TRNW-2: TCM waveform on my scanner from a 08 Humer H3

[donnadan at gilanet.com]

Thanks guys! I will see if I can get a refund from them. (good luck!) -- I know. 


From: "TRNW2" <trnw2 at trnw.net> 
To: "TRNW2" <trnw2 at trnw.net> 
Sent: Thursday, August 7, 2025 12:13:14 PM 
Subject: Re: TRNW-2: TCM waveform on my scanner from a 08 Humer H3 

flagship one your lucky it worked at all get another tcm and not from them ever they are know dam good. 

donnadan--- via trnw2 wrote on 8/7/2025 1:57 PM: 



Tod, it is the 4L60e line, and the code is (P0961) Pressure Control Solenoid “A” Control Circuit Range/Performance issue. I got a TCM from Flagship One, and it seemed to work at first, but it is acting up again now. I was thinking that since these are used TCMs that are being tested and flashed, maybe I got one that was on the verge of failure. I have heard that it is a common issue for these Hummers. 


From: "TRNW2" [ mailto:trnw2 at trnw.net | <trnw2 at trnw.net> ] 
To: "TRNW2" [ mailto:trnw2 at trnw.net | <trnw2 at trnw.net> ] 
Sent: Thursday, August 7, 2025 11:24:19 AM 
Subject: Re: TRNW-2: TCM waveform on my scanner from a 08 Humer H3 



What transmission model does it have? 


What is the code it is setting? 

Tod 
On 8/7/2025 9:58 AM, donnadan--- via trnw2 wrote: 

BQ_BEGIN

I still have not received any replies on this issue. Anyone there? 


From: "DAN OR DONNA STEWART" [ mailto:donnadan at gilanet.com | <donnadan at gilanet.com> ] 
To: "DAN OR DONNA STEWART" [ mailto:donnadan at gilanet.com | <donnadan at gilanet.com> ] , "TRNW2" [ mailto:trnw2 at trnw.net | <trnw2 at trnw.net> ] 
Sent: Wednesday, August 6, 2025 12:30:07 PM 
Subject: Re: TRNW-2: TCM waveform on my scanner from a 08 Humer H3 

Okay, now it's going into default again. I am thinking this used and recalibrated (for this VIN#) TCM is not working right. Any experience you guys might have with this would be welcomed. 


From: "TRNW2" [ mailto:trnw2 at trnw.net | <trnw2 at trnw.net> ] 
To: "TRNW2" [ mailto:trnw2 at trnw.net | <trnw2 at trnw.net> ] 
Sent: Saturday, August 2, 2025 3:21:37 PM 
Subject: TRNW-2: TCM waveform on my scanner from a 08 Humer H3 

Does anyone have an example of a scanner waveform, commanded and actual? I am getting hash when the amperage changes. I can't remember what this should look like. It came in under default, and I could not manually make the amperage change with the scanner, so I changed the TCM after testing the circuit through the PCS to TCM. It still kept setting PCS code and default, so I changed the solenoid from new style to old style, and it seems to work ok, but occasionally I still see the code, even though it is not going into default. Hope this makes sense. 

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

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