Conversions & Swaps LSX Engines in Non-LSX Vehicles
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Old Feb 20, 2021 | 07:25 PM
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Default CTSV - Swap Questions.

Hi all,

I am installing a paired combo of a 2013 LSA 6.2 supercharged and the 6L90E tranny that came from a 2013 CTS-V.

I am also running the factory harness that we have modified, but I am still getting P0100 codes which indicate loss of communication in the CAN network, and I have successfully installed a 120 ohm resistor at the OBDII port which is now reading the correct 60 ohms across the terminals.

We are on the final streak and are looking for some knowledge advice from some of you experienced people.

Since the removal of the body module and the ABS module etc, we are wondering whether we need to be using another pair of twisted CAN wires that are connected to the transmission plug connector.

For some reason, there are 2 x sets of power/earth feeds and 3 x sets of CAN pairs within the 16 pin transmission connector.

Does anybody know what these extra feed are for and if I need to uses them now that the body/ABS modules are gone?

Do I need to swap pairs or does the transmission not too worried?

Cheers
Craig

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Old Feb 21, 2021 | 10:44 AM
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can you list the pin numbers for the wires you're wondering about?
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Old Feb 21, 2021 | 08:47 PM
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Originally Posted by 350SS
can you list the pin numbers for the wires you're wondering about?
Hi 350...

I am talking about pin 1,2 4,5 and also whether I should swap any of the CAN feeds?

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Old Feb 21, 2021 | 09:25 PM
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i don't have first hand experience but i looked over this stuff a bit learning for a future swap. these schematics i have don't have anything shown for pins 1,2

not totally sure what you mean by swap the can feeds. the stuff i've seen have two can wires in and two can wires out. not sure where the 3rd pair comes from or what it does in the ctsv application. you should be able to get the schematics you need form alldata for pretty cheap from what i recall.

take a look at the schematics attached and let me know if they help answer your questions. if you're needing help wiring the can bus wires correctly let me know and i'll try to explain what is my understanding about it
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Old Feb 21, 2021 | 09:26 PM
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the schematics in this thread may be helpful also

https://ls1tech.com/forums/conversio...ng-thread.html
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Old Feb 22, 2021 | 01:15 PM
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Originally Posted by 350SS
the schematics in this thread may be helpful also

https://ls1tech.com/forums/conversio...ng-thread.html

Thanks for your input 350, I will look into this...

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Old Feb 22, 2021 | 06:06 PM
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good luck. post up your results if you can
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Old Feb 23, 2021 | 02:38 AM
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Originally Posted by 350SS
good luck. post up your results if you can

Yes, will do!
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Old Apr 12, 2021 | 01:59 AM
  #9  
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ok guys,

So we got the thing running really good.

The issue was that some of the codes in HP Tuners were not actually turning off until you hovered over the RH side of the DTC and chose what ACTION to take when the code was issued. This is completely different from simply ticking the boxes on the DTC lists. (I guess some of you probably already knew this!!!)

All codes to do with the body modules and other deleted stuff no longer created actions so she fired straight up and started shifting through gears perfectly!

Cheers for your help...

Craig
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Old Apr 12, 2021 | 12:07 PM
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that's news to me on the way to turn off the dtc's in your case.

nice work getting it sorted out
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