Code reader says P1089- fuel rail pressure on deceleration. Jump to Latest Follow FOR SALE: 2003 Chevy Silverado LT ECSB LB7 DURAMAX Suncoast IV, 1058 TC, EFI LIVE tuned by Idaho Rob, BD supermax Turbo, Bd Mar 1, 2014 · Scott 2006 Sierra 2500HD CCSB 4x4 LBZ Dark Metallic Blue, 285/75R16 2021 Rav4 LE What are the possible causes of fault code P0642 in an automobile? The fault code P0642 in an automobile can be caused by a faulty Engine Control Module (ECM), an open or shorted ECM harness, a poor electrical connection in the ECM circuit, or a shorted sensor on the 5 volt circuit. rwood64083 266 Replies. Dec 17, 2020 · The new L5P Duramax is by far, the most capable duramax to date, producing 445 horsepower and 910 lb-ft of torque in stock form. 0L Duramax diesel engine was originally introduced in 2020, on the Chevy Silverado 1500 and GMC Sierra 1500. 8L LWN Duramax found in the Duramax Colorado or Canyon, they were the last to adopt a half-ton diesel. Pretty much stock, no mods except leveled front due to 18" wheels. TXC CAI Jun 4, 2014 · Looks like your fuel temp sensor went out DTC P0182, P0183, P0187, or P0188 Diagnostic Instructions •Perform the Diagnostic System Check - Vehicle (See: Testing and Inspection\Initial Inspection and Diagnostic Overview\Diagnostic System Check - Vehicle) prior to using this diagnostic procedure. 06-07 LBZ & LLY Duramax Powertrain P0402 Code. Restarted. bleeder screw, WIF sensor delete plug, Fumoto oil drain valve, Pacer LED cab lights, GM dually light bar under tailgate, Footwell lights, Cobra 29 WXNWST CB radio, Wilson 2000 CB antenna, Kenwood speakers, GM chrome oval running boards, Bilstein 5100s, Michelin Apr 5, 2021 · General Discussions 01-04. They tried the NOX1 and NOX2. LB7: 2001-2004. Nov 26, 2023 · 2004 Chevy 2500HD Duramax with the Allison. 6L V8 engine. 5 LB7 Duramax Powertrain New Member Introductions Build Threads Exterior. Nov 23, 2010 · 5-p0802 tcm mil range circuit 2003 2500HD duramax diesel LB7, ext cab short box, efi live, afe intake, 4" MBRP straight piped (more info in garage) Save Share. The engine itself is vastly different however, with numerous big changes that resulted in an increase in 48 horsepower and 145 lb/ft of torque over its Apr 30, 2018 · 1st post 2006 Chevy 2500 trans gets warm and throws code p0872 I have replaced valves no hang up and internal wire harness with no luck. . It will start working normal after a few minutes. Jump to Latest Sep 9, 2019 · Although GM was the first to offer a diesel in a mid-size truck, the 2. As modern and impressive as the Duramax engine is, there are portions of the Silverado that feel stuck in the past, especially when directly compared to the Ford F-150 and the Ram 1500. P0701 During startup, the TCM moni-tors the operation of the fluid pressure switch assembly. Chris You are not authorized to view this page. 6 Telecom services P0808 3 Charges for the use of intellectual property etc. It may also be caused by faulty wiring or corroded connectors between the MIL and the automatic transmission control system. Switched out, and replaced Still not clicking. Not loud but noticeable. Apr 11, 2013 · Specialty Forums. 4" downpipe into dual 7" mitre cut stacks, Airdog II 165, K&N Filter/Modded airbox & resonator delete, Profab 3" Intake Horn, EFI Live & DSP5, PPE Boost Valve, Suncoast GMAX-5, ML Converter, Boost/EGT Gauges, Kryptonite Tie Rods, 8" Fabtech, 20" Rev Dirty Harry wheels, 36x15. Trans is also making funny noise when it's doing that. Nov 12, 2017 · Hi all, I live in central Texas close to Austin. I go WOT 1st-4th shifts beautifully then it hangs the shift to 5th. 1 code CEL DTC ECM GMT560 GMT800 intermittent L18 LB7 LLY light M74 MIL P1781 P0802 PCM repeat shift start TCM transmission #PIP3094 - (08/05/2004) Models: . 