@eXo3901 So all I would need is to get a VX Nano and then download the SPS software to reflash and link my ECU? I also noticed there are several makes/models on Amazon do you have a favorite one you like?
Reflash question
If I reflash my ECU with a Tech2 or a Clone version do I need the security pin, or is that not needed? I ask because the Diablosport i2 didn't work to reset the computer.
21 - 40 of 241 Posts
The Amazon page for the VXNano has a bunch of options, just click the “GM” one. You’ll need to install some things like drivers and other hacky things from VXDiag. There is a VXDiag website where you download the stuff and if I recall there is detailed instructions there as well, if they don’t come with the device. I would just start with the basic drivers. Be ready for windows to yell at you.
edit link to VX install documents and the actual VX website page for the GM device. (I purchased from amazon, didn't trust the site.. haha)
Docs: https://www.vxdiagshop.com/upload/pro/21031116155159427787.pdf
Prod page: USB Version VXDiag VCX NANO for GM/OPEL 2022.5 GDS2 Tech2WIN Diagnostic Tool
You’ll need to make an account on the Acdelco TDS site then purchase the $45 SPS license, this is tied to your VIN. Then, when you click the SPS programming stuff it should open and run the software from the browser. EDIT#2 I was wrong, looks like you need to go through and install the program. You still launch from your browser though, launching the actual software does not work as it wont let you log in. Launch from the browser and it should work.It should open up like an installed program, but it doesn’t really install anything that stays on your computer, maybe some temp files. After that it should find the device and won’t let you go any further unless it finds a device. Then there is a couple of option screens and “next” buttons. Followed by a programming “start” type of screen, it’ll program and then ask you to re-link the modules. This is we’re you’ll enter the security code. Should say successful and I think it’s done after that.
You can also purchase access to the full service manual and lookup the specific reprogramming procedure for the car. It will detail steps better than I did but the software kind of walks you through it anyways. I’d recommend at least having access to this whole programming for help with any issues that come up.
Your tuner should know all of this also, so feel free to confide in them during the process if you have questions. Hopefully they make themselves available to you, if you need.
edit link to VX install documents and the actual VX website page for the GM device. (I purchased from amazon, didn't trust the site.. haha)
Docs: https://www.vxdiagshop.com/upload/pro/21031116155159427787.pdf
Prod page: USB Version VXDiag VCX NANO for GM/OPEL 2022.5 GDS2 Tech2WIN Diagnostic Tool
You’ll need to make an account on the Acdelco TDS site then purchase the $45 SPS license, this is tied to your VIN. Then, when you click the SPS programming stuff it should open and run the software from the browser. EDIT#2 I was wrong, looks like you need to go through and install the program. You still launch from your browser though, launching the actual software does not work as it wont let you log in. Launch from the browser and it should work.
You can also purchase access to the full service manual and lookup the specific reprogramming procedure for the car. It will detail steps better than I did but the software kind of walks you through it anyways. I’d recommend at least having access to this whole programming for help with any issues that come up.
Your tuner should know all of this also, so feel free to confide in them during the process if you have questions. Hopefully they make themselves available to you, if you need.
Thank you very much you have been a great help! If you ever need a kidney let me know and I'll find someone for you 😆
@eXo3901 Thanks I'm going to do like you and get it off Amazon also Thanks for the editing there was a couple of questions I had but you beat me to them in your edit.
Well step one complete I ordered VX Nano today.
@eXo3901 It came in and I got the subscription now it looks like I just need to watch the video that came with it and set it up.
Holy Hell this is a pain
That’s the part where you need to enter the security PIN.
The only time it asked for the IMMO pin was when I did the ECU, and of course I put it in.That’s the part where you need to enter the security PIN.
GTO Service manual states:
SECURITY CODE:
Is a 4-digit code used for linking the ECM to the PIM. The Security Code is also known as the Immobilizer or IMMO Code. When looking up the Security Code information in GM Global Connect it will be referred to as the IMMO code in Key Code Lookup. When referring to the original Security information given to the customer at purchase the code is identified as the "SECURITY CODE". Note: Security information is located on a Security Card that comes with the vehicle during shipment. If the Security Card is lost or not available the Parts Department Manager (or Dealership Personnel that have access to KeyCode Look Up) can access the information with the VIN in GM Global Connect under KeyCode Look Up.
REPLACING OR PROGRAMMING AN ECM:
Note: If the incorrect security code is used, a timer is started in the PIM. Every time an incorrect code is used, the timer will double. The only way to run the timer down, so that programming can be completed, is to leave the ignition in the Run position. The SPS screen timer will not increment down while timing down, please wait until the SPS screen displays to enter security code information once again.
