FYI - No AlphaOBD for the 2025 Ram 1500 (for now at least)

[Tacopimp]

I thought I would post this here for anyone who is trying to make updates to the new 2025's with AlphaOBD. Unfortunately, Ram has changed the configuration and the connections for the security gateway module. The old connectors do not hook up to the current bypass cables. I did a lot of searching over the last 2 weeks to try and locate the security gateway module, till I learned I was looking at it all along and it wasn't the module that was in my previous 2021. Further research then revealed that Ram has in fact changed the module. So until someone comes up with a new cable we cannot make any changes ourselves...

 

[RamDiver]

I thought I would post this here for anyone who is trying to make updates to the new 2025's with AlphaOBD. Unfortunately, Ram has changed the configuration and the connections for the security gateway module. The old connectors do not hook up to the current bypass cables. I did a lot of searching over the last 2 weeks to try and locate the security gateway module, till I learned I was looking at it all along and it wasn't the module that was in my previous 2021. Further research then revealed that Ram has in fact changed the module. So until someone comes up with a new cable we cannot make any changes ourselves...

Have you looked at the KaodTech Security Bypass Cable?

It connects to the Can bus and OBD2 connections regardless of where the security gateway is stashed with whatever connectors are installed.

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[Jimmy07]

Have you looked at the KaodTech Security Bypass Cable?

It connects to the Can bus and OBD2 connections regardless of where the security gateway is stashed with whatever connectors are installed.

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2025’s use a different canbus architecture, and there are no canbus junction blocks like the kaodtech bypass plugs into. All of the modules are “daisy chained” together on several different “networks”, and they all go through the security gateway, which is now completely different. I’ve been messing with a new gateway on the bench for a while now, and it’s not going to be as easy as the older style gateway bypass cables.

Even after the gateway is bypassed, it’s not the same using alfaobd as everyone is used to on the pre-2025 ram trucks. After making configuration changes, you need to perform a proxi alignment so all the modules get “aligned” with the newly introduced changes.

 

[RamDiver]

2025’s use a different canbus architecture, and there are no canbus junction blocks like the kaodtech bypass plugs into. All of the modules are “daisy chained” together on several different “networks”, and they all go through the security gateway, which is now completely different. I’ve been messing with a new gateway on the bench for a while now, and it’s not going to be as easy as the older style gateway bypass cables.

Even after the gateway is bypassed, it’s not the same using alfaobd as everyone is used to on the pre-2025 ram trucks. After making configuration changes, you need to perform a proxi alignment so all the modules get “aligned” with the newly introduced changes.

Thanks for the detailed explanation Jimmy, excellent info as usual.

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[Tacopimp]

Have you looked at the KaodTech Security Bypass Cable?

It connects to the Can bus and OBD2 connections regardless of where the security gateway is stashed with whatever connectors are installed.

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Yes of course. That is why I stated that you cannot use the old style cables that worked on previous years. The new Rams don't have the option to plug the bypass cables into. And even when someone comes up with a cable I don't believe that AlphaOBD is going to work as it previously has.

 

[Jimmy07]

Yes of course. That is why I stated that you cannot use the old style cables that worked on previous years. The new Rams don't have the option to plug the bypass cables into. And even when someone comes up with a cable I don't believe that AlphaOBD is going to work as it previously has.

The 2023 WL grand Cherokee uses the same bcm as the 2025 rams, so just for the heck of it in the meantime, you can try connecting to your body computer as a 2023 WL, and see if you can navigate around. You’ll have to go into alfaobd settings and check the box for “do not verify ECU”.
See if you can read things like system status and system ID…

 

[Tacopimp]

The 2023 WL grand Cherokee uses the same bcm as the 2025 rams, so just for the heck of it in the meantime, you can try connecting to your body computer as a 2023 WL, and see if you can navigate around. You’ll have to go into alfaobd settings and check the box for “do not verify ECU”.
See if you can read things like system status and system ID…

Without the bypass cable? Just connect the OBDII reader to the truck and connect?

 

[Jimmy07]

Without the bypass cable? Just connect the OBDII reader to the truck and connect?

Yes

 

[Tacopimp]

Yes

Ok. I will take a look at that tomorrow.

 

[22BoR]

Thx Tacopimp any update you can share (Thx). i also want to add on "trailer brake controller" on my new 2025 Bighorn which i missed it when i purchased it and want to add it myself which from watch Ytuber "Ironically Engineered" how to edit OEM Trailer brake which is not that complicated at all if someone has these parts and SW to do it.

 

[USArmyCP]

Ok. I will take a look at that tomorrow.

Any updates?

 

[dgrinstead44]

Is there an ETA for AlfaOBD and the 2025 Rams?

 

[RamDiver]

Posted September 5, 2024
Thx Tacopimp any update you can share (Thx).

Posted November 13, 2024
Any updates?

Posted 23 minutes ago
Is there an ETA for AlfaOBD and the 2025 Rams?

Tacopimp hasn't been here in a while and doesn't seem interested in sharing.

I wouldn't be holding my breath for an AlfaOBD solution arriving anytime soon or possibly anytime at all.

The information in this thread suggests it will never happen unless more vehicles adopt this recent architecture known as High Atlantis.





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[metalchewy]

Is there an ETA for AlfaOBD and the 2025 Rams?

You could reach out to the https://alfaobd.com/ support email on their page and ask

 

[dgrinstead44]

You could reach out to the https://alfaobd.com/ support email on their page and ask

I did 2 days ago... nothing so far.

 

[Tacopimp]

I think its probably going to be at least a year or 2 before there is any breakthrough in getting AlphaOBD on the 2025s. There just aren't enough trucks out there yet with the new systems. Once there are more of these out there, then they will probably see the need to develop what is needed to get into the BCM to make this work.

 

[Old Curmudgeon]

Will the MX+ at least read data and clear codes while we wait? Looks like I just wasted $ on a bypass since the kaodtech site doesn't exclude 2025 in its listing's.
I should add, if it matters, mine is a 2500.

 

[joesstripclub]

Will the MX+ at least read data and clear codes while we wait? Looks like I just wasted $ on a bypass since the kaodtech site doesn't exclude 2025 in its listing's.
I should add, if it matters, mine is a 2500.

I would think you should be able to read and clear codes at least. The HD trucks have been separated from the 1500s as far as programming is concerned for a while now. I wouldn't assume your bypass cable doesnt work, but I was just looking at their site pondering if the 25 and up HD would still work. If you get it and try it out keep us posted if it works or not.

 

[RamDiver]

Will the MX+ at least read data and clear codes while we wait? Looks like I just wasted $ on a bypass since the kaodtech site doesn't exclude 2025 in its listing's.
I should add, if it matters, mine is a 2500.

According to this attached Stellantis document, the 2025 HDs also use the Atlantis data architecture.

And, this excerpt I scooped.





I refer you to Jimmy's post #6 above and suggest you try his recommendations.

https://www.ramforum.com/threads/fyi-no-alphaobd-for-the-2025-ram-1500-for-now-at-least.211201/post-2930976

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[Old Curmudgeon]

The MX+ seems to work for non-programming functions at least. OBDLink reads/lists a bunch of PIDs even though I can't seen to find trans temp anywhere. If it's on the dash it should have a PID.
Some PIDs have weird scaling, but it's a start.
Since there's no bus taps to plug into, I'm going to return the bypass cable. Kaodtech offered a refund and has updated their site to omit 2025 from compatible years.