The diagnostic codes that are required by law on all OBD II systems are standardized and all vehicle manufacturers use the same common code list. This means the misfire code P0300 represents the same failure on a GM/GMC Duramax, Ford Powerstroke, or Dodge Cummins. OBD-II Check Engine Light Trouble Codes for the GM/GMC Duramax below:DTC0370, U1800, & P1550 DTC's. The Crankshaft Sensor, and Camshaft Sensor are connected to the ECM. You need to. verify all the fuses that send power the ECM. IGN 0 Fuse 10Amp. The GROUNDS are S103 & G103 for the ECM. You also need to verify the +12 Volts to CMP & CKP sensors, along with their Low Reference (Ground), and Signal (s) to the ECM.U1000 U1041 U1096 codes. Ever since my girl rolled over 200k shes been a bit fussy. I got in today and started her up and the battery light was on. The PRND321 was not lit up, the temp gauge does not work, the push button 4wd does not work and has no light on, no blower for air, and the dial that changes the air position does not work.I have a 2004 chevy 2500hd duramax, and it's a crank no start with an intermitten u1800 code. Silverado 2500hd - Answered by a verified Auto Mechanic ... 2001 gmc sierra 2500hd duramax diesel, 6.6l eng, lb7, 146,000 mi. wWHILE DRIVING, ENGINE SHUT DOWN, LIKE KEY WAS TURNED OFF. ENGINE CRANKS, BUT WILL NOT TURN OVER.May 2, 2010 · If the ECM fails to receive an expected message from one of the other modules, DTC U1800, U2104, or U2106 will set, depending on what communication is lost. The repair for this code can be a faulty TCM (transmission control module),FICM (fuel injection control module,or (engine control module ECM.These are expensive parts & I suggest diagnosis ...My 2500HD of 118K miles starting throwing network codes this week. All stock... The truck runs fine most of the day, then without warning the trans will start shifting at odd RPM's, power drops a bit... and the check engine light may or may not illuminate. I'm getting: U2104 CAN Bus Reset Counter Overrun. U2105 ECS Comm lost. U1800 FICM …Kblaylock9244 Discussion starter. 110 posts · Joined 2012. #1 · Apr 21, 2013. I just pulled codes on my edge programmer and it pulled code u0100 lost comm to ecm/pcm a. Check engine light isnt on and everything seems to work fine. Set programmer back to stock same code still no cel or problems turned back up to performance no cel and again no ...I'm getting a code P2149 fuel injector group B supply voltage circuit/open. ... 2005 dodge ram 1500 won't move when in gear 38 answers. Question on codes p0202 and p2149 - Chevy and GMC Duramax Diesel Forum www.duramaxforum.com > ... > 04.5-05 LLY Duramax Powertrain Dec 5, 2009 - 6 posts - 4 authorsCodes that where on this time where p0370,p1093,p1550,u1800,u1026. But if I only unplug the 2 main harness connectors on the drivers side under the hood the truck will then fire right up. ... A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. Come join the discussion about modifications, towing, classifieds ...Codes are U1800 lost communications with fuel injector - Answered by a verified Chevy Mechanic ... HI i have a 2001 duramax with problems. codes are p0193 p1261 p1262 p0093 p0204 p0201 p0206 p0207 u1024 u1026 u1041 u1016 u1000 u1800 u1088 I have a banks tuner on the truck and it amplifies the probl ...Hey all. New here so sorry if its not in the right area. I've got a 2016 single rear wheel 3500 that is throwing code P205B "reductant tank temperature sensor circuit range/performance". Looking around the web this seems to be a fairly common issue possibly covered by an extended warranty.The P0380 code is a diagnostic trouble code generated by an OBD-II scanner. The P0380 code primarily indicates a malfunction of the glow plug or heater circuit A. A glow plug heats the air-fuel mixture during the combustion process when the diesel engine is started.321 posts · Joined 2011. #3 · Nov 3, 2011. There is nothing that says FICM, only like ENG2 and ENG1 and stuff. any body else know what it might be? 2003 2500HD LT, CCSB, LB7, EFI tuned by IdahoRob and installed by GOS Performance, Edge CS Insight, AFE intake, 5" center dump exhaust, 8" MBRP tip, 6" Pro-Comp lift, Fox dual resevoirs shock ...Apr 1, 2021 · Look for any kinks, dry rot, cracked lines etc. Replace any that are in questionable shape. Inspect your engine harness for any rubbed through wire insulation, broken wire, corrosion, loose connections, etc. Some codes that came up included u1800, p0090, p0193,p0380, p0540. But after I cleared them and attempted to start it again they don’t ...Chevy / GMC Duramax 01-04.5 LB7 Forums. 