Duramax tcm problems. Feb 1, 2023 · Duramax fuel injector failure.

Duramax tcm problems They then refunded Mar 21, 2018 · I have a '13. Jun 11, 2021 · DTC U0101 - TCM Problem. Let’s look at these steps to understand how to test TCM Duramax. Mar 5, 2014 · I have almost 36k on it now and no problems since with the replacement TCM so who knows. 11-16 LML Duramax Powertrain. I have been working on diesels for 26 years both big and small but this is my first duramax. The most notorious LB7 Duramax problem is their original injectors. Regardless neither can be found, at least not cheaply. Feb 10, 2018 · 2nd time, in rain, tranny stuck in 1st gear. Sent from my SM-G930V using Tapatalk Jul 7, 2016 · Started by reading the tcm with the v2 , and sending the read file, receive my tcm tune and get it loaded on the v2. 6 4x4, and my TCM is bad. atsdiesel. When it first started a couple months ago i replaced the ignition switch and the truck was perfect for about 2 weeks then started to give intermittent u0101 again. Jan 18, 2024 · 2009 silverado duramax 2500 i tested the bateries engine off and got 12. They ran it thru their test equipment. During the past month and a half i Aug 27, 2024 · I stopped on side the rode unplugged the TCM and plugged it back in and limped home. :drink Aug 13, 2022 · classic tcm, no power, wont shift, park and drive indicator not working right etc. Oct 5, 2011 · Document ID: 2074199 #PIP3605A: CTC U0101 No engine crank and no communication with TCM Feb. With our TCM being unlocked, it DOES NOT need any dealer programming and you can add a transmission tune with HP Feb 16, 2014 · The Body Control Module has to be powered, since it sends a WAKE-UP to the TCM to begin communications. Haven't had a problem since. Nov 15, 2018 · When my TCM went out I got about 200 feet of the driveway from work and I got the traction control message as well as trailer brake system inactive. Sep 30, 2024 · 23 3500 SRW Denali Red Tint Coat, 09 GMC SLT Dually (Farm Truck) Alcoa 19. Apr 2, 2015 · So maybe it was just some 2011 model tcm's that had problems and the new replacement ones we getting now are good and gonna hang in for life of truck. Conditions for Clearing the DTC A scan tool can clear the code from TCM history. Got a 2011 gmc Duramax. 29,2008 Models affected: 2006-2007 Chevrolet Silverado Classic 2007-2008 Chevrolet Silverado 2006-2007 GMC Sierra Classic 2007-2008 GMC Sierra Equipped with Allison LCT-1000(RPO-MW7)Automatic Jul 14, 2010 · I'm fighting a electrical/transmission problem and my local shop, dealer, GM can't seem to fix this one. Both the TCM and wiring harness are suspect in any transmission problem. Jul 31, 2015 · Thinking its definitely an electrical issue, whether it be a loose ground, bad connection somewhere, or even a bad module. and it came out positive. It is only a problem on the newer trucks because the tcm is exposed like it is. TCMs are quite expensive these days should you need one. DTC U0137 00: Lost Communication With Trailer Brake Control Module Nov 5, 2020 · Here is our guide to the 7 most common 6. We will also go through any potential problems related to it. So harness and new tcm plus programming and laborer. Took the truck to Chevrolet. Feb 29, 2016 · sent the TCM off to Autocomputer Specialist in FL. I came across this reply in a thread-U/mrcrash79 “Mine had a tcm problem I put a new one in and it helped but still had issues randomly turns out it was the plug being tight with the lever lock thing so I added some zip ties and added a screw that went into a threaded peice in the tcm” Jan 12, 2025 · 2024 Silverado 3500HD SRW LT Crew 6. 1 2. Apr 9, 2012 · The TCM ONLY NEEDS to be replaced if it has incurred permanent damage, such as hard failed codes, complete loss of communication or other erratic behavior that continues to exist AFTER completing the following steps. Other applications including Freightliner CPC4 modules are experiencing similar conformal coating problems. 