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-   -   PCM/TCM Upgrade Help (https://www.chevyhhr.net/forums/problems-service-repairs-42/pcm-tcm-upgrade-help-23608/)

Popi May 18, 2009 12:12 PM

PCM/TCM Upgrade Help
 
Since i couldn't find anything in the forums on ths, I thought I'd start a new Thread, so here goes:

I had a TCM & PCM reflashed for better performance and driveability. I had trans slipping issues as reported by others.

:confused: My 1st problem is that I cannot get the GD (that's GAUL DARN in text lingo :thumb: ) connectors off!!! They seem to have a multiple release mechanism. I can release the primary (slip-lock & pivot lever) which partially disengages the connector, but then it seems to lock at another level. It comes up about 3/16" and stops. There must be another latch somewhere, but I cannot find it. :red:

Any suggestions? Pictures would be helpful. Once I get this solved, I'll report on the TCM/PCM programming.

ChevyMgr May 18, 2009 01:34 PM

I'm not sure what you are trying to release? :confused:


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