bluesubaru wrote:Can I flash a 2002 ECU with a 2003 ROM and use it in my 2003 MT?
No. Hardware isn't the same. The 2003 ECU supports a solenoid that isn't present on the 2002 WRX.bluesubaru wrote:...but can I flash a 2003 ROM to a 2002 ECU? The hardware is said to be the same (or close enough).
It's described on p. 12 of the attachment.ECUPancakes wrote:Jon, what exactly does that solenoid do?
west_minist wrote:But even if that was the case, why would you want to do that?
bluesubaru wrote:west_minist wrote:But even if that was the case, why would you want to do that?
because I can get a 2002 ECU for cheap. I want to keep my stock 2003 ECU un-modified and use a 2nd ECU (the 2002) in the car and mod that. I would rather work with 2003 code than 2002 code since that is what my car is.
Is that better? I don't know. But I would do it if it is possible.
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