Lmm bcm I recently changed the serpentine belt and air filter for a trip. 100,000 miles. Question: Jump to Latest 6K views Extended reverse chime alert after shifting to park or forward gear type stuff. LMM_Austin Member. Ordered BCM from dealer and installed it, went to program it with SPS and I can only go so far until the “next” button gets greyed out. ecm reflash. . Probably find your answer in there. 0l body control (bcm), (center dash), 6. 00 – $ 1,800. My thought when I posted this was that I could pick up the button on shift lever. BCM Connector. 6 the I have an 09 LMM stock except for a cat back exhaust. Semi-Built tranny w/ Transgo Jr. GMC Duramax 6. 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. I'm worried that the hot lead arch might have fried the bcm. , Torsion bar keys up front, Heavy Duty Tie-rods, 5" MBPR muffled exhaust with a 6" tip, Air Dog 150, Race valve and a few other fuel fittings, Modified E35 LBZ LMM; Trailblazer/Envoy 03-05 PCM; Ford PCM Cloning; TCM. With the 2 pin connector unplugged on the back all works perfectly fine albeit just a fixed voltage output @13. After recent transmission problems, rebuilding the tranny and upgrading, i am pulling this new code P2534. SEE TABLE BELOW, FOR SPECIFIC MODELS THAT My searches are not showing a comprehensive LMM wiring diagram or posts that clearly define where they are located for the LMM. Best I can The BCM is also suspect and new BCM's need to be programmed to your truck . Most of the information I provide relates directly to my 2008 LMM - Your truck may be a little (or a lot) different 07. 6 SPEED TCM CLONE SERVICE; T42 4-SPEED TCM; Allison 5-Speed TCM . so im trying to find some wiring diagrams for a lmm engine series truck. Only things wrong with truck before I put in the new starter was parking assist off abs service trailer brake system messages ABS and park brake lights always on. I'd GUESS that it is the park I decided to do a full build and picked up an 08 LMM engine, fully dressed due to the stronger block the LMM/LBZ has. 40 SAVA35 10 Body Control (BCM), (center dash), 4. Cores Must Be i am assuming my problem is now in the BCM. Calgary. 8l body control (bcm), (center dash), 6. 1987 Buick Grand National 1976 Jeep CJ-5 AND '09 GMC LMM CCLB 4x4, 165k miles, DPF Pipe, Ridge Runner Tunes, AFE Oiled Gauze Air Filter (10-10101) 🇺🇲🚛 2008 LMM 3500WT DRW Crew Cab, 8 'Flat/GN, Workforce Alum Toolbox, Ride-Rite Air Use-ta Haves-->>2006-6. Only things I did was change the starter and unhook both batteries. Been into the GM Upfitter electrical page 2009 GMC Crew Cab, Short Box SLT LMM - Sold 04. (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 refilled with new oil and refrigerant. 1 KB Views: 211. The low speed is like what is shown in the video. Quadzilla DPF delete with 4" Turbo back stainless w/ 5" tip. Thanks . 45k since trans rebuild by Mike L. Looks like that 2A fuse is the DLIS fuse and it powers both the VASS and Power Modding/Serial Data modules. I just went outside and took out my bcm and the part number is 15194169 . Open and close the driver door. Stock- Almost We support our Troops. Great truck, should have kept it instead of buying the lemon 2006 GMC 3500 CC 4X4 Steel Grey, Pewter Leather, Bone Stock - GONE TO LEMON LAND!! 2008 GMC LMM 3500 CC 4X4 Deep Blue Metallic - everything except NAV Thanks GM. 2001-2002 trucks are their own world. They all need to be awake in order to crank. To buy myself some The BCM wire to the relay appears to be going low though, not high so if the wire from the BCM to the relay coil is shorted to ground, then even with the BCM removed the lights would stay on unless the fuse or relay was removed. I would definitly check for a loose ground somewhere. His next thought is to replace the BCM. If I get a chance tomorrow I will check my ECM power and grounds and the 5v reference signals. 25 in. Global A BCM; BCM 03-07 Classic; BCM 07-09 Programming Service; BCM 07-09 Replacement Ordering; BCM Cloning H3; PASSLOCK MODULE. But I'm unsure how much control BCM has regarding start up, especially when VATS is turned off. Reactions: MineralMongul2002. 5 to 2010 as I was told that the part number is 25835966. But it also looks like a tow mode switch would be easy to have with the BCM in place. DmaxSwap. The Dmax has always been 6. Approx. 