What's new
By:
Ram Heavy Duty Forum

Register a free account today to become a member! Once signed in, you'll be able to participate on this site by adding your own topics and posts, as well as connect with other members through your own private inbox!

AlfaOBD and 2023 Ram 3500

3

3500_Gasser

Member
Messages
54
Reaction score
81
Points
18
I'm trying to change a setting in AlfaOBD, in order to disable the notification "Active Tuned Mass Module Temporarily Unavailable"

Jimmy07 here on the forum was kind enough to point me towards the setting I need to change: disable P/T Chassis Net: Active Tuned Mass Module

However, the change to "Disable" doesn't seem to stick. Instead, AlphaOBD says:
"Procedure completed, but status is unknown" and suggests an OBD interface issue. See attached image for more detail.

For OBD connector, I am using a 2019 model OBDLink MX (Model MX101) that shows a manufacture date of 2019.09.29

I believe that My OBD connector is compatible (?) Any suggestions welcome. Thanks.
 

Attachments

  • Screenshot_20231029_120422_AlfaOBD_2.jpg
    Screenshot_20231029_120422_AlfaOBD_2.jpg
    238.6 KB · Views: 35
Jimmy07 said:
You need to use a bypass to make changes with alfaobd.
Click to expand...
Thanks, just ordered bypass cable on Amazon. Hopefully it comes with instructions.

Where are the connections are made on a 2023 RAM 3500? Under the steering wheel, or on passenger side?
 
3500_Gasser said:
Thanks, just ordered bypass cable on Amazon. Hopefully it comes with instructions.

Where are the connections are made on a 2023 RAM 3500? Under the steering wheel, or on passenger side?
Click to expand...
This is the type of bypass you should get for your truck:
www.kaodtech.com

Security Module Bypass | KaodTech

Will Ship 3-5 Business Days after OrderIf you have a 2018 - 2024 RAM and would like to perform diagnostics or make changes to the modules of your truck using tools like AlfaOBD or AutoEngenuity, this bypass is for you.Does this allow access to all modules?It has been tested connecting to the BCM...
www.kaodtech.com www.kaodtech.com

This is where it plugs in:
hdrams.com

2019 HD Security Gateway Module Location for Programmer

There is nothing quite like taking apart the whole dash on a brand new truck to find a module that is so far stuck into the truck that you have to take the dash apart..... Well it wasn’t quite that far back but you had to know where to look. When I bought my 2019 Ram Power Wagon one of the...
hdrams.com hdrams.com
 
It’s all on the driver side. I think the instructions from the kaodtech site might be better…


Sent from my iPhone using Tapatalk
 
Ionicbrick said:
Interesting… I have a 2022 and was looking at this one, but was under the impression the bypass needed to connect directly to the CAN bus. Is that not the case with the 2023’s?


Sent from my iPhone using Tapatalk
Click to expand...
hmmm...maybe I'm misunderstanding, but based on the photo below, the Exctool does appear (to me) to connect directly to CAN C and CAN IHS.

If I am understanding correctly, the Kaodtech cable seems to be a more versatile design that incorporates a "Y" cable to allows for different configurations (temp vs permanent install). At least that's what I gathered from downloading the install instructions at the kaodtech site. I would guess the kaodtech is also a higher-quality build.
 

Attachments

  • exctool.JPG
    exctool.JPG
    82.1 KB · Views: 23
3500_Gasser said:
hmmm...maybe I'm misunderstanding, but based on the photo below, the Exctool does appear (to me) to connect directly to CAN C and CAN IHS.

If I am understanding correctly, the Kaodtech cable seems to be a more versatile design that incorporates a "Y" cable to allows for different configurations (temp vs permanent install). At least that's what I gathered from downloading the install instructions at the kaodtech site. I would guess the kaodtech is also a higher-quality build.
Click to expand...
That Amazon one will work, it’s just a different method of bypassing that involves disconnecting the security gateway itself, which is behind the instrument cluster on the HD Rams. Removing the instrument cluster is a bit of a pain compared to installing the kaodtech style bypass.
 
get the one Jim suggested. pop the driver side cover off and each end of the bypass is labeled. stick the corresponding pigtail into the terminal blocks ( pay attention to the block base color ) and you're good to go.
 
3500_Gasser said:
hmmm...maybe I'm misunderstanding, but based on the photo below, the Exctool does appear (to me) to connect directly to CAN C and CAN IHS.

If I am understanding correctly, the Kaodtech cable seems to be a more versatile design that incorporates a "Y" cable to allows for different configurations (temp vs permanent install). At least that's what I gathered from downloading the install instructions at the kaodtech site. I would guess the kaodtech is also a higher-quality build.
Click to expand...

Send that Amazon cable back or cancel the order if you can. You do not want to mess with pulling the EVIC just to install a bypass cable.

The HD style cables like the KaodTech plug in behind the headlight switch, the panel just pulls off for access.
 
Update: using the KaodTech cable, I was able to change the setting. Thanks again for the help.

Afterwards, I left the color-coded leads of the bypass cable plugged into the CAN blocks. I then disconnected the two OBD-type connectors at the other end of the cable, and zip-tied those connectors out of the way, leaving the factory OBD port in its original location.
 
Last edited:
Is there is a security risk in leaving the 2 CAN blocks jumpered together with the KaodTech cable, when the Kaodtech cable is NOT plugged into the factory OBD port?
 
Might be a little off topic but I have a 2012 Ram 1500 and I am getting this same exact message? I shouldn’t need the bypass cable right? It’s only 2018 plus that needed it I thought? I’m using Alfaobd with a obdlink cx and an android tablet
 
Bnw1104 said:
Might be a little off topic but I have a 2012 Ram 1500 and I am getting this same exact message? I shouldn’t need the bypass cable right? It’s only 2018 plus that needed it I thought? I’m using Alfaobd with a obdlink cx and an android tablet
Click to expand...

You do not need a bypass cable for pre 18 HD. There is no SGM.

1500. Dunno.
 
Last edited:
Brutal_HO said:
You do not need a bypass cable for pre 18 HD. There is no SGM.

1500. Dunno.
Click to expand...
I figured it out. It was the OBDLink cx it wasn’t fast enough or strong enough I believe. But I got the OBDLink Mx+ and it worked flawlessly
 
You must log in or register to reply here.
Back
Top