01-04.5 LB7 Duramax Powertrain A ton of "u" codes. Jump ... Truck remained running and didn't throw a code. Then on my way home the cel light came on and I looked through my cts2 and it has a bunch of communication codes, p0700, u1000, u1800, u2104,u2106, u2105. And the …P0046 turbo charger Boost control position perform. P0101 MAF. P0401 EGR insufficient flow. P0404 EGR open position. P1626 theft deterrent fuel enable signal not received. P2563 turbo charger boost control position sensor performance. TRUCK: 05 Chevy DMAX CCSB 2500HD AT/4x4-Dark Blue Ext/Charcoal Int.From my googling I have not found anyone else with this problem it is completely intermittent between shutdowns new ecm new ficm new harnesses still act...Jan 23, 2018 · 223000 miles without electrical problems, but halfway out the driveway today it shut off and refused to start. I have a code u1800 for no communication between ecm and ficm. Preliminary check on the wiring and fuses revealed nothing, but I don't have power on pin 118 Injector supply voltage at the FICM.This is a trouble code that is apparent when there is an issue with the Fuel Injection Control Module (FICM) recieving injection request signals from the Engine Control Module (ECM). ... p0380, p0374,p1262, p1261, p0540, u1800, p0203, p0193, p0370, p0207, p0093, ... I am reading three codes on my duramax (2004) ...There are many situations where you can find yourself needing to look up a ZIP code. Maybe you’re trying to mail a letter but only have the recipient’s street address. Perhaps you’...Stats on the truck. 2004 Silverado 4x4 2500 lb7. Efi live 5ps. Fass lift pump (previous owner bypassed oem fuel pump. New ficm. New engine harness and ECM TCM harness. So the truck will throw the u1800 code at random I've checked all the grounds swapped the ficm e.t.c etc. Previous owner said problem started after he got the tune put on thr truck.Chevy / GMC Duramax 01-04.5 LB7 Forums. 01-04.5 LB7 Duramax Powertrain p0183. Jump to Latest ... my sled pull tune it was only commanding 10000 psi of pressure when it is usually like 25000. checked the computer for codes and this is the only one that came up. its fuel temp. sensor a input high. idk weater this is something to be worried about ...Vehicle: 2003 GMC ECSB 4x4, LB7/Allison, 241,000Miles, Only mods PPE Economy Tuner, MBRP 4" Turbo Back. Problem: Won't Start! Throwing P0090, U1800 codes and a bunch of others. Backstory: Drove down approximately 7 Miles of extremely washboarded dirt road to get to my mother in laws house. Truck was running fine as usual.It wouldn't start. Pulled codes and got U1800 and can't remember but I think P1226 also. If you look these codes up, it is a comm failure between the ECM and the FICM. All the instances of this on various diesel sites people find wires rubbed bare and grounded to the alternator bracket and such.Few suggestions: 1) Check that the cam bearing under the turbo didn't spin and block oil flow to the bearings/vane position solenoid. 2) Make sure to do a vane position sensor relearn with a Tech 2 after install. 3) Pressurize the intake (post turbo) to 30 psi to verify you don't have any leaks. 4) Use an EGR blockoff plate to ensure the EGR ...Nov 24, 2013 · 33 posts · Joined 2011. #3 · Nov 26, 2013. I had that code pop up and P003A. I searched the forums and it looks like the P2563 code is pretty common. From what I found, a lot of people will try cleaning the sensor and wires 1st, then replacing the sensor and/or solenoid, then end up taking it to the stealership and replacing the turbo.P1125 and either the p0522 or the p0641. Any luck on the oil pressure test yet. We need to see if these codes including the oil pressure reading is related to an electrical issue or in fact low oil pressure and not related. We don't have the oil pressure gauge we took it to the local mechanic to do the test.Nov 19, 2023 · 8. Since you're apparently not currently getting a U1800, I wonder if that "old" code was just the result of tinkering. The only time I ever got a U1800 was when I had water intrusion into my FICM because the rubber plug on top of the FICM had dry-rotted and fallen out.Just double checked for codes and found a U1800 from when it died on the freeway. ... Chevy and GMC Duramax Diesel Forum. 