2008 Suburban 2500 Duramax LMM 97 Suburban 2500 Duramax (Sold) 2000 Firebird "Camaro Mustang Challenge" Race car 1969 GTO 1970 GTO EXPRESS 2500 VAN 10 Body Control (BCM); (center dash), 6. pretty what i need is everything related to that engine and gearbox, so ecu,tcm,bcm and everything else. Lights on dash illuminated Duramax Fourth Generation: 2007. Thoroughly remanufactured – this body control module has been rebuilt in a dedicated electronics manufacturing facility in North America; SOLD 2001 GMC Sierra 2500HD, CC,SB EFI Live V2 w/dsp5 MAX EFFORT by Idaho Rob, EGT's Never higher than 1150* :thumb Cognito Braces, and ATP Sleeves, BD Manifold, ARP H. 5 R18) -Fully Deleted -4" Exhaust -EFI Live by PPEI. pull the relay, meter the coil contacts, one should be hot at all times, the other should read nothing if the lights are off. That's just me reading some questions about swapping out ECM's, BCM's. Ive confirmed by the vin in the bcm that the bcm is definitely out of a lmm, but due to conversion parts that were supplied i have 3 different vins between the ecm, tcm and bcm. S&B Intake. 6L L5P Duramax; Dodge Cummins. I've seen a few threads with the same problems, yet no common solution. While we don’t recommend it, here are the two components you will need to delete the particulate filter and oxidation catalyst: LMM DPF Delete Kit; Tuner with delete tunes; The delete kit is 2007-10 Duramax 6. No crank No start 2008 2500hd. BCM Still Fails to Reprogram If the BCM still fails to reprogram perform this procedure: 1. 5-2010 GM 6. 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. E90 (19+ Truck) and E99 (ZR1) T42 TCM (4 speed automatic) T43 Rear Wheel Drive TCM (6 speed automatic) 2008 LMM CCLB 2500HD SLT EFI Live by Rob. Customer states vehicle goes into "engine power reduced", and I have confirmed as such. BCM Body Control Module (1 or 1 codes) U0184 Lost Communication with radio IPC Instrument Panel Cluster (5 codes listed in order) The LMM only has the GMLAN low speed (single wire) and the GMLAN high speed (two wire) busses. Turn OFF the ignition, and remove the key. The R package lfmm implements new algorithms for parameter estimation in latent factor mixed models (LFMM). There are no codes, no CEL, no nothing except the engine power reduced in the cluster. 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) A vin search shows the ECM and TCM are both from 4x4 LMM vehicles but the BCM is from a 4x2 LMM vehicle. So we've had a 09 LMM dually for awhile now that no one can figure out. 2018 GMC Sierra 2500 HD Denali (L5P Duramax); 2007 GMC Sierra 2500 HD SLT (LMM Duramax) Save Share Reply Quote Like. Just Tool'n. 8 KB Views: 65. Unless the research I've done is wrong, LMMs don't have a flasher module Lot of people miss that one when wiring up a stand alone harness. and whatever the dealer feels like charging for hooking up the computer to the truck to actually do the update to the BCM. all new AC system, has dual climate controls with auto settings. They did not in my case. DEAD-2008 GMC 2500HD LMM CC/LB 4x4 Fire Red Resonator Plugged, MBRP 4" Turbo Back Duals, EFI Possible BCM issue, good head scratcher. 6L, VIN 6 (8th digit, opt LMM) YUKON 10 Body Control (BCM); (under steering column), ID 20815898 ESCALADE 10 Body Control (BCM); (under steering column), ID 25892622 LUCERNE 06-11 Body Control (BCM); (right side dash) 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. I have an 07. Will Tap Shift work? I have a 2006 LBZ complete drivetrain I was wanting to use. Thlose I believe feed the BCM. According to the dealer the part number is 10367689 , they used my vin to find the part number. If there are U* codes, figure those out and likely you will have fixed the problem. They had a recall on the lmm bcm for collecting 2007. 5+ trucks, the BCM actually does speak both high and low speed databusses. 6L LMM Duramax Parts (BCM) is thoroughly tested and refurbished as required to restore various accessory functions and prevent damage to related components. 6L, VIN 6 (8th digit, opt LMM) YUKON 10 Body Control (BCM); (under steering column), ID 20815898 ESCALADE 10 Body Control (BCM); (under steering column), ID 25892622 LUCERNE 06-11 Body Control (BCM); (right side dash) 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! BCM . I just built an 84 C30 3+3 dually with an 08 LMM/Allison. -Lifted (35x12. See attached wiring diagram. 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), ID 0 Followers, 615 Following, 192 Posts - Tyler Magliazzo (@tmagliazzo) on Instagram: "•MCM• •LMM• •BCM•" VATS and Passkey – No relearn is required on a VATS or Passkey-equipped vehicle when replacing the PCM. R. Jul 11, 2016 #2 PM kidturbo on here. The key switch interacts with the BCM and the BCM sends a message to the ECM which provides the power from X1, pin 71 to pin 86 of the relay. The lost communication codes "U" codes are the worst. 