6L90 no 3rd dtc P0752 solenoid 1 stuck on

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cnb
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6L90 no 3rd dtc P0752 solenoid 1 stuck on

Post by cnb » Sat Oct 07, 2017 11:57 am

Hey guys had this job come in this week. Truck had no forward, but reverse worked very well. Open the Tranny up and found the 35R piston cracked. Checkballs were also worn down did a full rebuild friction seals new PR valve new piston. I did scan the truck prior To us pulling the transmission there was no code present. After rebuild Tranny will not shift passed second gear. We get the code P0752 shift solenoid stuck on. When we check solenoid apply chart SS1 should be in the off range during 1 2 3 4 5 6. With the scanner on it's off in 1 and 2 but when we shift too 3 it comes on. Just wanna double check and make sure this is my issue here that we have a Bad techm. And help would be great fairly new to the 6L family but over alll a really nice Tranny to work on! Thanks

brettsb16a2
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Re: 6L90 no 3rd dtc P0752 solenoid 1 stuck on

Post by brettsb16a2 » Thu Oct 19, 2017 6:58 pm


brettsb16a2
Posts: 181
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Re: 6L90 no 3rd dtc P0752 solenoid 1 stuck on

Post by brettsb16a2 » Thu Oct 19, 2017 6:58 pm

I posted this a long time ago. pull the pan you might find a valve sticking out of its bore, as you can see a mechanical leak can cause a SS stuck on code.

cnb
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Re: 6L90 no 3rd dtc P0752 solenoid 1 stuck on

Post by cnb » Mon Oct 30, 2017 3:45 pm

All fixed thanks. Shift valve 3 was stuck open

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