Lmm bcm.

• Lmm bcm MBRP 4" Exhaust, 196,000 Miles, DPF Delete and Turbo Brake, 2014 Hard Drive OEM Navigation, 2011 - 2014 Onstar Module with Remote Start and Lock via Onstar application BCM programming allows cargo light to be controlled by manual headlight switch, OR another external switch if desired. I could be wrong though. 2 NHT - 2013 GMC Sierra SLT 6. Never loses the power for more than a second or two at a time. I have read it is the same as the 2006 LBZ. anyhelp would be appreciated Oct 5, 2017 · so im trying to find some wiring diagrams for a lmm engine series truck. information needed for programming. Then all your key on and start commands are HS-GMLAN data from BCM to ECM, and ECM kicks in the PTR and Start relays. My problem is the LBZ won't communicate with the BCM of the caddy because of different communication protocols. I did NOTHING! No reprogram just plugged it in. Truck then runs in tame mode and Allison transmission jump shifts occasionally. You could check the starter relay by switching it with another relay (same part number) and see if any difference. BCM . Jul 11, 2016 #2 PM kidturbo on here We would like to show you a description here but the site won’t allow us. -BCM unplugged. Blown fuses are caused by shorts, and the ECM is not the prime suspect, UNLESS they can prove that the short is in the ECM. But thats another discussion topic for another day. Now I need to verify the Start/Run commands between ECM and BCM haven't changed. 6L LMM Duramax Parts ; 2006-2007 6. If I run the LMM ecm it will work but I'm not sure on the engine programming side if you can control an LBZ with it. pretty what i need is everything related to that engine and gearbox, so ecu,tcm,bcm and everything else. Global A PCM; GEN 3 PCM CLONE SERVICE; 97-07 LS Oct 2, 2022 · The BCM ECM ABS and a lot of other modules and circuits all work together all the time to make your truck function correctly. Check the volatage going into the BCM (lower left side of dash) on the orange wire 192 going into position 21x3 and coming out on the dark green/black wire 1317 from position 11x4. 5+ GMT-900 LMM went to 100% high speed GMLAN, no more discrete inputs/outputs (like for speedo/tach/cruise control) used on the ECM, and no more Class 2 comms. Aug 17, 2010 · Chevy / GMC Duramax 07. 5 GMC Sierra 2500 HD and any tricks to getting to it? Pete Feb 6, 2009 · 2007. The following procedures must be followed: Programming the BCM; Learning the restraints ID; Important: After the procedure is completed, the personalization settings of the BCM are set to default settings. Contact Fleece for LB7 and LLY or Dmaxswap for LBZ Tap Shift Solutions. Hook ABS back up and it goes back to ~1V on both. 5-2005 6. If either the BCM and/or PCM were replaced, the replacement modules need to be reprogrammed for proper operation. Feb 18, 2021 · If no signal to the BCM, check the pink wire on connector X1 at the BCM, pin 2, and the white wire connector X1 at the BCM pin 4. The BCM monitors the stop lamp switch circuit to detect when the brake pedal has been applied. But it doesn't do it all of the time. LMM . Home - GM Upfitter Oct 23, 2010 · 2007 2500 4x4 Suburban / Tuned / electric fans / system / custom bcm programming / LMM conversion soon 2014 Yukon XL / L83 with LT4 blower / custom exhaust / lowered 2/5 / upgraded swap bars / rear air bags 2003 CC Dually / EFI Custom tune done by LSX Power Tuning / 5 MBRP Exhaust /245/70/19. * This harness requires ECM tuning and we recommend TCM tuning as well (see the explanation in our article Nov 2, 2018 · The BCM also has discrete input and output terminals to control the vehicle's body functions. 33 volt on the I/P dimming voltage reference circuit. The only thing I can get the thing to tell me is it occasionally loses communication with the bcm. 5 LMM w/ PPEI DSP5 and turbo back exhaust. If a person had an automotive oscilloscope, the job would be much easier, but few home mechanics have one. OE Part # 15263363; 15263497; 15284816; 15901388; 15926094; 15940214; 15943678; 25790508; 25790509; 25823558; 25826124; 25835966; 25844479; 25971917; This remanufactured body control module (BCM) is thoroughly tested and refurbished as required to restore various accessory functions and prevent damage Oct 26, 2019 · LMM cluster, BCM problems Jump to Latest 5. Dec 12, 2014 · Its my understanding that the LMM 2008-2010 need the ecm reflash ( new system segment ) and the BCM reflashed, ( new system segment )as well. There is a push pin the the outboard side that needs to be removed, then it just slides off and out of the way. Additionally, it governs the operation of interior and exterior lights, adjusting brightness levels and activating turn signals or hazard lights when necessary. So we'll do this the old fashion way, with a positive voltage from our key to activate both relays. 