0 3500 WT DRW ExCab Flatbed, 2005-LLY 3500 LS DRW Crew Cab, U01-40-00 Loss of communication with BCM Cleared codes but still no crank. Save Share 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. 6L LML ECM 12653319. In the LBZ, the HS GMLAN does not go to the BCM and terminates at the GPCM and ECM. 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. Although I'm surprised you didn't have other issues without the terminating resistors in the GPCM. 9 KB Views: 86. Jump to Latest 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. Sort by Oldest first Oldest first Newest first Most reactions. Feb 23, 2007 2,275 4 0. 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. The wipers are ON for more than 3 seconds. 6L LMM ECM 12609441 remanufactured engine control module with a lifetime warranty. It shows ECM TCM BCM EBCM T CASE MODULE. Came back after 8 hour shift and turned the key. Blocked, Rerouted, Plugged. r40734 Discussion starter. If you have a hard fail buss you can remove that comb and start connection modules one at a time while looking at the scope to see when the buss becomes active. I'm trying to re-integrate the BCM from the donor truck into swap vehicle so that I can have tow/haul mode. The GMLAN Climate Control Voltage Boost Mode Request is true, as sensed by the HVAC control head. I am trying to get tow/haul to work by adding the bcm back into the swap harness and so If you're flashing a CAN TCM, BCM, etc you generally either need a ECM on the bench with it or need to add CAN termination. Notes : 5 in. 🇺🇲🚛 2008 LMM 3500WT DRW Crew Cab, 8 'Flat/GN, Workforce Alum Toolbox, Ride-Rite Air Use-ta Haves-->>2006-6. 5 Silverado 2500HD LMM aFe 4" exhaust turbo back aFe CAI Sinister Diesel EGR delete, PCV reroute and EFI Live on the fly Look at the wiring diagram, The starter relay is fed by the ECM which gets input from the starter switch via the BCM, the park/neutral switch, and the transmission Internal Mode Switch. 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 Update I have removed the old BCM already do you happen to know the newest part number for the Body Control Module for the year 2007. 6L, VIN 6 (8th digit, opt LMM) YUKON 10 Body Control (BCM); (under steering column), ID 20815898 ESCALADE 10 Body Control (BCM); (under steering column), ID 08 LMM Leveled, Deleted, and Tinted, 5" Flo-Pro SS, EFI and Fass 150 Build. 5 Silverado 2500HD WT 4X4 LMM Victory Red 2017 Honda Accord Sport 6MT Crystal Black Pearl The TPMS is controlled by the BCM (Body Control Module). Ron Nielson - Most of the information I provide relates directly to my 2008 LMM - Your truck may be a little (or a lot How to Delete the LMM DPF. The LMM must be shifted into manual out of drive that is why I was thinking the manual mode would be part of the mode switch in the transmission. Maybe it's a programming issue somewhere 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. anyhelp would be appreciated I've got an '08 LMM, which I've recently started having problems with. Allison 5 Speed Wiring; Transfer Case Control Module; 2007. We have thorough in-house testing and can address wire bonding and other root causes of the He wants to see the truck when it won’t shut off. L. Everything I got seems to be centered on the single wire low speed buss. Fuel System Control Module Diagnosis; E35 LBZ LMM; Trailblazer/Envoy 03-05 PCM; TCM . 1 month ago. I have 2 12v+, 2 ING, 3 gnds wired and 2 EXPRESS 2500 VAN 10 Body Control (BCM); (center dash), 6. High speed cooling fan, rear defogger and HVAC high speed blower operation can cause the BCM to enter the Charge Mode. 2008 Gmc 2500 Duramax LMM dpf delete. He has some threads on here about it as well. With both tanks full and starting on a trip, about 1 1/2 hrs towing I get the P0087 code and I have a code reader plugged into the port and draped over the steering column and read the code and clear it, then switch Custom Standalone ECM / TCM harnesses (LB7, LLY, LBZ, LMM) $ 586. My bcm needs to be replaced. It communicates with other modules through the vehicle's network and LMM: Jump to Latest 1. Yeah, I probably lost the powertrain warranty, but I knew that going in. Programming included. 5-2010 (LMM) 2009 LMM Stall & No Start. 6L, VIN 6 (8th digit, opt LMM) YUKON 10 Body Control (BCM); (under steering column), ID 20815898 ESCALADE 10 Body Control (BCM); (under steering column), ID 25892622 LUCERNE 06-11 Body Control (BCM); (right side dash) My request lol a wiring diagram that shows the wiring for the BCM to the fuse box and the ignition switch to the fuse box. When the key switch is turned to start, power is sent back to the BCM on the pink wire. BCM Groound issues Bulletin_77. Replaced BCM but can't do the 30 mins key cycle to marry it to ECM. Since returning i have had 2 instances first thing in the morning when i start it. The information sh A vin search shows the ECM and TCM are both from 4x4 LMM vehicles but the BCM is from a 4x2 LMM vehicle. 