What is the different between EM1 ECU P2T-A11 and the A12?

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Sep 26, 2016 | 07:18 PM

plotomatic

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What is the different between EM1 ECU P2T-A11 and the A12?

I need to buy one and dont want to get the wrong one..!!!

Sep 28, 2016 | 11:50 AM

spAdam

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From: Boat on a Hill, CA

Re: What is the different between EM1 ECU P2T-A11 and the A12?

Revision number.

Most likely a very slight calibration change between the two or one has a chip/component from a different vendor, etc. Either one is a 99-00 Si ecu.

Sep 30, 2016 | 08:38 AM

TheShodan

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From: City of Wind, IL, USA

Re: What is the different between EM1 ECU P2T-A11 and the A12?

Quote:

Originally Posted by spAdam

Revision number.

Most likely a very slight calibration change between the two or one has a chip/component from a different vendor, etc. Either one is a 99-00 Si ecu.

In which there is no difference, and you won't get the "wrong one" in either case for the purpose of running OEM STOCK.