3.8M posts 209.6K members Since 2005 A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. Come join the discussion about modifications, towing, classifieds, troubleshooting, maintenance, and more!New codes are C0550, P1550, C0201, U1800 and still seeing the U1000 also. Well see how checking all the connections and cleaning them up goes, if it dosent fix it, off to the dealer tomorrow on a trailer. ... Duramaxdiesels.com was founded in 2006 and created a site which houses some of the best known Duramax tech you can find. We strive to ...New codes are C0550, P1550, C0201, U1800 and still seeing the U1000 also. Well see how checking all the connections and cleaning them up goes, if it dosent fix it, off to the dealer tomorrow on a trailer. ... Duramaxdiesels.com was founded in 2006 and created a site which houses some of the best known Duramax tech you can find. We strive to ...1959 Answers. SOURCE: 02 ultima troble codes u1000. These 2 codes indicate a communications problem within the CAN (Controller Area Network). The CAN network malfunction per Chilton lists 3 possible causes: CAN connector is damaged or is disconnected. CAN communication line is open, shorted to ground or to power.Aug 27, 2012 · Hello, I Have an 03 Reg Cab 2500HD Duramax/Allison 4x4 all stock, throwing codes P0090 Fuel Pressure Regulator and U1800 No communication with FICM. Truck wont start, display PRNDL and gauges are dead.Below are common check engine light trouble codes for the Chevy/GM Duramax diesel. This list has been updated to includes Chevy/GM Duramax diagnostic trouble codes. At Thoroughbred Diesel we are a real diesel performance and repair shop that offers free advice. Call us at 1-859-737-4966 with any questions you may have about your diesel. We are ...GMCU1800 GMC DTC U1800 Make: GMC Code: U1800 Definition: CAN Message Not Received FICM Description: The ignition is ON. Cause: The modules that communicate on the CAN system are wired parallel to each other until the respective circuits are spliced together for the ECM.I have 04 duramax with 6.6 LLY engine. will not start. no codes. act - Answered by a verified Chevy Mechanic. ... I am getting a U1800 code (Lost comm w/ fuel injector module) P0090 P0193 P0380 P06022 I read of this forum ...Help, New Truck and P0700, U2104, U2105, and U2106 Codes. So I just purchased this truck and drove it 1200 miles home. Got about 14 MPGs and about half way home the check engine light came on. When I got home I ran the codes. P0700 is the tranny telling the computer there is a problem and needs the TCM to be read by a tech 2.472 posts · Joined 2007. #1 · Dec 14, 2010. Have a 04 LLY Duramax that I cannot get too start up. I replaced the fuel filter housing as well and it primes up good and hard. The only code I'm getting is a p0090 something with the fuel pressure regulator.Chevy / GMC Duramax 01-04.5 LB7 Forums. 01-04.5 LB7 Duramax Powertrain Lb7 p1093 & u1800. Jump ... Also, after having a U1800 code myself a few years ago, what he ...The problem is with the amperage in the fuel pressure regulator control circuit out of range.without a TECH2 it is hard to diagnose.The problem will be either wiring or connector to the FPR,engine control module problem or FPR problem.The FPR is part of the high pressure injection pump.First was there also a code U1800 and does the …U1800. Jump to Latest Follow ... I recently purchased a 2001 GMC 2500HD DURAMAX diesel 4x4 Allison transmission. It has an aftermarket exhaust. ... Now the mechanic says that i have a single code U1800C and that none of his subscription services can tell him anything about this code. He says