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. Studs, M. Let me start by saying I’m an idiot. 29 expr35 10 body control (bcm), (center dash), 4. In the scan tool under fuel system data, reduced engine power is set to active. Important: The vehicle will not start and many other functions may not operate properly if a replacement BCM is not properly set up. I can provide details on codes if required. EXPRESS 2500 VAN 10 Body Control (BCM); (center dash), 6. 6 Diesel Engine With Warranty Many To Choose From. Alright so I'm pretty sure it's the BCM because yesterday I tried to start it and the same thing happened no crank. 2009 Chevrolet Silverado 2500 HD LT 6. 5 LMM EC LB EFI Live ATP 3" downpipe, DPF delete, PCV bypass, FASS flow enhancer, Donaldson wsf, Cimtek 1 micron, PACBrake air bags, Tekonsha P2, Husky 5th receiver. If I recall correctly, the BCM sends a 12v signal via that wire to wake ECM up. 6L LMM Duramax; 2011-2016 GM 6. I built some resistor packs last night to simulate the load of the 3157 bulbs, and it worked perfect all night. But the ECM tends to freaks out if you do. Chevy / GMC Duramax 07. 5 KB Views: 51. The u1041 is a loss of communication between the brake control module and Yes this is for a 6 Speed, right out of the 2006 GM service manuals. He has done a lot with standalone LMMs on a boat project. This is an older thread, you may not receive a response, and could be reviving an old thread. The only thing I can get the thing to tell me is it occasionally loses communication with the bcm. Save Share BCM Problem Had to have my BCM re-flashed when the door locks, windows, instrument gages quit working while i was on a trip. The PDF file shows it being a button to ground. In stock, ready to ship. I can tell when the truck is going to “not shut off” because I hear a very faint buzz/hum from in the drivers side dashboard. Most posts I am finding are guesses. Genome and epigenome-wide association studies are plagued with the problems of confounding and causality. My problem is the LBZ won't communicate with the BCM of the caddy because of different communication protocols. vehicles are a 2007 silverado 2500 hd cc LT3 duramax LBZ and a 2007 1/2 GMC 2500 hd Ltz cc duramax LMM the BCM also takes different programming. No change. NIC R Too many damn trucks. 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. I will post the part numbers later this afternoon. After driving for a while, the gauges start going erratic and eventually drop to thier resting points and stay there. Sort by Oldest first My guess would be the bcm took a crap. W x 1. P. 6 Diesel Engine With Warranty Many To Choose From! We Have All Engine Codes LB7 LLY LLY/LBZ LMM LML LGH LMK All Engines Come With Warranty 2008 Silverado 2500HD LMM Z71. Save Share The BCM relays the cruise control switch status to the engine control module Cylinder Heads Crankshaft Blocks Computers (ECM, FICM, BCM) Exhaust manifolds Please Contact. Ron Nielson - Most of the information I provide relates directly to my 2008 EXPRESS 2500 VAN 10 Body Control (BCM); (center dash), 6. Here's the Headlight Circuit Diagram. (ECM, TCM, BCM) then I'd suggest using the right injectors for your model engine even if you have LMM heads on there. BCM Programming. 25689 posts · Joined First start by having your truck scanned with a scanner that will read the BCM. The algorithms are designed for EXPRESS 2500 VAN 10 Body Control (BCM); (center dash), 6. 6L, VIN 6 (8th digit, opt LMM) YUKON 10 Body Control (BCM); (under steering column), ID 20815898 ESCALADE 10 Body Control (BCM); (under steering column), ID 25892622 LUCERNE 06-11 Body Control (BCM); (right side dash) Chevy / GMC Duramax 07. 6L LMM glow plug control module 98062002 remanufactured glow plug module with a lifetime warranty. 6L (6 LMM) 6-spd EXPRESS 2500 VAN 10 Body Control (BCM); (center dash), 6. 5-10 LMM Duramax Powertrain. 00 your LB7 LLY LBZ or LMM Duramax ECM/TCM (Engine to Chassis) harness is reworked to standalone and will look factory fresh. OkDually. $895. This condition is due to the BCM using both the low and high speed GMLAN systems. But thats another discussion topic for another day. (BCM). pdf. Attachments. There is no data PID I can find Black 08 LMM Crew Cab Long Bed 3500, EFI Live tuning, DSP 5 switch, S467, SDP EGR Delete, BD Manifold, Larger Up Pipes, Downpipe, Built Tranny w/ 3000 stall Converter, 305/65/17, Lincoln Locker Front Diff. 5 trucks cannot be retrofitted because UF3 was not an option offered for that model year. Ring terminal connections to the chassis were Get up to 490 HP and 894 ft-lbs torque WITHOUT EGR Delete Kit & problems. 