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I was able to do the segment swap but unfortunately that didn't solve the issue. Is there any way to use a multimeter or something to check the signal in the wire to the ECM?

You are correct, I started all of this with an auto ECM and replaced it with one from a manual. I think I've tried every combo in the speedo tab. I think your right that it comes down to the ECM in...

Hello,
From what I see in the service manual it gets the signal from the trans. I had heard conflicting info on that and that's why I tried the DD unit. Both the VSS and the DD box will send the...

Unfortunately no, I feel like I've tried everything. I'm still open to any suggestions.

Sorry yes the engine/trans is from a 13 Camaro SS with a manual vin 2G1FT1EW7D9133797. The main issue. Having is with the VSS so an ECM that was from a manual seems to be key. I feel like I can do...

I'm still having issues. I sent my ECM off to someone who said they could program it. Now I find out he's using HPTs and I tried to tell him that HPT doesn't program all the sections needed.

This...

Thank you so much, I really appreciate your help. I've been driving myself crazy trying to get it to work. Now I guess I have to figure out what to do next.

Ordered a replacement e38 and it came from a Silverado but mine is a manual and I know that can cause some issues with VSS and those are the issues I'm having.

If the LOG has my VIN should I be...

here is my current Tune

I am stuck on an issue with my VSS and I need some expert help.

I've been working on this for a few weeks so I would love some help.

My setup
LS3 from 2013 Camaro SS
t6060 with t56 magnum...

I'm thinking this might be the cause of my VSS issues. Is there a go to place to send these off to or does everyone just go to their local dealer?

Can you do this yourself for a reasonable price or do you have to have a dealer do it?

I've been working on this for a few weeks so I would love some help.

My setup
LS3 from 2013 Camaro SS
t6060 with t56 magnum conversion
Dakota Digital Gauges
on my 2nd e38 ECM trying to solve...

Thanks for the tool! I guess I'm just confused by all the different information I've read. When I use the tool, I get my same os so maybe that's not my speed issue after.

So I think I have a lead on my VSS issue. The ECM has my VIN from a 2013 Camaro SS manual but is using OS 12653674 which is an auto Silverado but I have a T-56. Is there a away to change the OS to a...

Did you ever get this all worked out. I'm having the same issue as you were having originally but with a t-56 Mag. I change my ECM to a manual one but I'm still getting 0 VSS so I was wondering what...

Hello,
I'm stuck with a VSS problem. I have a LS3 w/T56 Mag and E38. Currently I have the VSS going from the T56 to the DD box and everything reads correctly on the gauges. I am now trying to use...

Thanks for the suggestion. Tried it this morning and still veh speed reading 0. I'm going to dig in to the Dakota Dig settings to make sure there is nothing I need to change in there. If I have any...

Sorry I should have mentioned that I am also using DD RTX gauges with GPS. Thanks for the info because I didn't know i couldn't use the normal VSS from the t56. I have tried both the standard VSS...

Glad you worked out your issue! I'm having a similar problem, just got my swap on the road but I'm getting no speed at all at the ecm. I have a e38 ls3 manual from a Camaro and had help wiring it but...

I run e85 on another vehicle and other than having the right tune you'll want to add some lubrication to your fuel. I use this
https://www.summitracing.com/parts/PLU-19769-31?rrec=true
E85 doesn't...

I have a 77 C10 with an LS3 swap from a 13 Camaro. The tune seems way far off(super rich) so I wanted to start fresh with stock values. I see a few "stock" tunes in the repository but they are very...