5 lly duramax deleted dsp5 stock lift 5 inch Feb 1, 2023 · Duramax fuel injector failure. Got the new Tcm in but no one will program it because the trucks been deleted. Already replaced neutral switch, pressure switch, internal harness, external harness to the TCM, new fluid with deep pan. com. 6L Duramax; 2009 - 2015 GMC Sierra 3500HD 6. What would happen is in the Aug 6, 2015 · 2006 TCM problem??? Jump to Latest 1. (maybe more years). What are the codes? 2015 Chevy 3500HD Highcountry LML Duramax 2006 Ford F350 6. The U2105 The Allison LCT1000 may experience a condition in which the TCM has repeat failures. The average cost of a Duramax TCM repair is around $600-$800. Has anyone encountered this where the TCM caused the ABS and Brake light to come on along with the doors unlocking. Your problem MAY be TCM but maybe just wiring, and that's my GUESS. 07. That shorts and burns the TCM ground. cab Short Bed 4x4 Trans Shift kit Mouth piece ported Modified Air box w/K&N 18x8. C. I checked my wiring harness, no problems with it. Dec 27, 2015 · Hi Guys, I have been having some issues of late with my 2011 duramax. Jump to Latest 3 Help tcm problems u101. Feb 1, 2011 · 2003 Ext. Apr 1, 2023 · Hey guys I am buying a 2013 duramax with the infamous tcm issue through my work. Oct 22, 2011 · checked the TCM for continuity between pin 9 and 69 like jc1843 says to do. Truck is completely stock. Still ended up with the U0101 and the P0880 codes. Issues is that once you drive for 30min or so she's good & hot 160-170, it will randomly shoot up to 300 & get stuck in May 4, 2023 · Perform a hard battery reset with the TCM plugged back into the vehicle to clear any remaining codes and reset the TCM: Remove the key from the ignition. I did retape them and fired the truck up, ran flawless, that's new. 29,2008 Models affected: 2006-2007 Chevrolet Silverado Classic 2007-2008 Chevrolet Silverado 2006-2007 GMC Sierra Classic 2007-2008 GMC Sierra Equipped with Allison LCT-1000(RPO-MW7)Automatic Dec 22, 2015 · 2008 Silverado 3500HD LTZ LMM CCLB DRW: Limitless Built trans, Diamondback ATV bedcover, Maghytec pans, Amp powersteps/bumper step, weathertechs, FASS liftpump, ATP EFI Live, 5" straightpipe, SDP 3" ybridge EGR delete, 3" downpipe, HIDs, Recon smoked lights all around, Beans sump, Edge CTS, DMAXstore driveshaft, MOVE DIY bumpers, 68G attatank, autometer EGT/boost gauges, banks hotside, DRP Apr 9, 2012 · Subject:Loss of Communication with Allison Transmission Control Module (TCM), Intermittent Transmission Hesitation, Reduced Torque, Range Inhibit, Clunk, Stuck in Gear or in Neutral, Won't Shift, DTC P0880 and/or U0101 Set (Inspect for Electrostatic Discharge (ESD) From Aftermarket Serpentine Belts and/or Added Equipment, Install OEM Belt, Relocate TCM). Another significant cost factor when fixing an Allison TCM problem is the cost of the replacement parts. 5s with Michelin XZE, Centramatics,Tow Mirrors, Chrome Grill Overlay, Rear underseat storage, Mudflaps all corners, 20% Window tint, 6" Oval Steps, B&W Turnover Hitch, B&W Companion Hitch, Sulastics, GM Campaign #PIT3009J, Wireless Console Charging, Bilstein 5100s, Newmar Mountain Aire 36 BSKS Jan 8, 2019 · Many 11's have had TCM problems, although your current DTC's would not indicate a TCM problem. Jun 1, 2023 · This is about my TCM issue in a 2012 2500HD 4WD Duramax w/ Allison 1000 transmission: I had all the dreaded TCM symptoms several months ago. The first year of the LML’s was supposed to have problems with them. These are expensive parts & I suggest diagnosis by a qualified technician before replacing any parts. 