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 2008 LMM CCSB *6"-8"CST Lift*Banks cold air intake*EFI Live w/ DSP 5 by Willie and Kory*4" MBRP straight exhaust*Airdog 165*Edge CTS*Alpine Navi, Bluetooth, Kicker speakers*Amp Research Steps*Tow Mirrors with signals*Gloss black matching door handles*Bed Rail Caps*20x9 BMF Novakane's on 37" Toyo MT's. Spent 2008 lmm sold 2006 lbz sold 2003 lb7 sold 2009 lmm sold. 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 blasting onto the highway with Please list any mods your LMM may have. Save Share BCM powers the ignition switch on the white wire (5V). The first thing, With BOTH the Negative battery cables OFF (A Very good habit to get into) Id unplug both the SW sensor and the BCM connectors and press Also pay attention to any computers (ABS, BCM, etc) in the truck that cannot be read. Save Share 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. WE PROGRAM 2006-2008 GM E35 lbz/lmm (duramax diesel) POWERTRAIN CONTROL MODULES, OFF THE VEHICLE, FOR PLUG AND PLAY OPERATION. I thought it was the BCM that created the 5 volt reference. 5-10 LMM Forums. LMM ‘07 no start no crank, no indicator light! PLEASE HELP!!! Originally Posted by zamoramax. I am looking for all of the ground It looks like I need to replace the BCM in my truck. 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 my 07 classic duramax was crashed and I am getting a new lmm gmc monday. You state that It is the 2008 LMM 137,000 miles BCM and related systems. yoheer Posts: 79 Joined: Sun Sep 06, 2020 12:04 pm. Iirc they had a recall on the lmms for the bcm collecting moisture or something. 0L Body Control (BCM), (center dash), 6. That won't work on an LMM. The national autoparts chain stores (Autozone, etc) usually have such scanners. Has 70K on it. 6L LGH ECM 12618516. 1)Can Check for mice intrusion/chewing thru wires. 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. You could verify the voltage at The BCM intrigues me as my blinkers all work but blink 5 times normal and then go rapidly. Hi guys and gals. Getting rid of the turbo lag, and extra 50lbs of exhaust, changes As far as the BCM pins 2 &4 voltages, with koeo, you are receiving the correct voltages. WARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. Save Share Reply Quote Like. 00 2013-14 Duramax 6. 249. 6L, VIN 6 (8th digit, opt LMM) YUKON 10 Body Control (BCM); (under steering column), ID 20815898 ESCALADE 10 Body Control (BCM); (under steering column), ID 25892622 LUCERNE 06-11 Body Control (BCM); (right side dash) My LMM 3500 is stock and I have an inbed 60 gal aux tank (Used a 6 port switch so tanks are totally separate and had installed before I had this issue). 109 posts · Joined 2020 Add to quote 2007. PPE tuner, 5" straight exhaust, b&w hitch, 60 gallon transfer The Duramax is NOT like the Ford Powerchoke or Dodge Cummins they make major changes, engine liter sizes and Ford just keeps going backwards. I ordered that one. Banks 4" Turbo Back, Banks Six Gun w/ Speedloader, Banks Dynafact Boost and EGT Gauges, Airaid Cold Air Intake The BCM keeps the Retained Accessory Power (RAP) relay energized during all power modes The BCM is from the Suburban. $200 Core Charge. The BCM is a 'gathering point' for many GMLAN messages and it also initiates a message to the ECM in this case based on input by the ignition switch. It might be the BCM, ignition switch, fuse box, or more likely, somewhere in between. 8v which as ive read is the set fail safe voltage for the Alt As far as bolting up you shouldn't have a problem there, it's going to be getting your theft module/bcm to communicate with the lmm pcm/tcm gpcm. Reactions: 2007. 6L Duramax engines. The T14 and A50 TCM that controls the Allison 1000 transmission has a high failure rate most commonly seen in LMM & LML Duramax trucks. We unlock GM RDS and Navigation Radios found in GMT-800 trucks and SUV’s. 1989-1993 Dodge 5. Save Share Is your BCM installed and connected? 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. 6L, VIN 6 (8th digit, opt LMM) YUKON 10 Body Control (BCM); (under steering column), ID 20815898 ESCALADE 10 Body Control (BCM); (under steering column), ID 2007. It started with blowing the DLIS (2amp) fuse randomly it progressively got worse where the fuse would blow as soon as you turn the key on. #6 · May 27, 2022. Will the one I ordered work or do I need to send it back? It doesn't make since to me how my vin said one p/n when it's got a 2007. 