6 Duramax LML On accelerating from a stop, getting very low throttle response and a light colour white/grey smoke when bringing up RPM. But its only been 3-4 trips totaling ~ 100 With the horsepower and torque of the Duramax nearly doubling from 2001 to 2020, this is certainly true for this 6. 4 Repair & maintenance of computer and software P0804 2. 2> If eFIRC is not possible for the purpose code P0802. The all-new Duramax (RPO ‘LB7’) was far superior to the outdated Detroit Diesel engine and featured some state-of-the-art technology. 5 lly ex cab LBZ MP & Intake, Magnaflow DP, EGR Blocked,4"MBRP Aug 28, 2015 · So I just got my 03 lb7 flashed with efi live about a week ago. Any ideas? And the display doesn't show if it's in D R N or anything Jan 1, 2013 · Burgundy 08 Chevy CC/SB D/A - DSP5 by Dave Stuart, 5" straight pipe, EGR blocked, PPE Race valve, Raptor 150 Sold - Summit White 05 GMC CC/SB 4x4 D/A - AFE Intake, Straight Piped, PPE Standard, Van Aaken 0/70/110 May 17, 2011 · 2006 Chevy Silverado 2500HD Crew Cab, 6. Exactly same symptoms as before the injector replacement: a) put, put sound at low RPM and under load change( I noticed even the A/C compressor kicking on can induce the put, put sound), b) rhythmic ticking noise at idle, c) rough idle, d) and P0302 diagnostic code (no other fault codes), e) #2 injector still shows imbalance Apr 16, 2015 · I have a 2005 duramax, I get code p0802, and it shows service brake system. After clearing the codes and the truck cooled down, I drove about 10 miles before it did it aga Oct 11, 2011 · On the LLY engine-- when a injector looses contact, it will go into "Limp" and and set codes. It had a broken pin on the module but no difference. 64mm 6 blade proprietary compressor wheel; 66mm 9 blade or 10 blade high flow turbine; 100% drop in turbo; Includes high flow vanes; Includes both vane position sensor and vane solenoid Aug 10, 2005 · 6. (Read the starter relay powers through it. I cleaned the MAP, they tested the MAP as OK. Any anomaly in the transmission control system is going to save a code to both the transmission control module (TCM) and the power control module (PCM). Design of the Duramax diesel began in 1997 when General Motors and Isuzu Motors paired up to create DMAX Ltd. The truck ran fine during the pull. i gotta let out (quite a bit) then it will catch 5th and take off again. i started up my truck this morning to come to work and i had my #5 and #6 cylinder glow plug circuit codes. Got progressively worse. The following diagnosis might be helpful if the vehicle exhibits the symptom described in the PI. Nov 26, 2019 · My 2017 Chevy Duramax is/was going through the same thing. Features. Feb 23, 2023 · No start. Allison tranny, crew cab, short bed, 4x4. 06-07 LBZ & LLY Duramax Powertrain P0672 Glow Plug Circuit. 5 LMM ccsb ltz MATTE BLACK 8 inch fabtech lift,36x15. I live in a colder climateNorthern Alberta. • P0802 (MIL circuit) isn’t set. batteries 12. Mar 21, 2024 · For the most part, Duramax diesel engines last to 300,000 and beyond. 6L Duramax V8. So I hooked up v2 and got p0802. Look for worn wires coming from under the under hood fuse panel to the TCM. Feb 22, 2022 · The codes were P0404, P0401, P0670, P0700, P0802, U0101, U1000, U1024, U1009. Inspected engine air filter and found filter was restricted and excessively dirty. Chevy / GMC Duramax 01-04. ?? Truck is running fine. except PRNDL. No injector specific reprogram. Southern Comfort Conversions edition. 