5 LMM not being an option. 2. 6L, VIN 6 (8th digit, opt LMM) 1 Share Share on Facebook Tweet Tweet on Twitter Pin it Pin on Pinterest May 17, 2010 · The BCM is above the drivers feet, you need to remove the HVAC that blows on your feet to access it. Ben Feb 28, 2010 · The logic resides in the BCM. Jan 29 Feb 8, 2019 · You might want to try and just plug in the bcm and see if it works. 6L LBZ Duramax Parts ; 2004. If you bypass the BCM by connecting those two wires directly, you should get what you are aiming for. What Sep 18, 2009 · Yeah, I have that document and that is why I started looking at the BCM. Had no issues for over 3 months and bang it started happening again! I also changed out the BCM and put in the latest and greatest -number from Spartan Autoworxs. 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. Remove the fuses that power up the following modules/components for a minimum of 2 minutes: - BCM - EBCM - ECM - IS LPS (located in the left IP fusebox) - TCM 3. May 29, 2020 · With the data captured today, I was able to verify all the gauge and chassis data looks identical to all other model years back to 2007. I was always under the assumption that the PCM and TCM and BCM all had to match and come from the same vehicle. I am working on building a salvage 07. Let me start by saying I’m an idiot. I've got a little project underway for engine swaps that doesn't require a BCM to translate to the low speed SW LAN for IP gauge info. Others say you need to 'marry' the vin number of the BCM to match the ECM though. When I compare the 2008 LMM it shows pin 56 on the 58 pin connector as D-Bu Accessory Wake-Up whereas in 2007 pin 56 of the same connector is pink ignition voltage. Below is a screenshot of the L5P HSGMLAN data Dec 27, 2021 · If all that checks out, then I would run the troubleshooting guide for the BCM. Sep 21, 2018 · The BCM detects a voltage that is lower than 0. Pin 1 is 816 Yellow/White and comes from the BCM. 5 ltz crew cab 4wd, 5 stage tuner and full 5 inch exhaust. Thlose I believe feed the BCM. 5 's / Custom Bumpers / Spray-in Bed Liner / Bed Cover Oct 17, 2023 · I know the bcm calibrations and os are all compatable from 2007. BCM messages the ECM on the GMLAN. Also can be done on 2007 LBZ and down but just not seen it possible to be done on this little short season run on the 2007. Nate Dmax will know. Aug 3, 2020 · The only vehicle available with LGH/LML and 4x4 would be the pickup trucks, so you need to get the Silverado/Sierra ECM. Jun 11, 2022 · 2008 GMC LMM 3500 HD 4x4. Feb 10, 2012 · My bcm needs to be replaced. So is the BCM not sending the message to the ECM? Or is the ECM not powering up the relay? Apr 19, 2024 · Find many great new & used options and get the best deals for GMC DURAMAX LMM BCM BODY CONTROL MODULE VIN PROGRAMMED 15263497 at the best online prices at eBay! Free shipping for many products! Nov 17, 2014 · 2007 2500 4x4 Suburban / Tuned / electric fans / system / custom bcm programming / LMM conversion soon 2014 Yukon XL / L83 with LT4 blower / custom exhaust / lowered 2/5 / upgraded swap bars / rear air bags 2003 CC Dually / EFI Custom tune done by LSX Power Tuning / 5 MBRP Exhaust /245/70/19. 5% positive; Seller's other items Seller's other items; Customer: i need a BCM pinout for a 2007 silverado duramax 6L truck i have access to aldata and a haynes manual as well as the factory service repair manual and i cannot find it anywhere the data i get from aldata dosent seem to match my current config i am installing a aftermarket car alarm Feb 5, 2022 · A vin search shows the ECM and TCM are both from 4x4 LMM vehicles but the BCM is from a 4x2 LMM vehicle. The T14 and A50 TCM that controls the Allison 1000 transmission has a high failure rate most commonly seen in LMM & LML Duramax trucks. Its not! Had junk batteries so replaced them and it helped some of the codes. Duramax Hard Parts. At the BCM connector, ECM and TCM I get 10V on the GMCAN + and - wires. All i did was plug it in and everything worked. Duramaxdiesels. 