6L Duramax Same 2013 LML, been fighting random limp mode with all different code combinations including P0651, P0107, P2127, P2138. Truck started up and I dove it for 2 Aug 6, 2023 · 03 chevy 2500hd duramax. Took a couple trips to the dealer after initial fix. It's actually a great design, aside from the conformal coating intended to "protect" the electronics. That doesn’t mean Feb 2, 2014 · I checked the balance rates and they are off pretty bad. started eng and got 14. This part has experienced a very high failure rate. Although General Motors recalled these engines and gave them a seven-year and 200,000-mile warranty, its fuel injector remained a significant problem. With the battery removed, to ensure there is no power, short the battery cables in the vehicle and connect the positive and negative cables together for at least 20-30 minutes. Sep 15, 2022 · “I have been having all of the problems associated with a bad TCM and not being able to find a replacement. 2009's don't have the number of bad TCM's that the 2011's do, but they are known to have bad TCM's. No programmer. How Can I Replace A Duramax TCM? If you are experiencing problems with your Duramax TCM, or if it has simply failed, you may need to replace it. 6L GM Duramax LCT1000 Transmission from our Collection. Nov 14, 2024 · Mechanic replaced my glow plugs on my 2004. I sent my TCM to Autocomputer Specialist. The use of a scope is quite helpful, but then you have to have the problem happening right then or you will still have to wait. I wouldn't think that would be the problem on a new box. Apr 25, 2019 · Chevy / GMC Duramax 07. Scan for codes and see what that tells you. Nov 17, 2016 · Note-- common problem is someone contacts the exposed TCM fins with jumpers. He probably won't, but try. They don't touch the TCM so it's a non-issue. It you are careful, with what you let the leads touch you will have no trouble. There were some 06 LLY w/ the 5 speed, diff TCM). Not a problem man. HELP! History: Chevrolet 2003 Duramax (LB7 with Allison 1000). Codes thrown were P0706, P0708, and P0894. When trying to program to the truck I get Incompatible OS File 24274899, OS 24271208. 4K views 2 replies 3 participants last post by Pureflow06 Dec 29, 2024 Oct 14, 2022 · So after I posted here last night I kept on googling and ended up on Reddit. 2011 tcm issues. 5-2005 (LLY) 6. I unplugged my battery cables for about 20 min and unplugged the TCM and the truck moved for about 5 min, until it went back into May 6, 2023 · The TCM inhibits torque converter clutch (TCC) engagement. Trucks fully deleted. It could be a component (door switch, seat motor, etc) taking out the GMLAN system intermittently, and it would take a scope and someone who will obtain and read the eletrical charts for your truck. Truck would shift like it was in tow-mode, however tow-mode indicator was Jun 16, 2013 · 6. Last december installed a HSP compound turbo kit with a stainless diesel 5 blade S475 over stock. 6L GM Duramax LCT1000 Transmission Buy the ATS T50-T87 Duramax TCM Upgrade for 2011 - 2015 6. Mine threw codes U0101 and P0880. Tools you will require: Test light; 12-volt battery; Wire brush; Clean rag; Electrical tape; OBD-II scanner Aug 24, 2010 · What happens on the LBZ and LMM is that when you unhook your cables, is you let one of the leads contact the exposed part of the TCM. 2L Diesel Engine Fuel System, Air, Exhaust & Emissions Upgrades Top Contributors this Month View All No communication at TCM. I have an 07 LMM so i know that mine is the 06-08 model. May 18, 2010 · 04. 