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Thread: P 0299 Code

  1. #1

    Default P 0299 Code

    Code: P 0299
    Modules: ECM
    Description: Turbocharger Engine Underboost

    I got the dreaded P0299 code over the weekend. The truck ran no differently. I did a little research and found that the Hypertech tuners like to throw that code. I cleared the code, and went out and hit the accelerator hard a few times from a stop to help clear out the soot. It seems to be running fine. I have no gauges as of yet, so I cannot tell if I actually have a low boost issue. Just going by the seat of the pant driveability.
    2006 Chevrolet 2500 HD LLY Duramax
    LT3 4WD Allison 6 Speed CCSB
    FS2500 Bypass Oil Filter, Kennedy Twin Lift Pumps, Dual Nicktane Fuel Filters, Coolant Filter, All On Headlight Mod, Rhino Liner / Trac Rack, Lund Interceptor Wind Deflector, Recon Rear Light Bar, 34 FT. Keystone Cougar TT, PML Rear Differential Cover, Tekonsha Prodigy Brake Controller, Putnam XDR Class 5 Receiver, Reese Dual Cam HP Strait Line Hitch, Stainless Tie Rod Sleeves, PPE Deep Pan with Transynd, Stanandyne Fuel Supplement, 265/75/16 General Grabber HTS Tires, Filter Mags All The Way Around


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  2. #2
    Diesel Weasel Mad Maxx's Avatar
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    Default

    Maybe the Tuner needs Updated?
    James

    '07 Chevy Silverado 2500HD CCSB LBZ
    '06 Dodge Ram 2500 QCLB Cummins
    '06 Jeep Liberty CRD


  3. #3

    Default

    It has the correct upgrades. I think it was just a rogue code.
    2006 Chevrolet 2500 HD LLY Duramax
    LT3 4WD Allison 6 Speed CCSB
    FS2500 Bypass Oil Filter, Kennedy Twin Lift Pumps, Dual Nicktane Fuel Filters, Coolant Filter, All On Headlight Mod, Rhino Liner / Trac Rack, Lund Interceptor Wind Deflector, Recon Rear Light Bar, 34 FT. Keystone Cougar TT, PML Rear Differential Cover, Tekonsha Prodigy Brake Controller, Putnam XDR Class 5 Receiver, Reese Dual Cam HP Strait Line Hitch, Stainless Tie Rod Sleeves, PPE Deep Pan with Transynd, Stanandyne Fuel Supplement, 265/75/16 General Grabber HTS Tires, Filter Mags All The Way Around


    Member #1 of the Ocean State Diesel Club!



  4. #4
    Registered User trotorx2's Avatar
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    Member of Gulf Coast Diesel Truck Assoc.



    Default

    When I still had mine right before I upgraded to the Predator my Hypertech started doing some really weired stuff but no codes.

    I started seeing Tons of smoke and bad defuels when at WOT. Never thru any codes. I really didn't like the Hypertech in general.
    Ed

    2011 GMC Sierra 2500HD Denali Crew Cab...stock and staying that way.


    2006 Silverado ECSB LBZ
    Suncoast Stage 3 w/ ML Converter Allison Deep pan
    EFI Live Socal Diesel DSP5 Switch Tuning by Dustin @ Diesel Addiction
    PPE Castflow Manifolds
    Profab up pipes with Blocker plate blocker plate
    Profab VVT Downpipe
    MBRP 4” exhaust
    Air Dog 100 with shimmed FPRV
    S&B intake
    Isspro Gauges
    Bilstein Shocks

    Died 12/4/13 RIP

    Big Thanks out to Dustin@Diesel Addiction
    and Rick@Profab

    2008 Saxon Villain
    2001 FLHRI Roadking
    2011 35' Cyclone Toyhauler

    VeteransofAmericaMember #2
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    Signer #18 of the Traveling Oil Can

  5. #5

    Default

    mine would show the P0299 and afterwhile is was actualy the sensor that I had to have replaced.
    2015 CC LTZ Dually, Black and loaded The tow beast
    2012 ECLB 3500SRW LT3, LML This seasons new snow moving machine
    08 3500 SRW LT2 ECLB BLACK CHERRY BLIZ 8100 POWER PLOW WI plates "SNO TYME" Sold to my son.
    08 3500SRW LT1 ECLB-LMM- BONE STOCK DAILY DRIVER 72K, 1 starter
    TOWING 13 Raptor 381 LEV 19K TOYBOX 5VER & 24K GN FLAT TRAILER FOR BIGGER TOYS
    2014 BRP SPYDER RT_Limited for summer fun
    HONDA ATV'S, 2)500 FOREMAN, 400 EX 250 RECON
    09 800 MXZ for the snowy days
    DTR DUALLY CLUB MEMBER #11
    Badger State Diesel Club