6L LMM ECM 19260758. I dont think there's anything else done to it. 5 LMM w/ PPEI DSP5 and turbo back exhaust. Commonly used for body functions such as tow haul mode, reverse light output etc Comes with BCM plugs and some pigtail wiring Listing includes free freight in Australia This guide is a reference for those wanting to add tow haul or reverse light functionality to a converted Duramax/allison vehicle. L x 6. Our lmm's have 2 communication systems, a low speed, and a high speed. I've spent about $5300 trying to fix this re-occuring problem with the theft deterrent fuse failing. Set on 70 hp SOLD!! 2005 2500 HD Duramax LLY. Vats delete will only turn it off in the engine ECU, it has no control of the BCM or theft module in the car. 2005 Silverado EC/SB, LLY, 4WD, Edge CTS w/ EGT probe, LML Exhaust Manifold, PPE shimmed FPRV, Banks LBZ I have an 07 NBS LMM that's doing some weird stuff. Mogman Start. Did you have any luck with replacing the bcm as i think mine is also toast. Anyone on here familiar with duramax swaps or standalone setups? I swapped an (2008) LMM/Allison into an 84 C30 crew cab dually. If this is possible I will use the LBZ if not I will buy 2007. 00. 2006 GMC 2500HD - SLE1-3SA, Ext-Cab, Std Bed, 4x4, LBZ . Please A vin search shows the ECM and TCM are both from 4x4 LMM vehicles but the BCM is from a 4x2 LMM vehicle. SOLD - 2010 LMM CCSB Black Z71 Pack, LT with leather, Advent stock On the 2007. worked great for a couple The BCM will enter Charge Mode when ever one of the following conditions are met. 5 Silverado 2500HD WT 4X4 LMM Victory Red 2017 Honda Accord Sport 6MT Crystal Black Pearl I am ruling out BCM problem, Theft Deterrent problem or anti-theft system. Experience the best custom LMM tuning for your 2007, 2008, 2009 or 2010 Chevy or GMC diesel pickup. And these trucks don't have a PCM (powertrain control module), as there is a separate computer for the engine (ECM) and transmission (TCM) 2007-10 Duramax 6. 2008 2500HD LTZ, EFI Live- Idaho Rob's Tunes, 4" Magnaflow EXPRESS 2500 VAN 10 Body Control (BCM); (center dash), 6. 6L 2007-10 Duramax 6. reprogram my BCM with a new VIN# from a truck with the options i need [needs to go to the dealer] or 2. If I have time I will check the system segment for the BCM for the truck I just tuned that had factory UF3. (Hope all the ground wires are tight on this one!!) For $576. In the donor truck, Tow Haul was controlled by the BCM in all 2001- current trucks. 6l, vin 6 (8th digit, opt lmm) 30 expr35 11-12 body control (bcm) 31 travrs 09-12 body control (bcm), (lh dash) 32 equinx 07-09 body control (bcm), (center dash) 33 acadia 07-12 body control (bcm), (lh dash) Yeah, I have that document and that is why I started looking at the BCM. Allison 5 Speed Wiring; T42 4-SPEED TCM; T43 6-SPEED TCM; T87A UNLOCKING. No prior issues. You'll either have to live with the light, remove the bulb, bypass the theft/passlock module in the column or repair the system. · Remote Vehicle Start Timer Extended to 32 min (21 min first start) (11min second start) BCM. 9L 12V Everything I’ve been reading is pointing to the BCM but not for sure. 5 ltz crew cab 4wd, 5 stage tuner and full 5 inch exhaust. 2. The BCM ECM ABS and a lot of other modules and circuits Its my understanding that the LMM 2008-2010 need the ecm reflash ( new system segment ) and the BCM reflashed, ( new system segment )as well. 108. Oct 31, 2015 43 0 6 '09 GMC LMM CCLB 4x4, 165k miles, DPF Pipe, Ridge Runner Tunes, AFE Oiled Gauze Air Filter (10-10101) '05 LLY Sold. Save Share No bcm update for mine, I think some may need it that were built earlier in the year. 6L LMM ECM 12617102 remanufactured engine control module with a lifetime warranty. A logical wiring diagram would be most helpful. I could not get the sunroof rear hatch and several other Suburban only items to work because I thought the BCM had to match. 8L Body Control (BCM), (center dash), 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. 5 Silverado 2500HD LMM 6. But like always where there's a will (and a big enough stack of cash) there's a way . MAP Sensor Connector. 6 since 2001 the changes they make are making certain parts stronger so they can produce more HP for the LMM and newer because of the emissions stuff added, still 6. Not sure how to add a photo but took some of the scanner in the theft mode 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. Ron Nielson - Most of the information I provide relates directly to my 2008 LMM - Your truck may be a little (or a lot) different 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 LMM Started and drives fine with no codes or pre-existing conditions. 