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ISN Reset — Gen1/2/2.5

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Pair a used 8HP45/50/70/75/90 (Gen1/2/2.5) to your car — automated ISN reset, single VIN.

The older-generation counterpart of the EGS7 reset: pair a replacement 8HP45/50/70/75/90 TCU to your vehicle, fully automated.

Compatibility

Series
F/G
TCU
8HP GEN1, 8HP GEN2, 8HP GEN2.5
Transmissions
8HP45, 8HP50, 8HP70, 8HP75, 8HP90

Runs on the EGS protocol. Not sure what your car has? Check the full supported-hardware list or your VIN below. (In case of swap - use donors VIN)

General instructions

  1. 1.Purchase the ISN Reset solution — the single-VIN EGS license is included.
  2. 2.Make sure the gearbox is already coded by FA to your vehicle.
  3. 3.Follow the email instructions to activate your 1769Flash license. After activation, the app will display the ISN Reset module window.

What's included

  • Automated ISN reset for the replacement TCU
  • Guided flow in 1769Flash — no bench work

Before you buy

  • For Gen1/Gen2 transmissions on F-series and native G-series vehicles. Not available for the Toyota Supra (J29) — Supra uses the Gen3 (EGS7) reset.

Check your car before you buy — enter your VIN to confirm the ISN Reset — Gen1/2/2.5 fits. Solution purchases are non-refundable when incompatible.

Check your VIN

Enter your 17-character VIN to see what we know about your car.