that he did check continuity on all the CAN circuits ...Coasted into a parking lot and pulled codes truck has code u18a2 loss of comunication with fuel pump driver control module. The truck is a 2018 gmc 2500 l5p. The truck has a crank no start situation. I am looking for the location of the fuel pump driver control module. I have read a couple threads that mention these modules are usually the ...My 2500HD of 118K miles starting throwing network codes this week. All stock... The truck runs fine most of the day, then without warning the trans will start shifting at odd RPM's, power drops a bit... and the check engine light may or may not illuminate. I'm getting: U2104 CAN Bus Reset Counter Overrun. U2105 ECS Comm lost. U1800 FICM comm loss.I was having some issues with my duramax lmm 2008 3500hd. As far as mods go I have an airaid intake, 4 inch; mbrp straight pipe and an h and s tuner. I just encountered the code p0299 (engine turbo charger underboost). So I needed to a smog done to register my truck in California and I detuned my truck, restored the computer to stock for the ...The new injectors being sold such as the SAC45's have a great rep in going well beyond the normal 80 to 120K injector mile average; I believe that is due in part with them not having the need perhaps of the fuel filtered below 4 microns), so the threads on replacing injectors every 80 to 100K have become less.Please Like, Comment, and Share. Be sure to subscribe for future videos. Don't forget to hit the bell icon for notifications. YouTube has changed what they s...P0090 u1800. I have an 02 lb7. Went to replace ignition switch and it created a short somewhere. Engine cranks like its going to start but cuts off as if there is no fuel. I hear what I believe a sound indicating continuous power going to the fuel pressure regulator or fuel pump. If I pull the ignition relay in the main fusebox it stops.The ECM monitors CAN operational status by expecting a constant flow of messages from the FICM and the TCM. If the ECM fails to receive an expected message from one of the other modules, DTC U1800, U2104, or U2106 will set, depending on what communication is lost. The repair for this code can be a faulty TCM (transmission control module),FICM ...strokeit355 Discussion starter. 32 posts · Joined 2013. #1 · Apr 8, 2015. Hi guys after a bit of help diagnosing my truck, getting a u1800 code that I can't get to bottom of. The other night the truck started ok and ran for a few seconds but then died and hasn't restarted since. I checked all the basics first and then put a scan tool on it .Cadillac CTS: Some Cadillac CTS models have experienced U1041 codes due to problems with the electronic brake control module (EBCM). GMC Sierra: Similar to the CTS, the GMC Sierra has also had instances of codes related to the ABS module or wiring issues. Hummer H2: The Hummer H2 has been known to experience this code due to faulty wheel speed ...Pulled the codes and the codes are; P0700 U2105 U2106 U1800 ... 2003 2500HD LS CC/LB 4x4 Duramax/Allison Completely Stock 273K miles on the original stock injectors.Chevy / GMC Duramax 07.5-10 LMM Forums. 07.5-10 LMM Duramax Powertrain p1448 code popped up. Jump to Latest ... off then the p1448 still remained i cleared it shut off the truck an restarted it it didnt return any one know of the code or if it a problem .Jumped in the truck this afternoon and did a 'cold' start, about 50F. Immediately get the 'Service Emissions System' warning. Scan the codes and I have U010E and P205D. These codes don't seem very common on Duramax's... hoping someone out there has a few good ideas for things to check. I naturally need the truck tomorrow to tow something and it ...Resources. The automobile fault code U1041 indicates a problem with the Electronic Brake Control Module (EBCM). The most common symptom is the Engine Light ON or Service Engine Soon Warning Light. The cause of this fault code could be a faulty EBCM, an open or shorted EBCM harness, or a poor electrical connection in the EBCM circuit.p0370 is a generic code, could mean bad injection pump, could mean bad fuel pressure/pulse sensor. U1800 is a loss of communication somewhere in the circuit. The fuel injector harness has a rubbing issue and then the connectors coming loose. Visually check to see if there is any chaffing, rubbing, along the fuel injector harness.Chevy / GMC Duramax 07.5-10 LMM Forums. 