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Ecotec engine management summary w/ PinOuts

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Ecotec engine management summary w/ PinOuts

Old 11-15-2008, 10:20 PM
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Originally Posted by Halfcent View Post
We now have Pin-Out diagrams for several model Ecotec ECM's. Follow the links:

02 Alero
02-05 Cavalier / Sunfire
03-? Ion
05-07 Cobalt LSJ
05-06 Cobalt L61
06 Solstice
07 Solstice
Does anyone know pins are stage3 nos pins on the P12 PCM?
And who makes the P12 PCM for GM?
Thanks
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Old 07-07-2009, 04:33 PM
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so if i was to flash the TCM with my VIN , and repin my 05 LT A4 harness for a 2.4 PCM...whats to stop it from working???
I really wanna use my HPTuners to tune my Cobalt ...
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Old 07-07-2009, 04:45 PM
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Originally Posted by stone4779 View Post
so if i was to flash the TCM with my VIN , and repin my 05 LT A4 harness for a 2.4 PCM...whats to stop it from working???
I really wanna use my HPTuners to tune my Cobalt ...
Why are you making life harder on yourself?

Just get a trifecta tune and call it a day. Hell, Vince at Trifecta will even let you dyno tune it when he has time.
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Old 07-07-2009, 07:02 PM
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Originally Posted by umrdyldo View Post
Why are you making life harder on yourself?

Just get a trifecta tune and call it a day. Hell, Vince at Trifecta will even let you dyno tune it when he has time.
there are those of us that would prefer to tune our cars ourselves....and not worry about going back and forth and dealing with another party. so if he is able to do it let him. if not o well
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Old 07-07-2009, 09:59 PM
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Originally Posted by stone4779 View Post
so if i was to flash the TCM with my VIN , and repin my 05 LT A4 harness for a 2.4 PCM...whats to stop it from working???
I really wanna use my HPTuners to tune my Cobalt ...
Your TCM is already flashed with your VIN.

The LE5 engines don't use a PCM.

The E67 software is not compatible with the other CAN BUS items in the E16 cars.

You will never be able to use HPT on an L61 engine. HPT will not support it.

Get the AEM F/IC. Then get Trifecta to make you a tune that will allow the E16 to play nice with it. That way you only have to flash your ECM once, and can still make changes at home via the piggyback. That's how I plan to do it.
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Old 07-08-2009, 06:22 AM
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ok so here's a scenario, find a wrecked balt with different motor/ecm configuration. whats to stop you from swapping the ecm/tcm, wiring harnesses and all components that run off the can bus system? for instance converting an LSJ to an LNF car.
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Old 07-08-2009, 01:19 PM
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Originally Posted by Halfcent View Post
Your TCM is already flashed with your VIN.
Imeant the new TCM from the donor.

Originally Posted by Halfcent
The LE5 engines don't use a PCM.
What? What does it use then?

Originally Posted by Halfcent
The E67 software is not compatible with the other CAN BUS items in the E16 cars.

You will never be able to use HPT on an L61 engine. HPT will not support it.

Get the AEM F/IC. Then get Trifecta to make you a tune that will allow the E16 to play nice with it. That way you only have to flash your ECM once, and can still make changes at home via the piggyback. That's how I plan to do it.
Well aint that a bitch....What CAN BUS items are we talking about?

Does anyone have any experience using the AEM F/IC? Man HPTuners really makes it difficult for us 2.2 guys... I just wanna turbo the darn thing lol. HPTuners is so dang easy to use...I really wanted to use it on this ride.