6L Duramax; 2009 - 2015 Chevrolet Silverado 3500HD 6. The signal wires from the sensor are formed as twisted pairs to cancel magnetically induced fields. Help! 2011 Chevy Duramax Transmission Control Module - The 1947 - Present Oct 5, 2011 · Document ID: 2074199 #PIP3605A: CTC U0101 No engine crank and no communication with TCM Feb. This being said the only thing that I could think of is that something is bad in the TCM causing the trans computer or trans itself to pull too much power when its trying to shift under heavy acceleration. If you can identify one loom, look carefully for any wiring cuts, wear-thrus, etc on that loom. I came across this reply in a thread-U/mrcrash79 “Mine had a tcm problem I put a new one in and it helped but still had issues randomly turns out it was the plug being tight with the lever lock thing so I added some zip ties and added a screw that went into a threaded peice in the tcm” May 2, 2010 · The repair for this code can be a faulty TCM (transmission control module),FICM (fuel injection control module,or (engine control module ECM. The issue is NOT unique to GM. Reinstalled my TCM and the codes came back. Sep 24, 2019 · Hey guys, so i have been having a intermittent tcm problem, getting u0101 (lost comm with tcm). It all started with it slamming into gear and shifting extremely hard. If that 1 pin breaks, the TCM will go into the fan and cause some damage. You could also experience unpredictable shifting, downshifting issues, check engine light, and trouble shifting to high gear. Reactions: SheeB, Ron Nielson and FreedomOne. Charged me $150 and then shipped it back the SLOWEST possible way they could and charged me double what 2 day USPS charges. Apr 1, 2023 · We strive to keep this the #1 forum for tech and information while continuing the push for new and exciting tech on the Duramax platform. Checked where the harness connects to the TCM, and the bail that holds the plug into the connection wasn't locked in. The install itself only takes about 30min. Even GM acknowledged their problems when they corrected the original injector design and issued a 200,000 or 7-year warranty on the updated model. I cannot find a replacement part anywhere and the ones I have come across are 4-8,000 thousand. Sep 3, 2010 · Lol. code reader is saying it cant communicate with the tcm. From all out performance builds running 8 second ¼ mile territory, to 2000hp sled pullers and all the way back to the average guy looking to boost his performance in his tow rig to get up those hills a Apr 6, 2016 · It continued to do the light surging even after the trans was pulled and rebuilt to Suncoast stage 3 specs. Dec 19, 2022 · @Running Strong IIRC the 06-08 have the same TCM (for the 6 speed that is. So my question is, I'm about 99% sure the problem has to do with the area of that TCM harness but not really sure how to permanently fix it. 213k miles. Jun 14, 2022 · In some cases, the entire unit may need to be replaced. The most common issue is U0101 “loss of communication to the transmission control module”. Discovered a bad TCM. :help i want this mess fixed so i can get to putting my exhaust and mouthpiece installed. Number 5 wire loom was rubbed through on a valve cover bolt, but the wires seem to be fine, can't really tell,dirty in there. 6L Duramax, B&W GN, Brute II Bumper -399,000 and counting Nov 4, 2020 · So the problem with my truck ended up being the abs control module, it had an internal leak from the abs motor block and was going into the module shorting it out. I just installed a Bulldog controller to eliminate the DPF/UREA. Any help would be appreciated. Tried clearing codes; didn't work. 5-05 LLY Forum. 2016 lml chevy ccsb. So, of course he replaced the GPCM. They discovered the TCM was bad. Hard transmission slamming from gear to gear, range shift inhibited and gear indicator not displaying, and on the newer trucks transmission temperature not displaying. 