Are these things able to be reflashed?
California FJ62 3FE ECU - Found One Thanks
- Thread starter 73tlcv8
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Engineer8000
SILVER Star
Cali ECU
Engineer8000
SILVER Star
Not able to change the firmware on these, they are masked ROM when manufactured. They can be tricked to work with a piggyback processor, the Supra guys have done it to a similar vintage ECU.