We have a 90-day warranty on the supplied hardware from the date of purchase. We use tcu cores and inspect, clean, test them before shipment. Always make sure power is off in car before you swap tcu. Hot swapping can cause damage.
If you have ATF on tcu plugs, you will need to replace 13 pin connector at transmission and clean tcu plugs with contact cleaner before you install tcu. ATF can damage the board inside TCU.
warranty void if tcu is tampered with and firmware copied. data counters have been coded into the firmware to verify how many times files have been pulled.