70k. 2K views 9 replies 3 participants last post by SouthFloridaGMC Sep 21, 2016 Jan 22, 2025 · In terms of LLY injector problems, GM had sorted out the internal failures with the 2004 ½ redesign, but the LLY Duramax would occasionally exhibit a trouble code for the injectors, but in most cases it turned out to be an issue with the injector harness rubbing through and causing a short or open in the wiring. ridgerunnerdieselperformance. I don't know if or how the circuit could affect slippage though. . I was stuck in 3rd or 4th gear. Getting a Scanner; When diagnosing the TCM (Transmission Control Module) in your Duramax engine, you’ll need a set of specialized tools to test its functionality. Larry Feb 25, 2019 · Asked about buying a spare TCM ($260 on Amazon) for a spare, and the service manager didn't think I'd ever have a problem again (besides, this one has a 2 year warranty). Checked for continuity between pin 9 and 69 and no continuity detected. My 2010 LMM w/ 370,000 miles has been parked for a month because it either wouldn’t shift into gear at all or when it did it thump-clunked the entire truck so violently I thought the trans was going to eject itself from the vehicle Feb 18, 2015 · Hey guys need some help. They "tested it" and said it was OK, charged me $150+ shipping. And the further apart the occurrances are, that makes it even more so. Stock truck except exhaust. I've heard everything is wrong from it's my tcm, it's your trans pump, it has internal failure, you have a bad sensor valve or whatever for your pump. Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Don't want to be stuck out in the middle of nowhere pulling my 5th wheeler and have to try to get towed in. My question Dec 22, 2018 · Check your circuitry/wiring and plan on tcm if it checks out. 2L Diesel Engine Fuel System, Air, Exhaust & Emissions Upgrades Top Contributors this Month View All Feb 1, 2011 · Since my BCM is connecting properly and not my TCM thats where I want to double check to I'm getting all powers and grounds to my modules. According to what I read, was a new TCM fixed the problem. May 21, 2023 · ATS - T87 TCM Upgrade for A50 T14 2011 - 2015 6. Next day I cleared codes, they came right back. crew cab. 5 LLY last spring and discovered the glow plug control module (GPCM) was not activating the glow plugs. 5L Diesel Engine Duramax First Generation: 2001-2004 (LB7) Duramax Second Generation: 2004. Is there a way to check the F. Mar 18, 2021 · 2001 2500hd 4wd extended cab ls, s&b cai, 4" stainless steel exhaust, efi live from atp trucks, edge cts, ppe boost valve, banks intercooler pipe, air dog ii 165, rebuilt tranny with suncoast kit, transgo shiftkit and billit torque converter, new upgraded tailshaft, pump rub fix on transfer with new aluminum tail shaft, new tow mirrors, new gage heavy duty front and rear bumpers, beans sump Jun 16, 2013 · Hey guys, as the title states a friend of mine has been having some issues with his LMM as of late. Jan 26, 2022 · Steps to test TCM Duramax. During my limp the doors were constantly trying to unlock. 4x4. If anyone has had this problem could ya give me some help! Thanks in advance. 8M posts How to test TCM Duramax: Step-by-Step Guide. . In other cases, only a part of the TCM may need to be replaced. I’m sure it was on here. Sep 7, 2022 · Ask the seller to refund your purchase price with the return of the TCM. Jan 31, 2025 · Maybe a Transmission Control Module, TCM? Charly knows a LOT about our trucks, tuning, electronics, etc. 6L Duramax; 2009 - 2015 Chevrolet Silverado 2500HD 6. Dec 15, 2012 · Truck would not crank at all, after searching this site, determined TCM problem. 