01-04. Jump to Latest Aug 24, 2008 · Hey guys, need some help here. No change. Jan 27, 2022 · 2020 Silverado 2500 Duramax. 0-Liter LM2 Duramax Turbodiesel . fuel gauge reads Empty. Jun 2, 2020 · 2019 Chevrolet Silverado 3500HD 6. Mar 15, 2010 · 2008 3500 LMM. May 17, 2023 · The 2024 Duramax appears to be even more bulletproof than the 2023. Exactly like if you were to put it in drive. Chevy replaced the MAF under warranty (truck went in service Aug 2018). 06-07 LBZ & LLY Duramax Powertrain Engine code P0402. Fuel filter has 54% life left and it’s the AC Delco filter. Dec 22, 2016 · Replaced with a new bosch injector. Replaced air filter and performed regen at freeway speeds and performs per Nov 1, 2019 · I have a 2013 6. Just like you have-- The Power control module will sense the problem and include all injectors in group A, or group B, what ever the bad injector is on. There are some google results on this. 3 Data processing services P0803 2. Jun 20, 2018 · My name is Dan, I drive a 2005 2500hd ccsb lly 4x4, victory red, Efi live :gearjamin Robs trans safe tunes, Edge cts w/pyro, Silverline 5" exhaust, Magnaflow downpipe, LML ds manifold, Arp head studs, S&b turbo inlet, S&b cai dry filter, Ppe shim kit, drilled fuel rails, B&w turnover gooseneck, Ma welded waterpump, Profab egr delete, Fass titanium 150, Beans fuel sump, Ma pump rub plate, 285/ May 31, 2018 · New to the site. 07 Chevy Classic 2500HD 4x4 2LT LBZ CC/SB White Nasta Nerf Bars, Line-x, Rancho RS9000XL Shocks, Firestone air bags, Fold-a-cover, Jun 11, 2013 · Chevy / GMC Duramax 06-07 LBZ & LLY Forums. Is this something a TCM tune will fix? or do i have a different problem. the ecm checks the voltage on the relay circuit to determine if their is Sep 29, 2011 · Chevy / GMC Duramax 06-07 LBZ & LLY Forums. The 404 and 401 codes have to do with EGR, which I plan on deleting at some point but I don't think it is the main issue. I can drive back and forth but it won't shift and it pulls hard. 6L displacement. I have an 02' LB7 315K miles, I have replaced in the last month the turbo with a stock turbo and the injectors (2nd time for injectors, first set replaced at 150K) I have changed the fluid and both spin and internal filters last week. Nov 15, 2011 · 6. 632 ohms) now Iam pulling the valve cover to probe the injector coil itself to rule out the valve cover harness to the injector. Codes Found P0601(static) P0802 one time). 6L Duramax V8 turbo-diesel came to the market in a GM heavy duty pickup in 2001. Jun 9, 2014 · 2009 GMC Sierra 2500HD SLE CC/SB 4x4 LMM EFI Live, Edge Insight CTS, Flo~Pro 4" DP back exhaust w/ muffler & stock trumpet tip, Alum. The LB7 is the original production 6. Like. in either case the glow plug relay could cause the code. Its codename was the “LB7”, and the 2002 version of the engine is rated at 300 hp and 520 lb-ft Jan 22, 2013 · A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. Sep 1, 2014 · 2009 DURAMAX LTZ EFI Live DSP5, Edge CTS monitor GMAX 6 plus precision tc AirDog 150 6" lift 20" XD monsters on 35" Nitto trail grapplers Tie rod sleeves, Homemade traction bars, Pitman/Idler arm brace, TC case brace Bills 5" intake 4" straight with 7" tip Cobalt triple pillar guages EGR delete, Pcv reroute Oct 11, 2011 · Bought 6/16/11: 2006 Chevy Silverado 2500HD, 6. no pattern. My tester arrived in High Country trim, which is the top tier version of the Chevrolet Silverado. May 4, 2023 · GM Models With 3. This usually means that the indicator lamp bulb is malfunctioning. 