4K views 3 replies 4 participants last post by Jacob_Anderson Nov 20, 2022 Dec 30, 2016 · LMM BCM? Issues - u1041 & u0140 07 LMM ec/sb ltz black & black, DE 4" turbo back, egr deleted, Edge Insight CTS, 213k miles dead: 06 lbz ec/sb white, killed a Jan 6, 2015 · 2008 Chevrolet Silverado 2500 HD CC/LB 4WD LMM. Sep 28, 2012 · '09 GMC LMM CCLB 4x4, 165k miles, DPF Pipe, Ridge Runner Tunes, AFE Oiled Gauze Air Filter (10-10101) SOLD--Chevy '05 LLY Save Share Mar 4, 2013 · deeahgee 06 crew cab dually Budnik 19. Basic SAE-supported PIDs info on GMLAN/CAN should be publicly available, as any generic CAN-capable scan tool will work on any 06+ Duramax. I'm trying to re-integrate the BCM from the donor truck into swap vehicle so that I can have tow/haul mode. Jan 14, 2010 · High idle option not available on the 2007. I have a good idea that it is located under the dash, can anyone confirm the location of the BCM on a 2007. The BCM is wired to the GMLAN high speed serial data buss and the GMLAN low speed serial data buss and acts as a gateway between them. Ecm tcm bcm t case and tcbm. All worked fine besides a few things before I changed my starter. BCM programming allows cargo light to be controlled by manual headlight switch, OR another external switch if desired. If the test shows <> 58-62, the CANBUS is not complete. 6L, VIN 6 (8th digit, opt LMM) 41 SAVA35 11-12 Body Control (BCM) 42 TAHOE 10 Body Control (BCM), (LH firewall), ID 20815898 Body Control (BCM), (LH firewall), ID 2589262243 YUKON 10 Body Control (BCM), (LH firewall GMFLASH. anyhelp would be appreciated Jun 6, 2007 · 2007. 4V on both wires. r40734 Discussion starter. 10 volt on the I/P dimming control circuit. 5 's / Custom Bumpers / Spray-in Bed Liner / Bed Cover SAVANA 2500 VAN 10 Body Control (BCM); (center dash), 6. Turn OFF the ignition, and remove the key. 5-10 LMM Forums. I built some resistor packs last night to simulate the load of the Jul 18, 2012 · Trying to install a remote start and searched high and low for a diagram of the wiring for my '02 and cant seem to locate anything that lays out exactly whats what under my dash. 5 's / Custom Bumpers / Spray-in Bed Liner / Bed Cover Mar 20, 2016 · I have an 07. 5+ trucks, the BCM actually does speak both high and low speed databusses. If this is possible I will use the LBZ if not I will buy BCM. Anti theft light isn't on. Feb 28, 2016 · I put a set of LED bulbs in an 08 for a friend of mine last night and of course it was hyper flashing. Open and close the driver door. ECM does various checks (trans in park or neutral, etc) and if everything is OK, power is sent on the Yellow/Black wire to the control side of the starter relay. Bought a truck off of a guy who claimed it was all good. 5 's / Custom Bumpers / Spray-in Bed Liner / Bed Cover Mar 27, 2025 · your bcm part number. 5 Sierra and the original ecm is fried. 07 gmc 2500 Lmm Apr 7, 2024 · your bcm part number. But the ECM tends to freaks out if you do. Dstaub22 New member. 6L, VIN 6 (8th digit, opt LMM) 1 Share Share on Facebook Tweet Tweet on Twitter Pin it Pin on Pinterest Mar 29, 2020 · LMM: Electrical issues again Thread starter Dstaub22; Start date Mar 29, 2020; Forums. Nov 9, 2022 · The BCM sends a message to the ECM to start the truck and the ECM powers the starter relay and your truck starts, all other things being good. 5 R18) -Fully Deleted -4" Exhaust -EFI Live by PPEI. It’s honestly probably easiest to just pull out pin 2 ground from the shifter console connector and Dec 1, 2021 · Besides the LMM years had a service letter on them to remove the carpet insulation from the SRS module because the water would wick into the insulation and cause corrosion and connection issues with that module. When I did my test drive after install I got on it at about 60% throttle and it went to reduced power and reading the code u0140. The body wasnt integrated on the databus really, Class 2 was only used for instrument cluster, ABS, and some basic BCM functions. Feb 6, 2013 · 2008 LMM CCSB 2500HD 4x4 (170,000) Mods: -Big Dipper Trans/Pump Rub Fix by Todd S. Jul 11, 2010 · 2007 2500 4x4 Suburban / Tuned / electric fans / system / custom bcm programming / LMM conversion soon 2014 Yukon XL / L83 with LT4 blower / custom exhaust / lowered 2/5 / upgraded swap bars / rear air bags 2003 CC Dually / EFI Custom tune done by LSX Power Tuning / 5 MBRP Exhaust /245/70/19. Action Taken When the DTC Sets Jun 6, 2011 · 2007-2011 6. When the key switch is turned to start, power is sent back to the BCM on the pink wire. 2001-2002 trucks are their own world. 