95k miles No history of fuel system or transmission work or previous problems. Mine also had the rarely faulty solenoid. Sat down and started reading all the TCM post on DF (spent 3-4 days & several nights Nov 14, 2024 · It’s best to disconnect all wires from the TCM before testing them to avoid any electrical damage or shorts. Feb 6, 2009 · We strive to keep this the #1 forum for tech and information while continuing the push for new and exciting tech on the Duramax platform. Mar 21, 2018 · There could be a pin contact problem between the looms and the TCM. If the dealership didn't correctly assess/diagnose the problem when they replaced the TCM, the problem could have been in the harness. Inspect the wiring for poor electrical connections at the TCM. 6L LB7 Duramax problems and how to fix them. 9 volts. Somewhere you are losing comm with ECM per th eU0100. I. Immediately the transmission control module (TCM) started faulting and not shifting correctly. 0L Powerstroke pile of junk Feb 3, 2021 · The TCM is located up near the radiator and is connected to the transmission by a wiring harness. See what you can find in the way of DTC's. Step 1: Inspect the TCM unit Sometimes the problem is not the module, but the wiring connecting it for wiring connecting it to the system. I did the delete because I was having constant issues with the UREA system. Testing TCM Durmax involves a few tools and careful execution. 154k miles. The EBC is on this Data Link, and if the EBC has a bad ground, this could be part of the problem with communications to other Modules. The amazon tcm will need to be programmed. A day later I started getting the U0101 Code and my transmission would go into limp Jun 27, 2023 · Here's what your Allison A50 T14 TCM looks like. Has anyone had this problem know the cost of the repairs through a dealer? I’m told this is common in the allisons Mar 1, 2025 · The 2006 to 2015 GM Duramax diesel are prone to Allison TCM failure issues. Today i went out one more time to check wire rub. Problem: Over a 2 week period, after 20+ minute highway driving, when slowing down shifting was different than normal. From 2008 thru 2015, Chevrolet and GMC 2500 & 3500 trucks with the 6. 1. Jump to Latest Jul 5, 2020 · Your problem certainly could be TCM, or the circuit from/to the TCM. Jul 16, 2022 · Intermittent electrical problems are the most difficult things to deal with. All electrical devices in your truck depend on having a complete and un-damaged electrical circuit for them to work correctly. the 09s up are different pn's. Give him a chance to help you. Jun 2, 2015 · So after I posted here last night I kept on googling and ended up on Reddit. Yesterday it wouldn't run long enough to run a diagnostic test. They ended up saying it was a wiring issue on something related to the tcm. B about the 2011’s having TCM Jan 15, 2008 · The Transmission Control Module (TCM) calculates the frequency of these AC pulses and converts it to a speed value. I looked at them again and I miss read one code, I have one thats loss of communication with TCM and I thought the other one said the same but it say's Loss of communication with Automatic Traction control unit. the codes that came up were U0101 - Lost communication with tcm p2610 - ecm/pcm internal engine off timer performance replacing the TCM with a stock version is looking to be a similar price as a tuned one. Replacement Parts. 5 days. 5 silverado 2500HD Duramax LLY. I think that if it was a bad injector it must be in the metering part of the control section. Feb 20, 2024 · Also before it gets to running temp it has a slight elevated pump squel after it heats up it only squels after 2k rpms . Just look for corrosion and mice damage. The exact problem with the fuel injectors is that they functioned underneath the valve covers. Aug 6, 2015 · 6 speed trucks were known to have the TCM come loose as GM in there infinite wisdom felt 1 plastic push lock pin was sufficient to hold the TCM to the shroud. From all out performance builds running 8 second ¼ mile territory, to 2000hp sled pullers and all the way back to the average guy looking to boost his performance in his tow rig to get up those hills a Mar 5, 2014 · Dealer cost for the TCM is only around 300 bucks if i remember correctly. I went through the same with my 18 back this spring. Now for a test May 23, 2023 · If you changed it last year, it should be OK. I took a small jumper wire with alligater clips and connected the heatsink to the ground on the battery. 