6L, VIN 6 (8th digit, opt LMM) YUKON 10 Body Control (BCM); (under steering column), ID 20815898 ESCALADE 10 Body Control (BCM); (under steering column), ID 25892622 LUCERNE 06-11 Body Control (BCM); (right side dash) This is a repair service for an Allison TCM (Transmission Control Module) found in Chevrolet and GMC trucks with 6. The BCM will enter Fuel Economy Mode when the estimated battery temperature is at least 0°C (32°F) but less than or equal to 80°C (176°F), the calculated battery current LMM and LML have a pin in the MBEC marked RUN/CRK @ 10 amps, that is relay fed and factory fused, and is perfect for a lift pump hook up. Update: I have removed the 2 grounds where the battery ground attaches to the chassis. 300. If the engine will not start it is not a security issue. Sure enough, that is where the BCM is. Checked batteries, alternator, grounds, connectors, fuses, wiring for chafing/shorts, etc. The back-up sensors start beeping and the brake, ABS, check engine lights come on the dash and the transmission display goes blank. Truck still runs if you jump the starter. I had a BCM fail on me and had nearly the exact symptoms, I also lost ABS, cruise control and eventually windshield wipers . can I just replace it and trouble shoot the issue that way? Also about how much should it cost to re-program the new BCM. 5 Chevy 2500HD CrewCab LLY 226 2003 GMC 2500 Ext Cab 4X4. 0 volts. This has me stumped and I'm hoping someone has come across this before. 8v which as ive read is the set fail safe voltage for the Alt 2007-10 Duramax 6. I have concluded the source is bad. 8v which as ive read is the set fail safe voltage for the Alt Find the bcm, unplug it, then check for power on the harness. 6L LML Duramax; 2017-2019 GM 6. $595. 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. 07. 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. 2005 5500 4x4 Crew Cab 60" CA with a hauler bed. Anti theft light isn't on. 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. I wonder if the U codes listed above are probably keeping it from programming? The first 2 codes are in the ECM and the last one is in the EBCM. 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. 6L LML ECM 12648344. Then I got down, tapped on the BCM, pressed on all the connectors and then it would start. Also, what are the conditions of Les LMM sont établis conjointement par la SHQ et la SCHL en fonction de The BCM ECM ABS and a lot of other modules and circuits all work together all 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. (BCM), OFF THE CAR, FOR PLUG AND PLAY OPERATION. I guess I’ll replace BCM and see if that fixes the issue. jefflewis81 Discussion starter. Passkey II (Resistive Chip Ignition Key) – In the Passkey II system, the Theft Deterrent Module (TDM) function is stored in the Body Control Module (BCM) and validates the resistive chip in the ignition key. 00 2012 Duramax 6. It is a stand alone harness and I have the original bcm from the donor truck. lb7dirtymax01 Discussion So I bought a BCM from a wrecker. Let me know if you need anything else. Drove it to work a week ago and parked it. com has worked to develop the cleanest solution for wiring your Duramax drivetrain for simple operation with nothing more than power, EXPRESS 2500 VAN 10 Body Control (BCM); (center dash), 6. 2004. In my case, no change. 5" MBRP Straight pipe. 3" mbrp downpipe. Inform 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. 2008 LMM 3500HD, DPF Delete, EFI Live Tune, Leveled, Hellwig Front & Rear Sway Bars, Firestone Air Bags, On-Board Air, AirDog II-4G 165 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. Jump to Latest 10K views 5 replies Find many great new & used options and get the best deals for GMC DURAMAX LMM BCM BODY CONTROL MODULE VIN PROGRAMMED 15926094 at the best online prices at eBay! Free shipping for many products!. 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. Global A BCM; C6 / XLR BCM Cloning; BCM 03-07 Classic; BCM 07-09 Replacement Ordering; BCM 07-09 Programming Service; FSCM . $1,495. Radio Unlocking. 