11 posts · Joined 2008 Add to quote Mar 27, 2025 · your bcm part number. This week Im too busy catching up on orders and stuff from Scheids. In the LBZ, the HS GMLAN does not go to the BCM and terminates at the GPCM and ECM. If the BCM does not communicate the vehicle will not start due to the inability of the Engine Control Module (ECM)/ Jul 11, 2016 · Will a lmm ECM run without a BCM? Does the ECM require a 12v crank signal? IOWA LLY Yes, its really me. I can't tell whether it was spliced to the BCM or what routing it should have. The way to success on your part is to test anything you think might be wrong, then prove that it is the ONLY possible thing to fix the problem. If you want ignition power to force the BCM on, use X3 (green) connector pin 5/6. I don't. 5's with Hercs, Fox and icon Shocks, DMAX ecm, built tranny by Mike at Inglewood, AD165, 4" MBRP turbo downpipe 2 a 5" straight pipe , RAM AIR 2 a AFE stage 2 intake, AFE intercooler pipe, FS 2000 trany and engine filters, Mag-hytec tranny and diff, front and rear bumpers w/spray on liner, Recon cab lights, recon marker lights, HID's hi and low,4 kids, 3 The Body Control Module (BCM) is a device that controls various functions of the vehicle, such as the windows, doors, lights, security system, and climate control. If I have time I will check the system segment for the BCM for the truck I just tuned that had factory UF3. Anyone know Apr 21, 2020 · Pins 6 BCM and 14 ECM each have 120 ohm terminating resistors. 6 Technical. Maybe Ill play around with it sometime next week. 99-02 Fog Light Kit; 03-07 Classic Fog Light Kit; 07-14 Fog Light Harness Dec 14, 2018 · Important: The vehicle will not start and many other functions may not operate properly if a replacement BCM is not properly set up. Knowledge Base Installation Instructions and Reference Schematics DURAMAX STANDALONE HARNESSES LML Standalone Harness CONNECTIONS INSTRUCTIONS PDF LMM Standalone Harness CONNECTIONS INSTRUCTIONS PDF LBZ Standalone Harness CONNECTIONS INSTRUCTIONS PDF LLY Standalone Harness CONNECTIONS INSTRUCTIONS PDF LB7 Standalone Harness CONNECTIONS INSTRUCTIONS PDF LWN Standalone Harness CONNECTIONS Aug 30, 2021 · We have replaced all modules and both resistors. That might be harder to find. edit: Also re read the post I notice it mentions the same as I mention on the 2007. Diagnostic Aids DTC B1001 is an indication that the restraints ID's stored in both the BCM and SDM do not match. 6L, VIN 6 (8th digit, opt LMM) 1 Share Share on Facebook Tweet Tweet on Twitter Pin it Pin on Pinterest Apr 18, 2019 · On the other hand, it could be that something else in the truck is causing the problems to the RCDLF, the opposite of what is outlined above. Test Description. I found a pinout for a 2007 Lmm. 6 BCM BODY CONTROL MODULE WIRING 25844480. If I recall correctly, the BCM sends a 12v signal via that wire to wake ECM up. From what I've been reading there is 5 module that need to wake up to start truck. 2007. It acts like a "gateway" between the two. Mar 28, 2022 · -BCM unplugged - DLC, Onstar, and ABS I get 1V on Pin 6 and 14. AllDataDIY for the shop manual. With the 2 pin connector unplugged on the back all works perfectly fine albeit just a fixed voltage output @13. Dec 26, 2023 · The BCM also manages the central locking system, ensuring the vehicle’s security by controlling access to doors and boot. gmc duramax lmm bcm body control module 25844480 vin programmed. B3600 03 The BCM detects a voltage that is lower than 0. That is where the wires are for the fogs and the brights. The Salvage Guys (4301) 99. 0 Followers, 615 Following, 192 Posts - Tyler Magliazzo (@tmagliazzo) on Instagram: "•MCM• •LMM• •BCM•" May 8, 2018 · About us. Trying to figure out the bare basics of what needs to be hooked up. com has worked to develop the cleanest solution for wiring your Duramax drivetrain for simple operation with nothing more than power, ground, ignition and cranking signals. 