6 duramax from a guy the price was really cheap for a truck of that kind and running I bought it for 4 Feb 3, 2011 · TCM p0802,u101 ABS C0055 BCM 1300,b2585,u1000 I have cleaned abs ground (lower left frame rail) checked the six grounds on the front of block both sides ,new nsbu not Nov 5, 2012 · Allison LCT1000 P1781 or P0802 Setting in the ECM - kw 6. That's what I'm working on as well. 6 LB7 CC SB 4X4 Ranch hand front and rear bumpers - Fass Lift Pump/Sump system. The TCM expects to see the pressure switches indicating Nov 13, 2010 · 2003 LB7 CCSB 4x4. They settled on some mildly goofy readings from the MAF. 5L Diesel Engine Duramax First Generation: 2001-2004 (LB7) Duramax Second Generation: 2004. Oct 19, 2011 · my truck is hanging the 4-5 shifts. 50x20 Dick Cepeks Jun 22, 2021 · The Duramax diesel was introduced for the 2001 model year, replacing the Detroit Diesel 6. PPE hot ET plus 2, Custom 5 inch side pipe, 285 70 17 BFG A/T. Jul 29, 2009 · p0802 Jump to Latest Follow 3K views 5 replies 2 participants last post by 03-GMC Jul 29, 2009 Nov 24, 2010 · On a 2006 Chev Silverado 2500 Diesel 4x4 Truck. i also had p0802 which is TCM MIL request circuit. Come join the discussion about modifications, towing, classifieds, troubleshooting, maintenance, and more! Sep 12, 2006 · Just got a P0802 Jump to Latest Follow 7K views 4 replies 4 participants last post by a78turbo Nov 25, 2006 Apr 1, 2014 · BT DieselWorks - Duramax LLY/LBZ/LMM fuel injector connector AC Delco ones: ACDELCO Part # PT2183 . A well-maintained Duramax engine that’s considered a reliable model should make it nearly 500,000 miles without any major concerns. Dec 5, 2008 · Chevy / GMC Duramax 06-07 LBZ & LLY Forums. Which Duramax has injector problems? The very first Duramax built, the LB7 (2001-2004), seems to have the most trouble with fuel injectors. It will be nice if you could provide some external link to prove this, which I can use to show to my bank. Since it is the work truck, the bossman is fixing it - but it still chaps my ass that a Duramax with ~40k miles can be high and dry without warranty covering something necessary to run. Noticed, after numerous start attempts, Fuel gauge showing illuminated Empty light. 04. EFI Live Feb 18, 2017 · Google (Duramax P0802) lots to read. Issues noticed. Similar to the LML , the L5P utilizes the same 6. P0700 will set if: • The TCM is requesting the MIL to light. no start, no crank. Lately it sits for a couple of weeks at a time due to EV purchase as commuter car. 6 Duramax with 156,000 miles. rwood64083 270 Replies. 6L Duramax (L5P) Crew Cab 4x4 SRW SB High Country w/ Rear Entertainment Package, Fabtech 4” Differential Drop Lift Kit w/ Stealth Shocks & 35 Inch Tires on 18x8. Following success with the performance and reliability of the LB7, this engine became the building block of the Duramax line all the way up until today. The Duramax was a late-year arrival for the 2019 Chevy Silverado 1500 and GMC Sierra 1500 pickups, with the 2020 model year being the first full Apr 25, 2011 · It's related to the TCM (transmission Control Module) not getting 12 volts. 5-10 LLY, LBZ LMM Duramax Diesel brand new 64mm is a stock appearing drop in turbo. 83,850 miles, some towing. The 670 is for the glow plug module control circuit, and the 700 and 802 are a general trans code and a malfunction in the TCM. Please contact concerned Support Team. Pretty much at a loss. Includes: Custom faded two tone paint job, leveling kit, 18" chrome wheels, aftermarket interior trim, billet grille, remote start, wheel to wheel steps, and Line X installed. 5 Vision Valor Wheels, 4. I have ordered part number 213-4687 NOx sensor to fix this. Everytime the weather gets cold, the truck starts throwing this code at various times 2. What should be done? - Answered by a verified Chevy Mechanic. 