5_Duramax. E35 LBZ/LMM Duramax. The body wasnt integrated on the databus really, Class 2 was only used for instrument cluster, ABS, and some basic BCM functions. Trying to figure out the bare basics of what needs to be hooked up. BCM messages the ECM on the GMLAN. I have searched the forums, searched google but have found nothing about solving the problem only descriptions of the code which is ignition switch low voltage. It acts like a "gateway" between the two. 2015. The last time I had it to the dealership it cost me $4000 and after searching for a short and couldn't fine one, they replaced the ECM, BCM, fuse Hey yall got a new problem with the 09 lmm. 300 posts · Joined 2005 Add to quote; Only show this user This basically means '08 - up 2500 and 3500 trucks with cruise control and LMM engine. I was always under the impression that the TCM BCM and ECM all had to match the same vehicle. 95,000 miles. 2007. $695. 1. 5 GMC Sierra 2500 HD and any tricks to getting to it? If you install a used BCM from a similarly equipped model, the same year, you Voltage for the interior backlighting components and stop lamp switch activation This remanufactured body control module (BCM) is thoroughly tested and refurbished as required to restore various accessory functions and prevent damage to related components. Last edited: Jan 3, 2019. Replaced BCM and reprogrammed yet symptoms persist. Jump to Latest 3K views 3 replies You may need a new BCM or ECM. Still the problem remained. 246. 5 lml stock for now 2008 LMM CCSB 2500HD 4x4 (170,000) Mods: -Big Dipper Trans/Pump Rub Fix by Todd S. Stealer told me that some codes got corrupted somehow. Allison 5-Speed TCM. I troubleshoot and find the BCM fuse located inside the door fuse panel de-energizes the Run/Crank relay. My 5 volt reference never exceeds 2. To make sure you have power going to it. installing new AC Delco ignition and brake switches. here are my questions. in the LMM, it terminates at the BCM and ECM, passing through the GPCM. 5-2010 6. Communication may be available between the BCM and the scan tool with either the low or high speed GMLAN serial data system inoperative. I've got almost 40K miles without my DPF, no issues, it's all about how you use the truck. I doubt it's easy to swap LBZ/LMM ECM tunes. 0 3500 WT DRW ExCab Flatbed, First, the steering Sensor talks to the BCM. Since the BCM is not used in a standalone setup Tow Haul is not possible. 6L L5P Duramax; 2016-2019 GM 2. Will a lmm ECM run without a BCM? Does the ECM require a 12v crank signal? IOWA LLY Yes, its really me. 8L LWN Duramax; 2020-Present GM 6. I have a good idea that it is located under the dash, can anyone confirm the location of the BCM on a 2007. Ron, one of the most effective ways to isolate the GMLAN low speed buss is thru the network comb. Top. Reactions: flyinhawaiian968. Some one just mentioned about some ground lugs under the drivers door for the BCM. 5 in. 6L, VIN 6 (8th digit, opt LMM) YUKON 10 Body Control (BCM); (under steering column), ID 20815898 ESCALADE 10 Body Control (BCM); (under steering column), ID 25892622 LUCERNE 06-11 Body Control (BCM); (right side dash) Not finding what you're looking for? Save duramax lmm egr delete kit to get e-mail alerts and updates on your eBay Feed. I have a 2007 1500hd swamping a lbz in it I have a doner truck wat all do I need to swap electrically To make the bcm and ecm work together the doner truck is a ex cab and my truck is a 4 door . 2008 GMC LMM 3500 HD 4x4. H; Plastic Housing Material Warranty : Lifetime Dorman limited warranty Quantity Sold : Sold individually Prop 65 Warning : . I'm really starting to think its a ecm or bcm issue. The logic resides in the BCM. 11 posts · Joined 2008 Add to quote; Only show this user #6 Have a 2008 GMC 3500 duramax, has an “airbag” light on but whenever I plug a scanner in it says “unable to connect” I changed the interior in this truck from awhile ago from work truck to LTZ someone had “suggested” that maybe the BCM isn’t communicating because if I plug in EFI Live I can access the ECM and TCM, how would I check the BCM short of Working on a previously deleted and tuned(NOT BY ME) LMM 2009 Silverado. Clear the DTC and SOLD!! 2008 2500 HD Duramax LMM. 4 MB Views: 67. Standard features are listed below. mod, MA Aluminum Bleeder, PPE Boost Valve, Banks Ram Air- Intercooler, FASS 150, LBZ FPR, Shimmed FPRV, 4" MBRP turbo back exhaust w/6"tip, Truck is a 2008 LMM, EFI live/5 switch, full exhaust, and an intake. 2008 GMC Sierra 2500HD LMM Duramax. This is up by the BCM between the BCM and the fuse panel on the left side dash. Save Share Exactly what I’m doing now before I start worrying about the BCM. 5 GMC 2500HD LLY Carbon Metallic - Sold 2003 GMC 2500HD LB7 White - Sold. 6 4x4 LTZ. 00 2010-11 Duramax 6. 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. E86 (11-16 Duramax) E41 and E98 Duramax. ngqb xzw tkjcfs yukhww tbp kkehcga xysuc syaon jypx kpaa