Chevy and GMC Duramax Diesel Forum banner
  • Hey Everyone! Enter your ride HERE to be a part of this months Ride of the Month Challenge!

Discussions Showcase Albums Media Media Comments Tags Marketplace

1-12 of 12 Results
  1. Transmission Shop
    Hey all, I've got a 2003 LB7 Duramax with 240,000 miles and a Bully Dog tuner throwing p0700 and u2106. I know the p0700 is a MIL request from the TCM and the u2106 is lost communication with the TCM but I don't want to sink money into a new TCM if there's a cheaper fix. The truck shifts hard...
  2. 01-04.5 LB7 Duramax Powertrain
    Hi everyone I’m new here to the forum’s, anyways I have a 02 dmax 3500 all stock with a really big truck camper that lives on the flat deck. Anyways since I’ve purchased this heavier camper this spring I’ve been fighting speed sensor issues which puts the truck into limp mode. After changing a...
  3. Transmission Shop
    Hey there! First time posting but really need some help. 3 days ago I changed my tranny fluid, did lots of small driving and stuff around town, yesterday had to leave town for work and got 30min outside my home town and truck shifted hard into 4th no other gears. Well, obviously limp mode but I...
  4. Transmission Shop
    A few months ago the truck started getting stuck in limp mode everytime it drove. After some research and talking to a buddy, we found the plug on the back of the transmission was leaking internally. Sprayed it clean and the truck ran perfectly normal for a few weeks. Issue came back and we...
  5. 04.5-05 LLY Duramax Powertrain
    Hey guys I’m new on this thread as I’ve read a lot of these over a long period of time I’m finally posting to hopefully hear some good insight into what could possibly be the issue here. Here’s number one. 1. So I bought this truck as my first diesel not knowing anything about them... my...
  6. 911 Problems Forum
    Codes pulled via CTS2: P0088 P0089 P0700 U0106 P0307 P0463 P1093 2004 LLY. Truck doesn’t have a past with me unfortunately. Bought at auction. Truck displays service 4 wheel drive, and water in fuel. Only thing I’m concerned with is the trans right now. Truck goes into drive and reverse very...
  7. Transmission Shop
    Truck is throwing codes P0700, P0757 and P0847 after ripping her down the road. I have 120xxxmiles on my LBZ, deleted and tuned truck last month with MotorOps tunes sitting on 35" tires. truck wouldn't shift after check engine popped up. came to a stop, cleared codes and tried again. Truck...
  8. Transmission Shop
    Got code p0700 and p0960 they wont clear but for 5 seconds.checked tcm pins wiring and cant find anything. dont notice any driving problems. only thing ive noticed is manualy shifting 2nd to 3rd feels like a little slip between 2400-2700 rpm. got this code while plowing with a stock tune.
  9. 06-07 LBZ & LLY Duramax Powertrain
    anybody know if a transgo jr is worth installing after a limp or do i need a suncoast ,my dumb ass forgot to take it off the hot tune today and went to pass acar and limped my ally
  10. Transmission Shop
    my truck is pulling the 0700 and 0872 codes i know 0700 comes on every time the transmission limps but when i clear the code as soon as i stick it in drive it limps right away even if i dont move what could this be the trasmission has only been limped twice till this happened and i could still...
  11. 911 Problems Forum
    Hey guys my wife was starting down a steep grade of highway and the tranny clunked bad and set off the check engine light and the gear indicator light said it was in park and the brake light was flashing. Truck stayed in normal gear sounds like it tried to down shift for the downhill grade. She...
  12. 01-04.5 LB7 Duramax Powertrain
    My '02 dmax is throwing a code P0700. What does that mean or is there a list where I can look it up? Thanks.
1-12 of 12 Results