07.5-10 LMM Duramax Powertrain. P0381. Jump to Latest Follow 23K views 4 ... what is this code. My scan tool says no glow plug light illuminated. Anyone have this code before. the truck is an 08 lmmAug 3, 2008 · The pump is mounted in the filter housing on the frame and the connector is at the front of it. The pink and black wire should have 12 volts with the key on for about 30 seconds. If the pump has voltage but is not running, then your pump has failed. If there is no voltage then check fuse 2.40 in the central junction box.Jan 23, 2018 · 223000 miles without electrical problems, but halfway out the driveway today it shut off and refused to start. I have a code u1800 for no communication between ecm and ficm. Preliminary check on the wiring and fuses revealed nothing, but I don't have power on pin 118 Injector supply voltage at the FICM.Alright as soon as you posted this message i got the security light to turn off and the code went away and hasn't some back. i cleared the codes all throughout the truck. im still seeing a code U1000 for class 2 data link malfunction and U1800 for lost communication with Fuel Injection control module.Jump to Latest Follow. 62K views 8 replies 7 participants last post by DLB May 8, 2014. wild69camaro Discussion starter. 41 posts · Joined 2011. #1 · Sep 19, 2011. This morning when i started my truck shortly after the check engine light came on code number p0671:glow plug 1 control circult was wondering witch glow plug is bad.U1800- unknown U1026-unknown U1152-unknown U1041-unknown U1064-unknown U1024-unknown I cleared them and the U codes came back I'm assuming they are abs related with the module being removed. Power door locks are now working as well as the key fob and all gauges are working again.P. Primaryfitness Discussion starter. 2 posts · Joined 2015. #1 · Dec 31, 2018. My 2015 duramax came up with codes P128E and P0087 and went into reduced power mode and displayed change fuel filter. I changed the filter and reset the codes and made it home but the same problem came up (went about 60 miles). Checked FPR1 and it was clean,no metal.The truck just randomly died on me at a stop light and would not start back up towed it back to my shop and truck fired right back up. let it run for a bit and everything seemed fine then all of a sudden died. pulled codes and got p0201-04-06-07 and a u1800 code pulled my edge off and didn't have any problems from then on. until last night was ...Duramaxdad Discussion starter. 247 posts · Joined 2003. #1 · Sep 20, 2005. I recently got the check engine light, and went to Auto Zone to get the code. The code came back as U1800. I did a search here in the forums, and found out that it means Loss Of Communications with Fuel Injector Control Module (FICM). What exactly does this mean?So i hooked up scan tool on to it and the codes says P0090 (fuel pressure regulator problem), PO335 (crank position sensor), and U1800 (lost communication with fuel injection module). I replaced the crank position sensor but still won't start! I checked the glow plug controller and noticed that there is a little burnt/fried wiring on it so i ...Looked like all the readings were everywhere, jumping all around. Checked the codes and have a U1800. Not sure if i got the code from doing the compression check or something else is going on. I cleared the code and started the truck again and the U1800 code did not come back but the truck still had the loud knock and black smoke.DURAMAX LOW POWER We had a 2004 Chevy Silverado 2500 in the shop, equipped with the 6.6L Duramax diesel engine. The MIL was on and the vehicle exhibited intermittent low power. Code P1093 was stored, which indicated low fuel rail pressure during power enrichment. ... Just went to get fuel, checked for codes again. Now I have a u1800 code. I ...Chevy / GMC Duramax 01-04.5 LB7 Forums. 