How To Tell If Ecu Is S1 Or S2 Rb25

[SKiT_R31]

as the title says..

is there any code on the sticker etc?

cheers all

[mad082]

there are codes on the sticker of the ecu. if you were to take a pic of the sticker on the cover then post them up people could compare it with theirs.

[jeffworld2]

are they interchangeable? i dont see why not. airbag or something may cause problem but engine wise outputs are the same arent they

[SKiT_R31]

are they interchangeable? i dont see why not. airbag or something may cause problem but engine wise outputs are the same arent they

My ecu used to work in my loom, but i had another ecu that wouldnt, but would in another car

I have a 25DE in an R31

this is whats written on the ecu,

5H

23710 23U00 (could have been a V though)

MEC-R540 A1 3208

Ta