2v orange wire 12. Jan 23, 2009 · General Discussions 01-04. Thought it could possibly be a bad switch that I bought, pulled a nsbu off of another duramax we have at our farm that I know was working, still same issue. I've read every post already out there about my trucks issues and replaced everything but the TCM. Jul 17, 2013 · 2003 duramax recently trans started throwing p0875 code and was getting range shift inhibited message- trans only has 3rd neutral park and reverse. All dash lights working. And would be fine. I have been sled pulling all this summer and this is the first time that I have thrown any codes while pulling. 6L LBZ, Amsoil Dual Bypass Oil Filter, Banks Ram Air Box, EGR Delete and Intake Heater Delete and finger stick by All Season Diesel Performance, Hypertech Max Energy power programmer Mar 15, 2008 · 2005 Chevy 2500HD Duramax 5sp. Jan 7, 2008 · ok folks. I was looking over my log and the only unusual thing I can see is that at the end Jun 5, 2012 · 07. 1, grounds, vss, cleaned wss no abs, prndm1, shift issues, no its got 100000 - Answered by a verified Chevy Mechanic Aug 13, 2017 · The white smoke could be related, as this was also found doing a google search on the code for a duramax engine: This code is a generic powertrain code. For the record, the tank is full! Pump on filter is tight. Thanks to all of the awesome articles posted - big thanks. used a snapon scanner. com was founded in 2006 and created a site which Oct 11, 2014 · Truck (2011 D-max) went into fail safe and locked the trans into 4th. The problem seems to be intermittent. Both P026D and P026D pending are gone. Truck is an 05 Duramax, LLY "2". The 3. Dec 18, 2010 · Ok, only codes shown is c0055 and p0802. At 40,573 miles DTC P2002 came up. ultra wheels, dually rims on back and regular wheels on front. My 13 Duramax with 180k miles. can't connect to tcm. Getting three codes P0263 Cylinder 1 P0284 Cylinder 8 P0272 Cylinder 4 Contribution / Balance New glow plugs 6 months ago Sep 6, 2010 · 2005 GMC Sierra 2500HD 4X4 CCSB Duramax/Allison Summit White 265/75/16 "E" Revos, Tonneau Cover, Step Tubes, Bug Shield, Tekonsha Prodigy, Curt Magnum V5 Hitch, BD Manifold, Diamond Eye Downpipe, Silverline SS CAT Delete Pipe, Borla SS Exhaust, EGR Blocker, IOH, PCV Reroute TXC Rad Mod V2 w/ Fan TXC Fan Damn H. 5 Subscription to newspapers, periodicals, etc. I have a banks intake, wehrli fab intake horn w/ Duramax tuners surge gasket or part, banks boost tubes , banks derringer with idash data monster, and banks 5” dpf back exhaust. 1 code CEL DTC ECM GMT560 GMT800 intermittent L18 LB7 LLY light M74 MIL P1781 P0802 PCM repeat shift start TCM transmission #PIP3094 - (Aug 5, 2004) Allison LCT1000 P1781 or P0802 Setting in the ECM Jul 23, 2020 · Parts and labor bill are just under a $1k. Aug 31, 2023 · 2001-2005 Duramax FICM Repair. AFE CAI, cognito leveling kit in front, Talon Air suspension in the rear, B&w drop ball and fifth wheel, transfer flow aux fuel tank, snow performance water meth, PPE trans upgrade May 10, 2017 · My name is Dan, I drive a 2005 2500hd ccsb lly 4x4, victory red, Efi live :gearjamin Robs trans safe tunes, Edge cts w/pyro, Silverline 5" exhaust, Magnaflow downpipe, LML ds manifold, Arp head studs, S&b turbo inlet, S&b cai dry filter, Ppe shim kit, drilled fuel rails, B&w turnover gooseneck, Ma welded waterpump, Profab egr delete, Fass titanium 150, Beans fuel sump, Ma pump rub plate, 285/ Apr 22, 2023 · Around 5 months ago I bought a 2004 Chevy Silverado LLY 6. Feb 28, 2013 · 04 Silverado Duramax 07 Silverado Duramax 03 Sierra LQ4 Denali 01 Silverado Duramax 09 Silverado SCRB 2500HD LY6 98 Suburban 2004 CCSB Duramax. 6 V8 w. Replaced Neutral Safety Switch. 