pcm questions

[mkdueskey91]

So i have a 2001 audi s4 and i got an offer today from a guy wanting tosell a tuned pcm with 3 diffrent progrMs from mtm. so i know audi put out 3diffeent pcm so what do i look for on mime to match up with his before i buy it and test it out any info would help alot thanks

[BlkdoutS4]

So i have a 2001 audi s4 and i got an offer today from a guy wanting tosell a tuned pcm with 3 diffrent progrMs from mtm. so i know audi put out 3diffeent pcm so what do i look for on mime to match up with his before i buy it and test it out any info would help alot thanks

PCM? never heard that term... I think you are referring to a tuned ECU. What year is the car that has the one the guy is selling? 6sp or TIP?

[mkdueskey91]

Ya its for a 6 spd but im wondering if theres any marking or code that i can match up and be sure before i plug it in and see whats up

[Dan J Reed]

PCM = ECU.
PCM is the industry standard term (Powertrain Control Module).

http://www.engine-light-help.com/che...-acronyms.html

[mkdueskey91]

And he thinks its for an 01 bit isnt sure thats why i want something else to go of off

[mkdueskey91]

Haha thanks but help me figure out how to tell what pcm/ecu it is not the diffrences between the 2 terms

[BlkdoutS4]

Here you go:


2000 6 speed S4 = A box ECU (interchangeable with M Box but requires VAGCOM engine recode and a Hitachi MAF and housing)

2000 Tip S4 = B box ECU (interchangeable with J Box but requires VAGCOM engine recode and a Hitachi MAF and housing)

2001 6 speed S4 = H box ECU (interchangeable with M Box but requires VAGCOM cluster recode)

2001 Tip S4 = J box ECU (interchangeable with L Box)

2001.5 6 Speed S4 = M box ECU

2001.5 Tip S4 = L box ECU

2002 6 Speed S4 = T box ECU (Interchangeable with M Box)

2002 Tip S4 = AA box ECU (Interchangeable with L Box)

Take out your ECU, find the letter of the alphabet at the end of the Part #, then find out what the guy has and see if they are compatible.

[mkdueskey91]

Thanks alot man really appriciate the help