TRNW-2: AC Delco TDS

Thu Mar 27 07:34:20 PDT 2025

It worked here today BUT that program stinks like a septic tank!   It is so finicky.  SPS WAS GREAT.  SPS2 had some issues but TLC has had so many issues.  Ridiculous.

Get Outlook for iOS<https://aka.ms/o0ukef>
________________________________
From: trnw2-bounces at trnw.net <trnw2-bounces at trnw.net> on behalf of Tod Chretien via trnw2 <trnw2 at trnw.net>
Sent: Thursday, March 27, 2025 9:10:43 AM
To: trnw2 at trnw.net <trnw2 at trnw.net>
Subject: Re: TRNW-2: AC Delco TDS

It fails just after I enter the TUN, but that is not the issue. I tried multiple times and I am definitely entering the correct TUN number. So I tried to reprogram the ECM and I get the same error. 'GDS2 is not communicating with the device'.

What GM is doing here should be against the law!

--
Best Regards,
Tod Chretien
TRNW Inc.
https://www.trnw.net

On 3/27/2025 6:15 AM, Chris and Cathy Kershaw wrote:
When does it fail? I fought one recently, 8 speed new valve body. It turns out I was reading the numbers wrong, when I slowed down and read/entered the correct numbers it went right through.
On Thu, Mar 27, 2025 at 8:57 AM Tod Chretien via trnw2 <trnw2 at trnw.net<mailto:trnw2 at trnw.net>> wrote:

My account isn't locked. Programming just doesn't work. Major bummer. I have a 10L80 that we rebuilt and replaced the valve body. I need to program the new TUN. Can I just drive this thing out?

The quick learn function doesn't work with my Snap-on scanners because it doesn't recognize when the transmission selector position is in Drive. 🙁

--
Best Regards,
Tod Chretien
TRNW inc.
https://www.trnw.net

On 3/26/2025 3:09 PM, Dan Hogan via trnw2 wrote:
Another thread about the use of VPNs violating the EULA and terms of use for TechLine Connect.  The previous thread appears to confirm they will ban your account.

I knew GM was logging IPs and is looking for strange user behavior and location data on how they are authenticating users.

Be aware.

https://diag.net/msg/m1w0r7mqglx88lmobhoegsz9d9

---

Dan Hogan

Buster's Transmission Service

https://busterstransmission.com

704.847.5321

________________________________
From: trnw2-bounces at trnw.net<mailto:trnw2-bounces at trnw.net> <trnw2-bounces at trnw.net><mailto:trnw2-bounces at trnw.net> on behalf of Dan Hogan via trnw2 <trnw2 at trnw.net><mailto:trnw2 at trnw.net>
Sent: Wednesday, March 26, 2025 6:01 PM
To: Technical Discussion Forum <trnw2 at trnw.net><mailto:trnw2 at trnw.net>
Subject: Re: TRNW-2: AC Delco TDS

GM has made a big mess it appears with an update, but could be intentional.

Some folks are not being affected and others are.  May be related to their previous crackdown on counterfeit MDIs and some sort of escalation.  I have not seen a resolution yet.  Opus (DrewTech) hasn't made a comment I've seen yet.

The banners have info displayed.

[cid:part1.bJXrUCDl.vJSVhrAQ at trnw.net]

What passthrough are you using?

Here's a long thread about what sorts of things they are cracking down on.  Looks ugly.

https://diag.net/msg/m35o51ha7xvc5t7fdvkj1cnfsm<https://urldefense.proofpoint.com/v2/url?u=https-3A__diag.net_msg_m35o51ha7xvc5t7fdvkj1cnfsm&d=DwMGaQ&c=euGZstcaTDllvimEN8b7jXrwqOf-v5A_CdpgnVfiiMM&r=smOzNWPZu5-MBJg-0tkHhHoVW9xEBKdKWsMxBeFAJDZVJI6X79ZhQVJ_erT6I9aF&m=49aKIA3sw2pjy5Mq3S_s3wQVF6oOpkXcEuJyQTaB1ZS3vFxPYOiROlwYUehG09UG&s=TtyqLjK0i5I8p7_EtNB_mkD-K9bDW2K-GvLnEPZuMw8&e=>
[https://diag.net/file/f3hfwtb255ldpe0dy7aidk7xs9/md]<https://urldefense.proofpoint.com/v2/url?u=https-3A__diag.net_msg_m35o51ha7xvc5t7fdvkj1cnfsm&d=DwMGaQ&c=euGZstcaTDllvimEN8b7jXrwqOf-v5A_CdpgnVfiiMM&r=smOzNWPZu5-MBJg-0tkHhHoVW9xEBKdKWsMxBeFAJDZVJI6X79ZhQVJ_erT6I9aF&m=49aKIA3sw2pjy5Mq3S_s3wQVF6oOpkXcEuJyQTaB1ZS3vFxPYOiROlwYUehG09UG&s=TtyqLjK0i5I8p7_EtNB_mkD-K9bDW2K-GvLnEPZuMw8&e=>
Locked Account - ACDelco – Diagnostic Network<https://urldefense.proofpoint.com/v2/url?u=https-3A__diag.net_msg_m35o51ha7xvc5t7fdvkj1cnfsm&d=DwMGaQ&c=euGZstcaTDllvimEN8b7jXrwqOf-v5A_CdpgnVfiiMM&r=smOzNWPZu5-MBJg-0tkHhHoVW9xEBKdKWsMxBeFAJDZVJI6X79ZhQVJ_erT6I9aF&m=49aKIA3sw2pjy5Mq3S_s3wQVF6oOpkXcEuJyQTaB1ZS3vFxPYOiROlwYUehG09UG&s=TtyqLjK0i5I8p7_EtNB_mkD-K9bDW2K-GvLnEPZuMw8&e=>
I am trying to figure out what led to ACDelco locking my account. I usuall see the warning about the use of counterfeit MDI whenever I visit ACDelco website to log into my account and I thought it was just a warning deterring fake MDI users. I use CarDaq Plus 3 for programming the vehicles I go to work on as mobile programmer. I started having "Access Unauthorized with Destination System" error…
diag.net<http://diag.net>