    Go Badgers, UWM


  6. #6

    Default

    What sensor Marty? Turbo vane sensor?
    2006 Chevrolet 2500 HD LLY Duramax
    LT3 4WD Allison 6 Speed CCSB
    FS2500 Bypass Oil Filter, Kennedy Twin Lift Pumps, Dual Nicktane Fuel Filters, Coolant Filter, All On Headlight Mod, Rhino Liner / Trac Rack, Lund Interceptor Wind Deflector, Recon Rear Light Bar, 34 FT. Keystone Cougar TT, PML Rear Differential Cover, Tekonsha Prodigy Brake Controller, Putnam XDR Class 5 Receiver, Reese Dual Cam HP Strait Line Hitch, Stainless Tie Rod Sleeves, PPE Deep Pan with Transynd, Stanandyne Fuel Supplement, 265/75/16 General Grabber HTS Tires, Filter Mags All The Way Around


    Member #1 of the Ocean State Diesel Club!



  7. #7

    Default

    Yes, fairly easy fix if you are out of warranty.
    2015 CC LTZ Dually, Black and loaded The tow beast
    2012 ECLB 3500SRW LT3, LML This seasons new snow moving machine
    08 3500 SRW LT2 ECLB BLACK CHERRY BLIZ 8100 POWER PLOW WI plates "SNO TYME" Sold to my son.
    08 3500SRW LT1 ECLB-LMM- BONE STOCK DAILY DRIVER 72K, 1 starter
    TOWING 13 Raptor 381 LEV 19K TOYBOX 5VER & 24K GN FLAT TRAILER FOR BIGGER TOYS
    2014 BRP SPYDER RT_Limited for summer fun
    HONDA ATV'S, 2)500 FOREMAN, 400 EX 250 RECON
    09 800 MXZ for the snowy days
    DTR DUALLY CLUB MEMBER #11
    Badger State Diesel Club

    Go Badgers, UWM


  8. #8

    Default

    OK Thanks Marty. I cleared the code and it has not returned as of yet.
    2006 Chevrolet 2500 HD LLY Duramax
    LT3 4WD Allison 6 Speed CCSB
    FS2500 Bypass Oil Filter, Kennedy Twin Lift Pumps, Dual Nicktane Fuel Filters, Coolant Filter, All On Headlight Mod, Rhino Liner / Trac Rack, Lund Interceptor Wind Deflector, Recon Rear Light Bar, 34 FT. Keystone Cougar TT, PML Rear Differential Cover, Tekonsha Prodigy Brake Controller, Putnam XDR Class 5 Receiver, Reese Dual Cam HP Strait Line Hitch, Stainless Tie Rod Sleeves, PPE Deep Pan with Transynd, Stanandyne Fuel Supplement, 265/75/16 General Grabber HTS Tires, Filter Mags All The Way Around


    Member #1 of the Ocean State Diesel Club!



  9. #9
    Quarter Million Worth btfarm's Avatar
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    Default

    Quote Originally Posted by RI Chevy Silveradoman View Post
    OK Thanks Marty. I cleared the code and it has not returned as of yet.
    Hope it lasts for you Jeff. Those aren't cheap IIRC.
    Mike
    2006 GMC 2500HD LBZ ext/sb Black. 265,000 miles and 6085 hrs as of 8/19/14. Predator tune (at 133k) WAS Totally stock except tires (285 BFG KOs), hitch, Line-X over the rail. Westin bars, Adrian crossover box, Putnam XDR Class V hitch / Prodigy Brake control. Blocked, fingered and pcv reroute. Full 4" Diamond Eye SS Exh from Leroy Diesel
    Towing Interstate 1 7' x 18' utility trailer (10k) usually at limit or more
    Proud US Navy vet (BT2) and NRA member.
    You WON'T be takin' my right to bear arms
    Veterans of America Club, member #5.
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