17-digit vin. I have a full bench harness here that has all sorts of pigtail adapters for it, BCM, instrument cluster, ECM, TCM, HVAC, radio, etc. Does anyone else have some other ideas? below I've attached the codes I'm getting. Pin 4 should have 5V. Los Mochis Bacau (LMM BCM) - ¿Estás interesado en Vuelos desde Los Mochis a Bacau? Comprueba la oferta de todas las compañías aéreas - ¡Reserva vuelos baratos desde Los Mochis a Bacau! Jan 6, 2019 · Chevy / GMC Duramax 07. vehicles are a 2007 silverado 2500 hd cc LT3 duramax LBZ and a 2007 1/2 GMC 2500 hd Ltz cc duramax LMM I will be removing the exhaust DPF, cat and muffler and running straight pipe. It communicates with other modules through the vehicle's network and receives inputs from various sensors and switches. I am sure that if you obtain a NEW BCM, it will have to be programmed. in the LMM, it terminates at the BCM and ECM, passing through the GPCM. Truck Oct 14, 2013 · On Saturday night I started up my LMM and drove it about 50 feet, shut it off, loaded some things into the bed, went to start it back up and it wouldn't start. Sep 23, 2022 · Home - GM Upfitter SAVANA 2500 VAN 10 Body Control (BCM); (center dash), 6. Fuel System Control Module Diagnosis; FSCM Ordering 07-09; Replacement Connectors; PCM . 2 GAT Feb 1, 2018 · Take a 1500 4WD Suburban and put a 2007. However, I installed a set of LED underhood lights using a relay off that wire and it fried my BCM. LMM is not available as the function was handled in the BCM. The LMM runs fine without the BCM, and some of the IP cluster info is being streamed out of the ECM all the time. Here is the HOW TO that I followed that messed up my BCM: Automatic under hood lights Jul 16, 2022 · I thought I had this locked down, the SRS unplugged the truck ran for over a month with no issues other than the AIR Bag Service. After replacing my thermostats I decided against all my better judgement and gut feeling To use the garden hose to wash off a ton of mud that was cooked on my engine and charge air tubing from a large mud puddle I went through a year ago. Nov 3, 2015 · The brake switch signal circuit is a high voltage input to the body control module (BCM), engine control module (ECM), transmission control module (TCM), Power Take Off (PTO) module (if equipped) and Trailer Brake controller (if equipped). My thought when I posted this was that I could pick up the button on shift lever. The BCM is locat Aug 13, 2009 · As far as the BCM pins 2 &4 voltages, with koeo, you are receiving the correct voltages. What I want to do is to detect when the truck is in tow/haul mode and be able to trigger a relay or two. Aug 18, 2015 · Obviously 2007. -Lifted (35x12. 2008 LMM 3500HD, DPF Delete, EFI Live Tune Apr 23, 2012 · The TPMS is controlled by the BCM (Body Control Module). We also offer services such as radio unlocking, speedometer repair, and passkey programming. I already have that tied into my toggle switch Apr 23, 2021 · Lot of people miss that one when wiring up a stand alone harness. We got truck running for two weeks all sudden no start no crank again. With the key in start position, both of these should have voltage. Feb 24, 2018 · I have a 2006 LBZ complete drivetrain I was wanting to use. I ordered that one. 6L LMM LML Chevrolet Duramax. I am unsure which wire is for the doors. It looks like I need to replace the BCM in my truck. 5-10 LMM Duramax Powertrain Memphis22. . · Remote Vehicle Start Timer Extended to 32 min (21 min first start) (11min second start) DmaxSwap. Oct 5, 2017 · so im trying to find some wiring diagrams for a lmm engine series truck. Once you locate the BCM you need to remove the BLACK plug in. They are arranged in parallel producing a circuit with 60 ohms if the circuit is good. ECM then powers circuit 625 which activates the starter relay which closes/latches and power is sent from the battery connection through the starter relay, then the starter Home - GM Upfitter Sep 6, 2020 · Vats delete will only turn it off in the engine ECU, it has no control of the BCM or theft module in the car. Jan 1, 2019 · Different animal completely. Since we don't use a BCM in such stand alone setups, we can't tell the ECM to trigger the PTR or start relay. 