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- Allison 5sp: - P0776 - Do I have big problems? - DuramaxDiesels. com
Mike, I was getting on my truck tonight and thought I limped it (felt just like limp when it dropped to 3rd and threw a CEL) Code I got was P0776 - PCS B Stuck Off I found two threads with this code One had no replies, and in the other, you indicated a tie up I'll admit it's been a while since I changed the spinon
- Limp Mode P0700 P0776 - DuramaxDiesels. com
I eased back into it just to get up to speed and it threw itself into 3rd gear limp mode, CEL etc I was able to take some back roads to get it home and plugged my solus scanner into it and pulled the code P0700 and P0776 I've been through the wiring at the TCM, checked wiring for any exposed copper or abnormalities at the NBSU switch
- Allison 5sp: Help with P0776 I have a scantool and some knowledge
Try letting it warm up longer as you have defective sealing rings which cause converter drain back It will take a while longer to fill the system properly as too much fluid drained out after sitting The P0776 code is a tie up ( 2 gears at once ) Happens quite often with a stock trans and power programmer
- P0776, P2724, P0770 w Built Trans? | DuramaxDiesels. com
P0776, P2724, P0770 w Built Trans? Thread starter Cornell; Start date Jan 6, 2010; Forums Duramax 6 6
- Code P0776????HELP - DuramaxDiesels. com
Driving down the highway and tranny shifted from six to fifth and wont shift out of fifth The truck through a P0776 code Already cleared the codes a couple of times, but keeps acting the same What would cause this and how could i fix it
- Allison 6sp: LMM p0776 reverse works but no forward gears
Truck has thrown p0776 a couple times Converter would not lock in under wot would limp into 2 or 3, clear code and truck would run and shift just fine Now truck only goes in P, R, and N Putting into either D,M, or 1 all results in the same dash shows shift inhibited return to N
- P0776 story from line failure Allison 6 SPEED LMM 09
Long story short, I blew a trans cooler line almost a month ago Got a dealer replacement Refilled at temp, cleared codes and drove fine for about a day Then would get recurring p0776 and stuck in 3rd gear that's it It still has reverse But hard shifting all over the place My scanner
- 2013 LML Reverse Only, No forward | DuramaxDiesels. com
In this case, it first presented as a random p0776 no burnt fluid or metal on initial pan inspection Initial tear down only saw a very slight C1 clutch plate discoloration on 1 of 16 discs but loss of disc thickness of 05 on the rest indicating excessive wear, with the rest of the packs just fine
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