- Program the ECM Using Pass-Thru programming.
- After the ECM is programmed, the PIM needs to be linked to the ECM (Follow the tips above). With the scan tool still installed and setup for "J2534 Tech2" programming, turn the scan tool on and leave it on the start screen (Title Screen)
- On TIS select Service Programming System
- Select "J2534 Tech2", Replace and Program ECU, and Vehicle
- Build vehicle on TIS screen
- Follow on screen prompts
- Verify the VIN is correct as compared to the VIN plate on the car.
- Select PIM; PIM to PCM Linking (J2534)
- Follow on screen prompts
- Select PIM (GMLAN) Link to ECM (GMLAN)
- Enter 4 digit Security Code or IMMO code if using KeyCode information.
- Follow on screen prompts. Message PIM Link to PCM Successful should be displayed
- Cycle ignition off and remove key for 30 seconds.
- Perform a CKP System Variation Learn Procedure. CKP learn is available in the "Powertrain" - "Special Functions" > "Engine Output Controls" > "Learn Procedures".
Thank you very much! Holy Hell that makes it so much clearer.GTO Service manual states:
Could you or someone else use your software and connections to look up my IMMO? That's the only important piece of data the dealership didn't provide me for my 04. (I have the security card for the 06.)Thank you very much! Holy Hell that makes it so much clearer.
i have a sneaking suspicion that if you did have a key code lookup done, you did get the code, it just wasn't called the "IMMO" code on the printout.Could you or someone else use your software and connections to look up my IMMO? That's the only important piece of data the dealership didn't provide me for my 04. (I have the security card for the 06.)
i think i got a "trunk" code with my 04 key code lookup, which made no sense to me at the time. going to look at it when i get home to see if it's 4 digits.
The only four digit codes I got were "radio PIN" and "GloveBox Code". The glovebox code was used to cut my glovebox keys. The sections left blank were VATS Code, Storage Key and IMMO Code.i have a sneaking suspicion that if you did have a key code lookup done, you did get the code, it just wasn't called the "IMMO" code on the printout.
i think i got a "trunk" code with my 04 key code lookup, which made no sense to me at the time. going to look at it when i get home to see if it's 4 digits.
interesting.The only four digit codes I got were "radio PIN" and "GloveBox Code". The glovebox code was used to cut my glovebox keys. The sections left blank were VATS Code, Storage Key and IMMO Code.
the only reason i'm speculating about the trunk key code is that, well, there's no trunk key.
i'll still look at the printout when i get home in the morning.
i also haven't played with the tech ii and my 04, i'll have to next week while i'm off of work.
ok, i just had the wife send me a snap shot. 
the "trunk key" code for my 04 is a 4-digit code.
you sure yours isn't, @Rich-Tripower ?
EDIT: well, it seems like it's the same code as the ignition key code, with the exception that the ignition key code has a letter in front of it.
well, there goes that idea.
the "trunk key" code for my 04 is a 4-digit code.
you sure yours isn't, @Rich-Tripower ?
EDIT: well, it seems like it's the same code as the ignition key code, with the exception that the ignition key code has a letter in front of it.
well, there goes that idea.
Noticed this on the VXDIAGSHOP / VCXNANO website. Not a concern?
Supports GM Chevrolet Cadillac GMC Buick Hummer from year 2000 to 2020. Only GDS2 supports Opel and Saab. Tech2Win DOESN'T support Opel and Saab (2000-2010). DOES NOT do Holden.
Supports GM Chevrolet Cadillac GMC Buick Hummer from year 2000 to 2020. Only GDS2 supports Opel and Saab. Tech2Win DOESN'T support Opel and Saab (2000-2010). DOES NOT do Holden.
They Probably mean actual legit Holden's, not Pontiacs built by Holden to ship to the US market.Noticed this on the VXDIAGSHOP / VCXNANO website. Not a concern?
Supports GM Chevrolet Cadillac GMC Buick Hummer from year 2000 to 2020. Only GDS2 supports Opel and Saab. Tech2Win DOESN'T support Opel and Saab (2000-2010). DOES NOT do Holden.
21 - 40 of 241 Posts
LS1GTO Forums
LS1GTO.com is a forum community dedicated to the LS1 Pontiac GTO. Come discuss mods, horsepower, engine specs and more!
Full Forum Listing
Explore Our Forums
Top Contributors this Month
View All
wildey475mag
423 Replies
MannyLobo
305 Replies
Olly
277 Replies