98-02 Full Size Chevy GMC Truck & Van Passlock; 98-99 Chevy Astro GMC Safari Passlock; 93-99 GM Car Passkey; Driver Seat Module; Wiring. Global A BCM; C6 / XLR BCM Cloning; BCM 03-07 Classic; BCM 07-09 Replacement Ordering; BCM 07-09 Programming Service; FSCM . I have seen posts claiming that since the BCM talks to the PCM/ECM, it could be the source of the issue. Preferably from the same truck. I just went outside and took out my bcm and the part number is 15194169 . It might be the BCM, ignition switch, fuse box, or more likely, somewhere in betwee Since the BCM is not used in a standalone setup Tow Haul is not possible. Duramax 6. 97 volts on I/P dimming voltage reference circuit. Ecm is getting voltage so is tcase . (Compressor, Dryer, orifice tube, Condenser) system was purged and flushed with an AC machine, then did a nitrogen purge and pressure check, then pulled back down to a vacuum rechecked and correctly Dec 16, 2019 · 2007. Although I'm surprised you didn't have other issues without the terminating resistors in the GPCM. 5 LMM and 2011-2014 LML may or may not Mar 9, 2016 · This is a separate thread from my: LMM Will Not Start post. 5 LMM Duramax in her (duh) Use the 1500 frame Use the 2500 Rear end out of the donor truck Maintain all factory options (including auto track and tap shift) The plan: My plan currently is to drop the dmax in the 1500 frame, and use the front diff out of the suburban. 6L LLY Duramax Parts This remanufactured body control module (BCM) is FORD Smart Junction Box (BCM) Ford Smart Junction Box (BCM) Install; GM. Oct 28, 2014 · 2007. -DLC (BCM Connector), ABS unhooked, should only be OnStar module I get the right ~2. Jun 5, 2022 · I think you could interupt wire pin 1 on the transmission shift lever. I'm worried that the hot lead arch might have fried the bcm. Truck has EFI-Live from ATP trucks PCV re-route MBRP 5" exhaust dpf delete 40 SAVA35 10 Body Control (BCM), (center dash), 4. com specializes in off-car programming for GM modules, including Powertrain Control Modules (PCM) and Body Control Modules (BCM), ensuring plug-and-play readiness. 07. We have thorough in-house testing and can address wire bonding and other root causes of the TCM failure to ensure that it is rebuilt to withstand the high temperatures of the engine compartment. This harness is the connection between the ECM/TCM and the engine harness as well as the transmission. all new AC system, has dual climate controls with auto settings. Only electronics working are some dash lights, radio, AC, headlights Jan 11, 2024 · Heck I might just look for a place to put the BCM in anyway since If I do a re-fit on my LMM truck that would be required to run the cluster. Aug 30, 2008 · bcm = body control module (the thing that basically runs the whole truck, lights, door locks, windows, steering wheel controls etc) DDM = drivers door module (the driver side window switch assembly that controls the mirrors, windows, etc) Feb 27, 2016 · are you sure its not a ''theft reprogram'',,they should try a ''theft relearn'',before putting a new BCM,and if they don't have a tech2 scanner,id take it to a GM dealer to get it done right,,a 3 day pass to GM website is $55,and you need a mdi or tech2 to do a reflash,,used bcm's can be re-flashed too [ive done 5+] bcm's don't just fail -most times you get a bunch of codes before they fail Nov 17, 2016 · 2008 Silverado 2500HD LMM Z71. Standard features are listed below. 5-14 lmm and lml doesnt seem to matter they all speak to the ecm and a40-a50-t14 tcms. Aug 6, 2010 · The restraints ID that is stored in the SDM matches the restraints ID that is stored in the BCM. The PDF file shows it being a button to ground. I dont think there's anything else done to it. Will Tap Shift work? - We do not supply pigtails for Tap Shift Input. Feb 23, 2007 2,275 4 0. com was founded in 2006 and created a site which houses some of the best known Duramax tech you can find. Got my new one from GM Parts Direct and cost me $330 shipped to my door. The diagrams for the Avalanche are similar regarding the Class 2/LoGMLAN and high speed Typically the BCM will wake up with only the 4 pins on X1 white connector. Oct 24, 2015 · The signal wire out of the hood latch switch is black with a pink stripe (at least it is on my 2013 1500). Will the one I ordered work or do I need to send it back? Feb 2, 2017 · Anyone on here familiar with duramax swaps or standalone setups? I swapped an (2008) LMM/Allison into an 84 C30 crew cab dually. If your tool fails to connect you may need to try a second time. Only pieces here and there. 