2L Diesel Engine Duramax Third Generation: 2006-2007. what does that mean? :confused: thanks in advance. Gale starts by saying, “this is data that you won’t find on a spec sheet!” This new engine will be available in the 2024 Chevrolet Silverado and GMC Sierra HD trucks and will boast 470 horsepower and 975 lb-ft of torque which is a step above the older ’23 unit. 5-2005 (LLY) 6. 5 (LBZ & LLY) Top Contributors this Month Jul 10, 2022 · I have a 19 3500hd. Allison LCT1000 P1781 or P0802 Setting in the ECM - kw 6. #PIP4516D: Light and Medium Duty Trucks EGR DTC P0401 - keywords 07 08 09 6. Jump to Latest 61K Aug 13, 2019 · 2002 GMC Sierra 2500HD 6. * Cleared Code. I was able to troubleshoot my 02' 2500HD Dmax LB7 5spd auto, approx. Nov 12, 2013 · Ok guys so I'm sitting in my truck tonight going over some logs with efi and my truck while in park suddenly goes from 9mm3 fuel rate to 18mm3 and back down. Jump to Latest 30K Jan 23, 2020 · * Check engine light illuminated with code: P0802 - Transmission Control System MIL Request Circuit/Open. Jun 19, 2017 · 2010 Chevrolet Silverado 2500 HD LTZ , Duramax 6. Condition/Concern: The RDS 04. mileage 150,000K/90,000Miles . Purchased 06/19 My first Diesel Daily Driver. This has not been observed before. Oct 22, 2019 · P1781 for the 01-02s is the same as P0802 from the 03-05s, if that helps with your research. 5 LB7 Forums. Nov 22, 2009 · Hi All, Newbie here. I already changed the module on the transmission. All stock. Bangs out of 1st and throws limp mode doesn’t do it till it’s at operating temp Nov 8, 2009 · P0802 code silverado 2003 hd2500 deisel. 5 (LBZ & LLY) Top Contributors this Month Mar 8, 2013 · I have recently noticed that my check engine light has come in my 2007 duramax. Jump to Latest Nov 9, 2012 · Chevy / GMC Duramax 06-07 LBZ & LLY Forums. Sep 16, 2019 · No expert, but I don’t think Any of your codes is a Trans slip. . * Drove about 300 ft to park it and I am observing hard shifting when going from park to reverse to drive. Starter Relay under hood box not clicking. We offer a Pre-programmed TCM which comes with either factory calibrations or our enhanced calibrations. Feb 25, 2017 · May need a updated program. 06-07 LBZ & LLY Duramax Powertrain Keep Getting P0102 Code. Check engine light came back on. no big deal there as ive been having them at random lately. Any ideas before Chevrolet looks at it? Aug 20, 2020 · The AL5 Transmission Control Module is found in the 2001-2005 2500HD/3500, CC and Medium Duty trucks with the Allison Transmission. Upon using my diagnostics tool I found that I have a P0802 code. 6 8. 1 Software consultancy / implementation / development P0802 2. 6 cooler exhaust flow gas idle lmm maf mil recirculation restriction ses - (May 29, 2009) Nov 3, 2009 · P0802 Code. It can be a worn / broken wire or connector. I got a P0088 & a P0802 code. 50 baja mtz's,20x12 fuel nutz,reflexxion hood,rbp grille,s&b cai,recon smoked headlights,dsp5 by Kory Willis,mbrp 5 inch TB,mbrp dp,7" black chrome stack,PPE boost and pyro gauges,edge insight cts,bd blow off,egr delete,pcv re-route, alpine touch screen, 2 10" type r's SOLD Feb 7, 2016 · I just purchased a 2012 denali and I am getting the P2201 code constantly. Save Share. Couple of things I found. 5. 5 LB7 Performance Parts Discussion threw some codes please help. Oct 31, 2017 · I appreciate the info, that is the “wire chafing” that everyone has been talking about, after a visual inspection of the wiring, I went to the injectors wiring (valve cover plug) and ohm the injectors and found the problem (#2 injector . P0806 2. PRNDL light not working. 2v pink wire 11. 