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ECU question - 6G Celicas Forums

Topic #17010 4 posts Started by Ricky
Just wanted to know if the 94 ECU would work on the 99.
Both of them are automatic trans.
First make sure both are the same engine, then I'd say look at the part #'s, if their different then they did some tweaking.

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just a guess here...since your going OBDI to OBDII you may have a problem..

Former Team 5SFTE pro member ;)13.6@108MPH, 5SFTE Powered
Won't work. Like presur2 said... OBDII and OBDI are completely different.

"It's ok to be naked girl... I'm an artist!"1995 AT200 Celica ST:stocked out daily driver...1984 AE86 Corolla GT-SR5:silvertop 20V 4AGE project car jacked up with goodies...1991 SW2x MR2 n/a:bare bones hardtop model soon to be...