---

Dan Hogan

Buster's Transmission Service

https://busterstransmission.com<https://urldefense.proofpoint.com/v2/url?u=https-3A__busterstransmission.com&d=DwMGaQ&c=euGZstcaTDllvimEN8b7jXrwqOf-v5A_CdpgnVfiiMM&r=smOzNWPZu5-MBJg-0tkHhHoVW9xEBKdKWsMxBeFAJDZVJI6X79ZhQVJ_erT6I9aF&m=49aKIA3sw2pjy5Mq3S_s3wQVF6oOpkXcEuJyQTaB1ZS3vFxPYOiROlwYUehG09UG&s=yFAQCzOOv9_gl9qpQLUPUjQh3oMhUvN-7MuXQumO2Uo&e=>

704.847.5321

________________________________
From: trnw2-bounces at trnw.net<mailto:trnw2-bounces at trnw.net> <trnw2-bounces at trnw.net><mailto:trnw2-bounces at trnw.net> on behalf of Chris and Cathy Kershaw via trnw2 <trnw2 at trnw.net><mailto:trnw2 at trnw.net>
Sent: Wednesday, March 26, 2025 3:47 PM
To: Tod Chretien <tod at trnw.net><mailto:tod at trnw.net>; Technical Discussion Forum <trnw2 at trnw.net><mailto:trnw2 at trnw.net>
Subject: Re: TRNW-2: AC Delco TDS

Guys on diag.net<https://urldefense.proofpoint.com/v2/url?u=http-3A__diag.net&d=DwMFaQ&c=euGZstcaTDllvimEN8b7jXrwqOf-v5A_CdpgnVfiiMM&r=smOzNWPZu5-MBJg-0tkHhHoVW9xEBKdKWsMxBeFAJDZVJI6X79ZhQVJ_erT6I9aF&m=ox32XtQ5fqRgSbRbiwa14Mw6YDD6rQUVdt5Q_DeZp4ogARfkNqJn7Uun89aOQGIl&s=dLLeMW0M5RDqiMmUpWrMpRbfLX0-UP5y8rwG7_T9CLw&e=> are saying issues using pass thru pro3 & other older drewtech j2534 devices.

On Wed, Mar 26, 2025 at 3:25 PM Tod Chretien via trnw2 <trnw2 at trnw.net<mailto:trnw2 at trnw.net>> wrote:
Is anyone else having problems programming a GM today with Techline Connect?

It seems like the J2534 wrapper they made me install is corrupt or
something. ???

I get to the final screen for reprogramming and then it sets an error
saying GDS2 is not communicating with the device. This is after I select
the module for reprogramming and select the programming options. It
should start the reprogramming session at that point but it gives me the
error instead.

--
Best Regards,
Tod Chretien
TRNW Inc.
https://www.trnw.net<https://urldefense.proofpoint.com/v2/url?u=https-3A__www.trnw.net&d=DwMFaQ&c=euGZstcaTDllvimEN8b7jXrwqOf-v5A_CdpgnVfiiMM&r=smOzNWPZu5-MBJg-0tkHhHoVW9xEBKdKWsMxBeFAJDZVJI6X79ZhQVJ_erT6I9aF&m=ox32XtQ5fqRgSbRbiwa14Mw6YDD6rQUVdt5Q_DeZp4ogARfkNqJn7Uun89aOQGIl&s=vALQ_EYND_uU_ym4_OHNGntf7ptzEjafpwQPxTEhujQ&e=>

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--
Best Regards,
Tod Chretien
TRNW inc.
https://www.trnw.net

This message was sent from the TRNW Technical Discussion Forum (trnw2). You were sent this message because you have subscribed to our mailing list. If you don't want to receive these emails from TRNW in the future, please unsubscribe here:
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--
Best Regards,
Tod Chretien
TRNW Inc.
https://www.trnw.net
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