3. Oct 13, 2013 · Hi guys, I have a 2005 lly 2500hd duramax 5 speed allison auto 111,xxx miles ((Truck is stock))!! I will try to describe everything that happened and is happening The Story :help About a Year ago, (oct 2012) my truck started throwing code U0101 lost comm with tcm. 9K TCM Problem? Jump to Latest Oct 5, 2024 · This way, you can ensure that the mechanic is familiar with the TCM problem and can effectively address it. Pray that yours is OK and that the problem is with the circuit. The TCM automatically clears the DTC from TCM history if the vehicle completes 40 warm-up cycles without failure. This problem is prevalent with the LB7 Duramax model years. Dealer had one in stock for $600 + flash. Took it to Chevrolet. The 09-11? have the same TCM. so i guess the TCM is not blown. 5-10 LMM Forums. Waiting to hear back from tuner and efi live on the issue Aug 23, 2014 · Losing comm with TCM and GPCM are quite common problems with older trucks. Fix: - Ordered ACDelco 24256861 (my stock TCM was 25978353), $300 to my door from Amazon in 1. 5 LLY 2500HD 4X4 Duramax w/ Alison Transmission, Crew Cab, Short Bed, RCD 6" Lift, 4" Magnaflow Turbo Back, K&N, Inglewood Transmission Stage 4 Kit, AMP Elevated Steps, BF Goodrich 315-70-17 w/ Forged Weld Racing Wheels, Bullydog Trippledog Plug & Play and 90+HP Injectors Dec 22, 2015 · The 15's are not know to have TCM problems. Was able to get it home before it became completely immobile. com U0101, U0100 - Lost communication with TCM; P2669 - Computer circuit issues; P0700 - Faulty TCM; TCM not powering on; Cannot shift gears; Models we repair: 2009 - 2015 GMC Sierra 2500HD 6. Most all O'Reilly auto parts stores have capable scanners that will read all of your modules. 2011 Z71 LTZ Tuape Gray, EGR Blocked, H&S MiniMaxx w/ tunes by Kory, Cobalt Gauges, AFE Stage 2, AFE 4" Straight Pipe, Fabtech 6" RTS, Falken 35x12. HUGE mistake! They claimed my TCM was problem free. what else can cause this issue im having?! 2006 silverado 2500hd loaded,blue LED conversion, cobalts, CTS,6'' skyjacker, softride springs Oct 27, 2022 · I have a 2013 GMC Sierra 2500 Denali HD 6. All these issues could prompt you to change the transmission. Sep 24, 2017 · I experimented with removing the tapshifter harness (problem was still there without the tapshifter harness), and "wiggling" the top connector of the TCM and this would temporarily fix the issue. transmission control module went to hell. Diagnostic Aids. Jump to Latest 21 - 32 of 32 Posts. Once you have put together everything you need for testing your vehicle’s TCM, you can follow these steps to get the work done. The AC voltage generated varies from 150 mV at low speed to 15 V at high speed. Research pretty much concluded a wiring short due to rubbing but after pulling apart the entire harness and finding nothing, I found a tech who concluded the TCM was the culprit. 6 L Duramax engine and Allison 1000 transmission all used the same TCM; part number 24256861. Denali Dually: Duramax Tuner/ Banks- iDash, boost tubes, cold air intake, monster exhaust and rear diff cover/ B&W Companion 25K 5th wheel/ Power Stop Z36 drilled & slotted rotors Aug 30, 2019 · Chevy / GMC Duramax 11-16 LML Forums. 0L Duramax, 76,000 and counting 2008 Silverado 3500HD SRW LT Crew Cab 6. Jul 14, 2010 · History: Chevrolet 2003 Duramax (LB7 with Allison 1000). Transmission control modules can range in price from $200 to $1,000, depending on the make and model of your vehicle. REF attached PDF's in order. Sep 19, 2016 · 11' Denali problems, possibly TCM??? Jump to Latest 2. 