01-04.5 LB7 Duramax Powertrain. u1096 u1000 codes ..help meeeee. Jump to Latest Follow 21K ... Yesterday I go to check monitors and I have both of these codes stored. Truck starts up and runs fine . I did a little research and it seems like the U1000 is usually accompanied by another code and thats ...The most likely cause for the fault code P1050 in your 2017 Chevrolet Duramax is a fault with the reductant/ exhaust fluid tank level position sensor. When this sensor fails the entire pump and sensor assembly have to be replaced. This can cost over $400 to have it replaced.1959 Answers. SOURCE: 02 ultima troble codes u1000. These 2 codes indicate a communications problem within the CAN (Controller Area Network). The CAN network malfunction per Chilton lists 3 possible causes: CAN connector is damaged or is disconnected. CAN communication line is open, shorted to ground or to power.Jan 6, 2015 · Here’s the codes I was able to pull. U1000, P0700, P1550, P1781, U2106, U1024, C0237, C0236. 2001 Chevy Silverado 2500hd CCSB 300k DD. 4in dp back muffled, cold air intake, Air dog 100 lift pump, Duramax Tuner Spade King, PPE Stage V trans ,Bell tech 3 inch drop shackles, 20x10 -12 fuel couplers on 305 50r 20 NT420s.Chevy / GMC Duramax 01-04.5 LB7 Forums. 01-04.5 LB7 Duramax Powertrain 02 lb7 wont start. Jump to ... been runnin great until yesterday, it wouldn't start at all and gave me a code (u1800 failure to communicate with ficm), so I tore it all down disconnected the ficm, checked all the pins and wires for damage or corrosion, took …2002 2500hd with 6.6l duramax. not running. started and pulled out of driveway and went down the road and it died! won't start. trowing code u1800. tried re priming and starting with no luck checked a … read more10757 posts · Joined 2009. #5 · Aug 16, 2021. Post #4 Check engine light code P1089. Ron Nielson - Most of the information I provide relates directly to my 2008 LMM - Your truck may be a little (or a lot) different. 2008 Silverado LT, Crew Cab, 2WD,LB.The problem is with the amperage in the fuel pressure regulator control circuit out of range.without a TECH2 it is hard to diagnose.The problem will be either wiring or connector to the FPR,engine control module problem or FPR problem.The FPR is part of the high pressure injection pump.First was there also a code U1800 and does the …The P0380 Duramax code is a common issue among diesel engines. The cause of this code can be attributed to faulty glow plugs or a malfunctioning control module. The solution is relatively simple and involves replacing the defective parts. Regular maintenance and inspection of these components can prevent the occurrence of this problem altogether.It is possible to fix the P0128 code at home by yourself, but not all the time; outcomes would be effective. If you fix it at home, you may need the cost to replace the thermostat ranging around $15-300. At the same time, the price of an ECT sensor might range from around $300-320.7. If there is fuel in the engine oil, fuel may be leaking from the fuel injector or fuel injection pump into the crankcase. 8. If the fuel system will not even briefly prime to 10 psi and will not start, the check valve in the fuel filter/heater element housing is stuck open. 9.Honestly you should not be throwing a code unde4r normal circumstances so fix the problem before adding mods or throwing money at it. 1) Low pressure regulator (say 5-7 psi) and pressurise the fuel tank while looking at all the fuel lines under the truck and around the motor. 2) Bottle test to make sure relief valve hasn't failed.You’ve probably seen somewhere someone saying coding vs scripting. When I first saw that, I thought that those two are the same things, but the more I learned I found out that ther...Jul 14, 2017 · Jul 14, 2017. #1. Codes will not clear/erase. Has the computer or FICM failed? Background: code PO 0090 had tripped and Truck would not start until code was cleared. Code PO 0090 would not clear after multiple attempts to clear and U1800 appeared on scanner. I replaced cp3. Code will not clear. A.Pulled the codes and the codes are; P0700 U2105 U2106 U1800 ... 2003 2500HD LS CC/LB 4x4 Duramax/Allison Completely Stock 273K miles on the original stock injectors.strokeit355 Discussion starter. 