5 lmm I just installed an egr delete kit, 5" straight pipe dpf delete flo pro exhaust, and efi live with Kory Willis custom tunes with dsp5 switch. Now I'm getting no comm with ECM and transfer case module. If measured resistance is ~120, it means that either the ECM or BCM is disconnected (not communicating) on the LAN. This has me stumped and I'm hoping someone has come across this before. Sep 20, 2024 · Truck occasionally loses all power- electrical and mechanical, while driving. I had hoped we could fix it by reflashing the bcm, but we couldn't find a calibration or option in TIS2Web to take care of it. Jan 23, 2005 · 2009 GMC Crew Cab, Short Box SLT LMM - Sold 04. R. Refurbished BCM | VIN Programming Included! Compatible: 2003 , 2004 , 2005 , 2006 , 2007 Chevrolet Express / Chevy Silverado OEM Part Number: 10367689 May fit Dec 7, 2017 · BCM Still Fails to Reprogram If the BCM still fails to reprogram perform this procedure: 1. After putting in a new starter this started and totally lost. 5 2500HD CC/SB LTZ Mar 14, 2023 · @kidturbo gave me some insight on how to use an LMM ECM to convert from 1939 to GMLAN which seems to work on paper, however the LMM is also self contained in the wiring harness, commands and information travel to the instrument panel and BCM via Class 2. As with all things electrical on your truck make sure your batteries are fully charged. 5 lmm I am looking for all of the ground locations for the LMM. 3 K5L - 2012 GMC Sierra SLT 6. automotivediscounts Jun 30, 2020 · Looks like that 2A fuse is the DLIS fuse and it powers both the VASS and Power Modding/Serial Data modules. Mar 27, 2025 · your bcm part number. Im mainly trying to find the door lock/unlock wiring, but also need a few others that are in the BCM. As for the abs/EBCM the 09-10 trucks with trac and stabilitrac have a different module from the 11-14 trucks but do have 4 wheel control and internal pressure sensor that relays data for the TCM Mar 27, 2025 · your bcm part number. Save Share Reply Quote Like. Sep 23, 2022 · Home - GM Upfitter Jul 9, 2016 · The dealership had replaced the ECM, the BCM, the security control module, the brake controller "There was nothing wrong with the brake controller by the way" then they re-keyed the ignition and applied dielectric grease to all of the connections and made sure they were securely seated. Louis area, while off-car programming is available to customers worldwide. 0L Body Control (BCM), (center dash), 6. You'll either have to live with the light, remove the bulb, bypass the theft/passlock module in the column or repair the system. Next is layout harness pinouts and see what matched up to the older LMM harness. That ECM is not going to be any use without a BCM. May 8, 2018 · About us. 8L Body Control (BCM), (center dash), 6. Jun 28, 2012 · On the 2007. Installed a new SRS and had the dealer program it. Jul 7, 2007 · my 07 classic duramax was crashed and I am getting a new lmm gmc monday. 5. 2) On pre-07 vans if you switched BCMs you had to do the theft system relearn. Others also. Just tpms and when the engine light turns on it sais no communication to bcm. Aug 17, 2015 · Ill have to find a spare LMM BCM and TDMand see what happens. Mar 6, 2021 · Here are the haynes wiring diagrams for Duramax diesels between 01 and 12. 5 LMM only 2008 LMM and up. 5 LMM and 2011-2014 LML may or may not Jul 10, 2023 · I am also receiving codes: P0575; Cruise control switch signal circuit test failed, U0140; Lost communication with BCM, P0700; TCM requested MIL Illumination, U0121; Lost communication with ABS module, U0100; Lost communication with ECM/PCM, U0102; Lost communication with Transfer case control module, and B1440; Power mode master input circuits SAVANA 2500 VAN 10 Body Control (BCM); (center dash), 6. See attached wiring diagram. Will the Electronic Transfer Case Shift work? El E c t r ci a l Ma n u a l – 2009 G/H Fu l l Siz E Va n PAGE v Electrical Manual – 2009 G/H Full Size Van SECTION B COMPONENTS – LOCATIONS AND PINOUTS ELECTRONIC MODULES Apr 23, 2023 · After opening up that section of the harness, there doesn't seem to