29,2008 Models affected: 2006-2007 Chevrolet Silverado Classic 2007-2008 Chevrolet Silverado 2006-2007 GMC Sierra Classic 2007-2008 GMC Sierra Equipped with Allison LCT-1000(RPO-MW7)Automatic Dec 22, 2015 · 2008 Silverado 3500HD LTZ LMM CCLB DRW: Limitless Built trans, Diamondback ATV bedcover, Maghytec pans, Amp powersteps/bumper step, weathertechs, FASS liftpump, ATP EFI Live, 5" straightpipe, SDP 3" ybridge EGR delete, 3" downpipe, HIDs, Recon smoked lights all around, Beans sump, Edge CTS, DMAXstore driveshaft, MOVE DIY bumpers, 68G attatank, autometer EGT/boost gauges, banks hotside, DRP Apr 9, 2012 · Subject:Loss of Communication with Allison Transmission Control Module (TCM), Intermittent Transmission Hesitation, Reduced Torque, Range Inhibit, Clunk, Stuck in Gear or in Neutral, Won't Shift, DTC P0880 and/or U0101 Set (Inspect for Electrostatic Discharge (ESD) From Aftermarket Serpentine Belts and/or Added Equipment, Install OEM Belt, Relocate TCM) Mar 21, 2018 · I have a '13. I know the tcm is pretty much non existent anywhere right now. M and has anybody heard of one causing this problem. One of the most widely utilized tools is an OBD-II scanner. Ron Nielson - Most of the information I provide relates directly to my 2008 LMM - Your truck may be a little (or a lot) different May 10, 2023 · Our T87 TCM Upgrade comes fully unlocked and ready to go into your truck, nothing else needs to be done besides swapping out 2 sensors for the turbine speed sensor and output speed sensor. 2013 gmc 2500 duramax. It said that the codes were intermittent and varied from time to time, just like you’re describing. Buy a tcm through amazon or dans diesel performance. Thanks for any input 2004. Got home slowly, codes were P0700 (generic I know) and P0658 Actuator Supply Voltage "A" Circuit Low. Definitely could be the TCM or TCM circuit. 50x18 :drink Dec 22, 2018 · I was reading a thread a couple of days ago, about the 2011’s having TCM problems. If no joy, then wiggle each loom and see which loom causes that change. 2011 Silverado 3500 HD dually Allison Transmission Deleted & Tuned 4” Straight Exhaust. Now the service 4X4 Aug 27, 2013 · Tcm problems no start! Jump to Latest 2001-2016 Duramax Tuning & 2006-2016 Cummins Tuning Allison 5 Speed and 6 Speed Tuning. 5 Black Wheels w/275/65/18 Quadzilla Programer HID's 5K's and Apr 25, 2023 · General Motors produced several years of trucks with a faulty transmission control module. Allison TCM Problems: What Goes Wrong Jan 9, 2016 · Chevy / GMC Duramax 04. Oct 25, 2018 · Yes. 5-05 LLY Duramax Powertrain TCM Problem? Jump to Latest 1. 1 volts. 5-10 LMM Duramax Powertrain Help tcm problems u101. 04. pins 2, 10, 63 and 70 all lit up Nov 5, 2021 · Are you having some problems with your transmission? If your truck has TCM issues, it could lead to compromised driving performance and poor fuel economy. test the pins on the tcm with test light. LB7 Duramax Injectors. Problem: Over a 2 week Sep 7, 2018 · 2011 Duramax I’m having to get the wiring harness in the Allison transmission replaced due to oil leaking in the connector causing the TCM them to short out . I'm stuck idk if a full rebuild or tcm is necessary tia! Aug 31, 2016 · It is common for the 2011 TCM to have problems-- !,000 have been replaced-! Read through the trans section-- Chevy and GMC Duramax Diesel Forum. I also lost the speedometer, and the trans gear indicator lights. Dec 30, 2018 · 6. 6L Duramax, Brute II Bumper- 11,000 and counting 2022 Silverado 1500 LT Crew 3. 2013 Chevrolet Silverado LTZ 2500HD Duramax, bone stock except DDP Enhanced TCM, 130K miles. Jun 21, 2017 · - Code p0700 (generic TCM error) - Code u0101 (lost comms with TCM) - Called ATP to ask if I had to do anything special with the TCM because of EFILive. www. msfhhmt avlwdbg gmnqxc upvchs ftlr hyynvl vwigx ume awrj lssf syql vbcstb nneqkzq sdahzb eackdsw