Im going to check out that AEM peice...Ive never used a piggyback before thats why I just wanted to stick with the HPTuners but I guess its good to learn new things.....
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Old 07-08-2009, 11:16 PM
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Originally Posted by jimbos'ss View Post
ok so here's a scenario, find a wrecked balt with different motor/ecm configuration. whats to stop you from swapping the ecm/tcm, wiring harnesses and all components that run off the can bus system? for instance converting an LSJ to an LNF car.
You need to do a lot more reading of that topic here on this forum. It was covered extensively back in 2005 when the L61 and LSJ cars first came out. You can't do it. The ECM's in these cars are each individually so different that the rest of the car can not function without it's original. Don't think about the ECM as a stand-alone component, because it's not. It's a part of a complete system of operating modules that are all connected together via a network. ABS, BCM, TCM, many more, will just not communicate with anything different then what was originally installed.
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Old 07-09-2009, 12:51 AM
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Originally Posted by Halfcent View Post
You need to do a lot more reading of that topic here on this forum. It was covered extensively back in 2005 when the L61 and LSJ cars first came out. You can't do it. The ECM's in these cars are each individually so different that the rest of the car can not function without it's original. Don't think about the ECM as a stand-alone component, because it's not. It's a part of a complete system of operating modules that are all connected together via a network. ABS, BCM, TCM, many more, will just not communicate with anything different then what was originally installed.
nevermind you misunderstood the question completely.....
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Old 07-09-2009, 03:50 PM
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Originally Posted by Halfcent View Post
You need to do a lot more reading of that topic here on this forum. It was covered extensively back in 2005 when the L61 and LSJ cars first came out. You can't do it. The ECM's in these cars are each individually so different that the rest of the car can not function without it's original. Don't think about the ECM as a stand-alone component, because it's not. It's a part of a complete system of operating modules that are all connected together via a network. ABS, BCM, TCM, many more, will just not communicate with anything different then what was originally installed.
i think jimbo meant, what if, we took all the abs bcm tcm ecm ecus etc etc. out of a 2.4 or 2.0 and put all those components and wiring harness into a 2.2 theoretically it would have to work? yes its alot of work but it would have no choice but to work properly and then tuning with hpt would be possible
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Old 07-09-2009, 08:28 PM
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Originally Posted by mrsilent13 View Post
i think jimbo meant, what if, we took all the abs bcm tcm ecm ecus etc etc. out of a 2.4 or 2.0 and put all those components and wiring harness into a 2.2 theoretically it would have to work? yes its alot of work but it would have no choice but to work properly and then tuning with hpt would be possible
Im sure if u knew which parts communicate through the network, swapped them, repinned the ecu, and made sure all VINs and network IDs match u could but daayum waay too much money and work.....Imma say F it on this one lol
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Old 07-10-2009, 12:33 AM
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I know exactly what he meant. And for the cost of doing all of that, it's cheaper to just trade in the car for the right one to start with. I'm not being a smart ass about that, it's completely true. And nothing but the E16 can run the L61 engines in the 2005-06 Cobalts because of their unique ignition system.
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Old 07-14-2009, 05:43 PM
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instead of switching pins on the ecm's and swapping engines, it would be easy to get a j-boby ecotec moter and ecm with wiring and drop that in, all you would have to do is install the cable throttle body....
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Old 08-14-2009, 03:06 PM
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I read and did a search, and did not find this correction. the 07 ion 2.2 uses the e67, not the e37.
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Old 03-24-2017, 09:01 AM
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Yes this link confirms 2007 ion2 says about e67 pcm https://en.wikipedia.org/wiki/Saturn_Ion look under the heading in bold 2007. Here is a pic from hotrodmagazine showing a e67 pcm Know Your E67 ECU - Hot Rod Network


It increases the HP and TQ so next is who can test this pcm on a 06-08 LE5 that way we can do the swap

also another question does the 2007 2.2 Ion2 use a 58x trigger on the crank ? I thinknot
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Old 03-24-2017, 09:08 AM
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A partial list of E67 PCM's

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Old 03-24-2017, 01:05 PM
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Originally Posted by IWANNAGOFASTER View Post
Yes this link confirms 2007 ion2 says about e67 pcm https://en.wikipedia.org/wiki/Saturn_Ion look under the heading in bold 2007. Here is a pic from hotrodmagazine showing a e67 pcm Know Your E67 ECU - Hot Rod Network


It increases the HP and TQ so next is who can test this pcm on a 06-08 LE5 that way we can do the swap

also another question does the 2007 2.2 Ion2 use a 58x trigger on the crank ? I thinknot
What makes you think that simply swapping the ecm will net you more power? Yes the 07 ions use the e67, not the e37. The e67 is also the factory ecm for all 06-07 LE5s. And yes 07+ l61s use 58x trigger wheels.
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Old 03-25-2017, 10:46 AM
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Thanks for the reply and update Slowbalt2000. I am new to this site and just tryna learn and then decide how to go about doing the swap. As for your question I would suspect the compression ratio goes up or the VVT LE5 head increases the hp/tq on the stock 2.2 ecotec (L61) or both. For now I am looking at upgrading to a 2007+ 2.4 LE5 engine for starters.
I think the engine upgrade would be plug & pray, what do you think ?

https://www.cobaltss.net/forums/memb...alt2000-60097/
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Old 03-25-2017, 03:37 PM
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I swapped an le5 into my car but i did it the hard way. I believe if you just use the 2.4 engine wiring harness and computer, the only thing you might need to do is disable VATS which can be done with hptuners.
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