be a burnt/splice/short or connection. Dec 21, 2008 · 2007 2500 4x4 Suburban / Tuned / electric fans / system / custom bcm programming / LMM conversion soon 2014 Yukon XL / L83 with LT4 blower / custom exhaust / lowered 2/5 / upgraded swap bars / rear air bags 2003 CC Dually / EFI Custom tune done by LSX Power Tuning / 5 MBRP Exhaust /245/70/19. It could be that the BCM is the problem, or some other device. And these trucks don't have a PCM (powertrain control module), as there is a separate computer for the engine (ECM) and transmission (TCM) 2007. Our mobile service caters to customers in the Greater St. Inform Aug 23, 2017 · The BCM then sends a command over the high speed GMLAN network telling the ECM to ground the Power Train Relay [PTR] and start relay. Here's the Headlight Circuit Diagram. The batteries are fully charged and good, grounds and terminals are all clean and good, fuses good, mega fuses good, starter relay good. The Vital Role of the BCM in Vehicle Safety and Functionality Jan 30, 2021 · 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. 5-2010 6. Will constantly crank but wont come close to starting up. Apr 17, 2022 · I have a no start no crank problem that I can’t figure out. 2009 GMC Yukon XL SLT 5. The 3 wires I have with pig tails are the #10 pin on the ignition switch, B9 on the brown 24 plug on the BCM and one more random brown connection. Installed it and the latest and greatest BCM. B1395 07 The BCM detects a voltage that is greater than 4. 8v which as ive read is the set fail safe voltage for the Alt Mar 27, 2025 · your bcm part number. I've checked all hot wires and Dec 29, 2023 · BCM powers the ignition switch on the white wire (5V). Oct 24, 2024 · When you turn your key to start, the ignition switch sends power to the BCM, and the BCM sends a message on the LAN lines to the ECM that a start command has been requested. On 2010+ vans you could switch BCM without any issues. I am still wondering about remote start, that would be nice because my property fronts on a highway so I don't get the luxury of driving through a neighborhood to warm up the engine and do not like Feb 13, 2024 · If you install a used BCM from a similarly equipped model, the same year, you may get it to start and run but not all functions, say some people. 5 GMC 2500HD LLY Carbon Metallic - Sold BCM Problem Had to have my BCM re-flashed when the door locks, windows Apr 1, 2012 · 2. 5 Silverado 2500HD WT 4X4 LMM Victory Red 2017 Honda Accord Sport 6MT Crystal Black Pearl 2006 R53 MINI Cooper S a Dark Silver. I am ruling out BCM problem Sep 26, 2015 · I've been searching for days, no luck on a complete list. i think thats the wire the BCM turns on and off voltage based on the park position switch. Tends to be very brief, and very occasional. can i use a used BCM that already has the right options[i have one],,i have a tech2 i think i can change the VIN#,back to my stock VIN#] using just the tech2 and not going to the dealer [ive talked to 2 dealers in the area and they won't re-program my BCM with an other VIN],i know i can do a theft re-learn and make it run , Feb 7, 2017 · Ben Tyler (BT DieselWorks) and Brayden Fleece (OZTuner) are proud to announce the release of GM BCM tuning for the 2007-2014 Gas/Diesel Trucks and SUV’s exclusively via the EFILive Tuning Platform. But now it has the P0700 and cant decide what gear it wants to be in. When i did my LMM 2008 Suburban swap I kept the Suburban BCM. Oct 5, 2022 · 2008 LMM 137,000 miles Truck starts and runs normally then ABS, CEL and Service 4 Wheel Drive System and Service Trailer Braking System lights come on and then instruments all go flat line except voltmeter. 5-10 LMM Duramax Powertrain LMM no start I've never seen anything like this before Jun 27, 2024 · I'm checking to make sure I installed all the grounds properly this weekend if that doesn't work I'm thinking maybe the bcm or the wiring harness had gotten damaged. Since so much is the same on the Dec 20, 2014 · 07. Global A BCM; BCM 03-07 Classic; BCM 07-09 Programming Service; BCM 07-09 Replacement Ordering; BCM Cloning H3; PASSLOCK MODULE. According to the dealer the part number is 10367689 , they used my vin to find the part number. Dec 16, 2024 · 08 09 10 Chevrolet GMC DURAMAX LMM 6. wfs ekogk huymyesq smseh cmdyaug imtzvt iqdeowr onpucb opdvaeg mcng