32 posts · Joined 2013. #1 · Apr 8, 2015. Hi guys after a bit of help diagnosing my truck, getting a u1800 code that I can't get to bottom of. The other night the truck started ok and ran for a few seconds but then died and hasn't restarted since. I checked all the basics first and then put a scan tool on it .my uncle has a stock 2003 duramax with 38000 miles he just started it up today and the check engine light came on and the dash cluster lights were flashing codes were u1009 u1003 any body know what would cause these codes thanks. 05 black crewcab sb 4x4 lly 6'' BDS suspension lift 15% tint debadged 35"nitto grapplers with 20x10 moto metal 955 ...2015 lml P0088 P1082 P128E codes. Recently did a exergy 10mm cp3 swap and now I'm getting super high rail pressure. I've install the tune revision and lowered the lift pump pressure even unhooked the lift pump. Need some help asap.2001 chevy 2500hd 6.6 diesel u1800 code truck runs great but the sev eng lite stay on i checked all wires & conect to icm ... I have a 2003 Chevy 2500HD 6.6 L Duramax (LB7) Diesel. I am getting P0404 code and the check engine light comes on.Learn the building code for sistering joists and why it's important for your construction project. Follow best practices and ensure safe and reliable results. Expert Advice On Impr...Jan 27, 2021 · U1024 code and electrical issues. anyone have any insight on this. I am having what seems like a electrical problem. i start my truck up and I am getting various lights that turn on and off on my dash, ABS light, parking brake, security, battery. my gauges also go from reading normal down to zero then back to reading normal and so on. the truck ...36 posts · Joined 2018. #1 · Jan 11, 2022. Hi 2017 duramax. All stock and recieved the P1050. Dealer said they replaced the DEF tank and sensor. After I picked up truck on next start dame code. Thoughts please. 2017 3500 High Country. Save Share.Here’s the codes I was able to pull. U1000, P0700, P1550, P1781, U2106, U1024, C0237, C0236. 2001 Chevy Silverado 2500hd CCSB 300k DD. 4in dp back muffled, cold air intake, Air dog 100 lift pump, Duramax Tuner Spade King, PPE Stage V trans ,Bell tech 3 inch drop shackles, 20x10 -12 fuel couplers on 305 50r 20 NT420s.U1800 code. Jump to Latest Follow ... Come join the discussion about Powerstroke, Cummins and Duramax performance, modifications, classifieds, troubleshooting, maintenance, and more! Show Less . Full Forum Listing. Explore Our Forums. New Member Introductions!The P0380 code is a standard OBD-II trouble code suggesting an issue within the glow plug heater circuit. When the powertrain control module (PCM) detects a variation in the voltage from the “A” area of the glow plug heater circuit that is more than a 10 percent variation from the expected output, the P0380 code will be detected.2003 2500HD Duramax LB7 w/Allison 1000 has intermittent shift problems and has DTC codes P0700, U2104, 16 posts · Joined 2012. #1 · Apr 7, 2013. i replaced the injectors in my truck and after i got eve, 1 post · Joined 2022. #13 · Feb 14, 2022. I've got a 2021 GMC Sierra 15, Scanned it using Torque Pro App. Code U1800. Googled the code, Yes, I am aware of the terms and processes along with my own states law as it's n, DTC0370, U1800, & P1550 DTC's. The Crankshaft Sensor, and, Dynaboard built a low-code web application development tool to bring together product managers, designers and de, 108 posts · Joined 2008. #2 · Dec 30, 2016. The u1041 is a loss of com, The u1000 seems to show up when you first start the truck. I can clear, 2003 GMC duramax... 2003 GMC duramax 3500 has codes p0370 u1800 p, Chevy / GMC Duramax 06-07 LBZ & LLY Forums. 06-07 LBZ , 418 posts · Joined 2009. #1 · Dec 6, 2009. - EGR Insufficient, my uncle has a stock 2003 duramax with 38000 miles he just started , major 911 replaced injector now won't got u1800 co, Vehicle: 2010 GMC Savana 3500 Cutaway Duramax 6.6L Turbo, Each module on the class 2 serial data circuit is requ, Jul 14, 2017 · Jul 14, 2017. #1. Codes will not clear/eras, 2002 2500hd with 6.6l duramax. not running. started and pulle.