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dtc error codes

  1. 66 dtc's, what's going on

    01-04.5 LB7 Duramax Powertrain
    My truck threw the SES light on this morning, ran the Quad DTC check on it and there are 66 different codes! I looked at this list, and I can't even find most of them. Like A2A8 for example, there is no codes starting with a number except of course the P or U before all of them. I don't know...
  2. P0087 when under load going up mountains

    06-07 LBZ & LLY Duramax Powertrain
    I have an 06 LBZ, no added performers-all stock. When going up mountains/long uphill UNDER A LOAD (pull campers to dealers), the SES light comes on with code P0087 then goes into limp mode. I can erase the code with a MAC scan tool I carry with me and keep on driving down the road. Truck runs...
  3. getting an unknown code

    911 Problems Forum
    i have an 2006 duramax and i have been throwing an unknown code po 401 according to my bullydog. any help with this code number
  4. Help, Throwin codes

    911 Problems Forum
    Hey guys hope you can help me out here. Quick recap, going up a little hill and got on it a little, felt like the tranny went into limp wouldnt shift. Shut it off and restarted it and it feels fine. But I still got 2 codes 1. po777 pres ctrl solenoid b stuck on 2. po700 trans ctrl sys error...
  5. Running rough, no throttle response, help!

    911 Problems Forum
    Alright, so Im in MO for a school through the army and decided to drive here. So I was driving to my dads hotel to drop him off when all of a sudden, the truck just falls on its face and stops responding when i push the excellerator. So i pull up the codes on my edge programmer, and come up with...
  6. code for fuel rail pressure thrown up

    911 Problems Forum
    My 02 Duramax has been throwing a fuel rail code after it de rates power while driving and it will not respond while pressing accelerator . I have pulled over and shut it down and after 30 sec or so it will start up throw code and be ok. other times it wont start period unless the fuel filter is...
  7. p003a code

    911 Problems Forum
    Hello from central Fl. I am having problems with my 06 duramax,its been throwing the p003a code,and from what the dealer is saying I need a new turbo, they are saying that the vane are hanging up during idle,if this is correct can anyone suggest a new turbo. Thanks
  8. Boost control pos. sensor

    911 Problems Forum
    First time posting. I got a ck. engine light and took it to the local Auto Zone to get the code read. P2564 Where is the sensor located? Any advice about checking it? Thanks Bill
  9. Truck died today

    911 Problems Forum
    I had been running aroound all day then when was heading home truck stalled out and would not start again. Codes p0090, p0192, and p1800 all came up. Anyone out there have an idea? 2002 GMC Sierra 6.6l 2500HD w/ edge
  10. P2453

    07.5-10 LMM Duramax Powertrain
    OK, I am displaying the amber engine symble. Just had code read at an AUTO ZONE and code is P2453. Problem is they couldn't tell me what that code ment. Any help appreciated. I think this code only came on after replacing fuel filter. Paul
  11. P0101 MAF Code pissing me off

    911 Problems Forum
    Ok killing me now. Every time I remote start my truck it shuts off an gives me "engine power reduced." so I clear it an within 1-2 more times it will stay off and be fine. This is all happening and started RIGHT after I put my aFE stage 2 intake on for summer. I cleaned the MAF a million times...
  12. Engine light on.

    911 Problems Forum
    Went to southern ill. yesterday, pullin a gooseneck, and had my engine light come on. I checked the codes and had: P0234, P0380, 2 U1000's, U1152, B2615. Does anyone know what the U's and the B are? I cleared the codes and the light is still on, but i havent started it since i cleared them...
  13. Help no boost

    911 Problems Forum
    I had some codes P0101, P0299 and P0402 the EGT's ran high and there was no boost, I replaced the MAP and MAF sensor today and still no boost. this is on a 06 3500 with 87,000 miles. Any one have any ideas on what to do next?
  14. 04 duramax

    911 Problems Forum
    im working on a 04 duramax that out of the blue went in to limp mode and popped these codes p0207, p1293 p0742 any ideas?
  15. High EGT's

    911 Problems Forum
    I have a 06 3500 and it has been running high on the EGT side of the house but the coolant gauge say other wise most of the time. There is three differnt codes as of today, P0101, P0299, P0402. The only thing after market on the enigne is a K&N cold air intake. Havent had time to take the...
  16. Help with p0087

    911 Problems Forum
    07 classic lbz with 105k, ive had the truck since 40k pulling a load prolly 15k miles. Without any problems until sat. I lost power with the camper on the back with a p0087 code. Towed it to the dealer and they put a new fuel filter on and said it was good 2 go. I hooked back up 2 the camper...
  17. Please help before I buy a Ford

    911 Problems Forum
    I have 4 trucks with Duramax engines. My 2006 GMC 3500 LBZ and one of my 2008 2500 Chevys with the LMM engine seem to be having the same trouble. The 2006 has 250,000 miles and the 08 has 120,000. They will both go into "safe mode" only on the interstate, only pulling a trailer, typically in...
  18. loss of power and codes

    Drivetrain
    i was driving down to the girlfriends house tonight and all of a sudden i had no power and was acting like a dog. so i used my tripledog to read the dtc codes and got thease codes po238, po678, p1621, p1626 not shure what these codes are and was hopeing you guys could help...........could it be...
  19. Turbo issues and chevy dealership

    911 Problems Forum
    My 05 silverado duramax showed dtc's p0046, p2563, c0550, and u1000. I researched and saw the codes related to turbo, turbo sensor, transfer case control module, and class 2 communication malfunction. Took it to local chevy dealership. They said they erased the codes because they wre in...
  20. P0641 Problem diagnosed as bad ECM by GM Service SHop

    01-04.5 LB7 Duramax Powertrain
    Hey guys, I am new here but have read through your forums ALOT to get answers on previous problems with my truck. I have a 2003 Duramax. I was driving last week and while stopped at a stop light the enigine began idling really rough then the "low oil pressure" warning came on, then...
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