open and/or vehicle may temporarily lose functionality.

Task inputs (1)

ECU Name

ecu · PlatformSpecificEcuEnumType

Select ECU to reset.

Firmware default: Not specified

Options: BCCEN, BCFALCD, BCFALCP, BCFDM, BCFPM, BCFRONT, BCRDM, BCREAR, BCRPM, BCS2C, BCS2L, BCS2R, BDY, BMS, CHG, CHGPH1, CHGPH2, CHGPH3, CHGRLY, CHGS, CHGSPH1, CHGSPH2, CHGSPH3, CHGSVI, CHGVI, CMP, CP, CTPMS, DAS, DCDC, DDM, DHFD, DHFP, DHRD, DHRP, DI, DIS, EFUSE, EPAS, EPAS2, EPAS3P, EPAS3S, EPB, EPBM, ESP, ESP2, ESPCAL, IBST, IBSTCAL, IC, LFT, MSM, MSMD, MSMP, OCS, PARK, PARK2, PDM, PLCRLY, PM, PMS, PTC, PTCR, RADC, RADCB, RADRL, RADRR, RCCM, RCM, RLSCAL, SCCM, SDM, SEC, SNSCLL1, SNSCLR1, SNSCUL1, SNSCUR1, SUN, TAS, TAS2, THC, TPMS, TUNER, VCSEATD, VCSEATP, WC

Model S / X (2021+) AMD · Firmware 2026.20.6.1
Vehicle coverage
2021+ Model S, 2021+ Model X
Supported connection
Local connection
Vehicle state
Stationary · Neutral; Stationary · Parked
Gateway diagnostic level
Service, Factory, DiagLinkActive

Procedure notes

Depending on the selected ECU, pack contactors may open and/or vehicle may temporarily lose functionality.

Task inputs (1)

ECU Name

ecu · PlatformSpecificEcuEnumType

Select ECU to reset.

Firmware default: Not specified

Options: BCFALCD, BCFALCP, BCFDM, BCFPM, BCRDM, BCRPM, BCS2L, BCS2R, CCCM, CMPD, CP, DAS, DI, DIF, DIR, DIREL, DIRER, EPAS3P, EPAS3P_APP, EPAS3S, EPAS3S_APP, EPBL, EPBR, ESP, HVBMS, HVP, IBST, ICR, ICRM, PARK, PCS, PEPS, PEPSM, PM, PMF, PMFMFG, PMR, PMREL, PMRER, PSFA, PSFAM, RADC, RCM, SCCM, SEPS, SEPSM, SSFA, SSFAM, TAS, USM-VIPER, VALEOUSS, VCBATT, VCFRONT, VCLEFT, VCRIGHT, VCSEATD, VCSEATP, VCSEC, VIPR

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