6L Diesel (LBZ), CCSB, Bose system, leather. This turbo is great for a truck with very little upgrades. 56 Axle Ratio, PRP Front Limit Straps, Fabtech Heavy Duty Tie Rods, Kryptonite Heavy Duty Pitman & Idler Arms, Cognito End Dec 5, 2009 · The cheap fix is to use "Ice Pick" the injector connector-common problem! I wrote this and saved it--That problem is usually caused by a loose connector at the injector. Jul 4, 2021 · 2014 Chevy Silverado 3500 6. 5v these at the tcm plug Is that drop in voltage at the pink wire a problem? should it be the same as the orange? A P0802 can save when any number of errors occur, and the underlying issue needs to be found and corrected quickly to prevent potential transmission damage. 2 IT and IT enabled service P0802 2. Oct 9, 2023 · General Discussions 01-04. I have a Hypertech tuner, which I used to diagnose the DTC and it reports p0402-exhaust gas recirculation flow excessive detected. 1> I want to know if eFIRC or FIRC is possible for the purpose code of P0802 , given I received the payment from foreign in foreign currency. It was running great until today when I noticed that I was pressing more boost with little throttle input compared to what it was doing when I first got it flashed. Dec 10, 2016 · This original 6. Duramaxdiesels. 1 code CEL DTC ECM GMT560 GMT800 intermittent L18 LB7 LLY light M74 MIL P1781 P0802 PCM repeat shift start TCM transmission #PIP3094 - (Aug 5, 2004) Apr 24, 2017 · Wss harness has no ohm 06 gms 3500 4x4 8. Just today it expanded into the 2202 and 2203. I have a 2005 duramax, I get code p0802, and it shows This code is only caused by the failure of an indicator lamp to illuminate. Top Contributors this Month View All. Service department diagnosis: soot accumulation of 16%, no exhaust or induction system leaks, verified DPF was not clogged. Sep 11, 2007 · (dmax sub)Noticed you have posted in most of the p0380 threads, after reviewing the california emissions & federal emissions schematics for the glow plug circuits it looks like faulty glowplugs would be more likely to cause the code on calif emissions vehicles. R. Truck starts and runs great, slams into drive and reverse, stays in 3rd gear, speedometer doesn't work and the gear indicator light isn't working. CEL recently comes on. Aug 29, 2021 · After a few tries would start. Bully Dog PMT w/ Crazy Larry, Mbrp down pipe back 4 inch straight exhaust, PPE egr eliminator kit, Banks Ram-air intake with super scoop, blocked resonator, Shimmed FPRV, Premier Fuel Cell, PPE tie rod sleeves, Recon smoked cab lights, smoked third brake light, bigrig running lights, and three smoked tail light bars. It is considered generic because it applies to all makes and models of vehicles (1996-newer), although specific repair steps may be slightly different depending on the model. I am getting the following codes; P11CB NOx Sensor 1 Performance - Signal High, P140C Exhaust Gas Recirculation (EGR) Slow Response - Decreasing Flow, and P0101 Mass or Volume Air Flow A Circuit Range/ Performance. For a while. In total, there are still around 1 million GMT-800 trucks still in service. O. I used the hypertech to clear the code and the truck has never acted as anything is wrongit still drives perfectly. This 2005 Silverado HD looks plenty sharp. The cheap fix that will last, is to remove the connector, place it against something flat, and push a SHARP ice pick into both termi Mar 24, 2014 · Subject: Allison LCT1000 P1781 or P0802 Setting in the ECM - kw 6. Same code. with a P0802, check the MIL circuit for a short to ground or an open circuit. Changed nsbu switch, same thing.
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