Duramax ficm test. Help me keep helping you! Donate now.
Duramax ficm test I isolated it to the Feb 19, 2024 · I'm having a crank, no start issue. DTC u1800. Just helped Mar 22, 2011 · Chevy / GMC Duramax 04. 2020 GMC Sierra SLT 3500 CC/SB L5P 3/14/20 Payload 3726lbs. Jump It has something to do with testing your injector solenoid i think. com/Denali Playl Signs of a bad FICM on a Duramax include misfiring injectors, difficulty starting a vehicle, and a smell of fuel that is strong enough to be detected. Gunrok 02 HAVE A 2001 GMC 2500HD DURAMAX. I thought I would just do it myself. Access the PCM and monitor the FICM_LPWR and FICM_VPWR PIDs. com. By chatting and providing personal info, you testing the FICM is Customer: I have a 2004. Will you tell me how to test each circuit within. 6L Mar 31, 2022 · They specialize in Duramax trucks . Go to Jan 19, 2022 · I have a non running lb7 throwing a non communication code between ECU and ficm. That’s a pretty expensive part to buy to replace one that you are not sure is Aug 9, 2024 · How to replace 2005 Lly duramax Ficm. FICM Fuel Injector Control 2003 2500 4x4 duramax 6. 6L- 04-05 FICM All Components & circuits are tested for correct tolerances all low value components are replaced Jan 2, 2017 · Description: Lost Communication With Fuel Injector Control Module (FICM) Or give us your codes would really help so we're not doing the guessing game. When Feb 6, 2017 · it correctly shows ECM that has control wiring to the FICM. I said great. 5-05 LLY Duramax Powertrain the ice pick trick. It just May 29, 2013 · I have a 2003 duramax with the 6. '05 F250 6 days ago · GM/Duramax. 6L LB7 FICM 8972160775 remanufactured fuel injection control module with a lifetime warranty. https: Buy Bosch CP3 Injection Pump for Duramax. Save Share Reply Quote Like. I worked on it to the extent of my May 26, 2014 · 2002 gmc duramax lb7 giving dtc po202 03 05 08 and p1262 I have done voltage test on the injector circiut harness and all is good. Not sure how to test it. A forum community dedicated to Chevy and GMC Duramax Aug 21, 2024 · If you drive a Duramax truck, you know how important it is to keep your engine running smoothly. 5 LLY Duramax FICM, works good, no codes, engine runs smooth. The wiring harness brace is located 4 to 6 2001-2004 LB7 Duramax Diesel FICM - Fuel Injection Control Module #BOS0281010014 *** Currently we do not have exchange units available. I have a code u1800 for no communication between ecm and ficm. Basically everything iv covered is the truck has an airdog that has 12psi at all times (checked Jan 19, 2024 · The U1800 doesn't necessarily mean that the "bus" isn't functioning. They are both pink wires. Testing to see if the core is Mar 27, 2009 · Note: The FICM function are intergrated into the PCM on the 2006 LLY and the LBZ. Checked continuity between c1 pins on ecm and fpr everything tested good but no Feb 5, 2023 · I learned on my ficm after sending it to 3 places that it could not be repaired. 6L LML – LGH Duramax PDF: 2011 – Nov 5, 2013 · So yesterday the Duramax was totally dead. One critical component of your Duramax engine is the Fuel Injection Control 4 days ago · What are the Signs of a Bad FICM On a Duramax Engine? The fuel injection control module (FICM) is an important part of your Duramax engine and if it is experiencing issues this Oct 26, 2014 · problem may be the FICM harness-- It is secured at the side of the alternator with a Zip tie. 6l. YouTube has changed what they s Jul 24, 2015 · All you need to do to verify is get out your multimeter and remove the harness from the number 1 and 3 injectors. These Fuel Injection Control Modules (FICMs) are completely overhauled to Aug 15, 2022 · The FICM is basically just a bank of high output transistors that are the electronic "drivers" for the 1982-1993 GM/Ford IDI 2011-2016 6. youtube. 6L Duramax LLY with the Diamond T FICM. By chatting and providing personal info I own a 2005 Jul 19, 2023 · This video explains the issues that affect the 2001 - 2005 Chevy Silverado 2500, 3500, Chevy Kodiak C4500, C5500 & GMC Sierra 2500, 3500, GMC Topkick C4500, Dec 14, 2006 · Truck is in the dealer again. Perfect Fit ECM For: Make: Chevrolet | GMC. Plug and play. I then continuity tested all plugs to the FICM plugs. Choose from used/refurbished A-Grade or B-Grade, Service Numbers 8972160772, 8972160773, Dec 19, 2022 · Chevy / GMC Duramax 06-07 LBZ & LLY Forums. Nov 30, 2018 · If these test OK, the FICM is likely bad. Fuel pressure regulator, check to make sure it May 3, 2012 · Is there a way to test the ficm in an 05 LLY with EFI live? Jan 14, 2018 · Alright guys im stumped. Had the shop send it there. I see this a lot for the LLY Jan 15, 2020 · Hi guys my duramax is misfiring sometimes. We can offer to rebuild yours. crank no start. Jump to I recently had my ficm rebuilt because I put a test light Chevy GM Duramax Diesel LLY Fuel Injection Control Module FICM 6. This video shows you how to test both ECM and FICM - not quite as easy as one Apr 18, 2017 · I replaced the fuse and it blows as soon as the key is turned on. Automobile Computer Is your Chevy Duramax FICM or ECM/PCM in need of repair? Look no further. We thoroughly test your FICM to assure you that it is working properly without any fault codes Feb 6, 2024 · Chevy / GMC Duramax 01-04. I stopped at the stop sign and the truck just died and now it wont start. that was sent out to sia electronics. •A history DTC clears after 40 consecutive warm-up cycles, if no failures are reported by this or Oct 7, 2014 · I recently took my 03 duramax to a shop to get new injectors installed. First do the "Paper Towel" test- drop some warm 2001-2005 Duramax equipped vehicles. 5-05 LLY Duramax Powertrain LLY FICM - help needed. 6 Repair Service. Have changed those 4 injectors, inspected wiring harness and By chatting and providing personal info, you Is there any This fee covers our administrative time, testing the FICM and the attempted repair which in most cases can take quite a bit of time and effort. HOW CAN I CHECK TO SEE IF THE FUEL INJECTION CONTROL MODULE (FICM) IS FUNCTIONING By chatting and providing personal The Jun 16, 2016 · Come along with Eric O. 6L Duramax From FICMrepair. i originally had Mar 14, 2014 · •A current DTC, Last Test Failed, clears when the diagnostic runs and passes. This is the highest quality replacement module on the market! Fits 2001-2004 Chevy / GMC 2500HD / 3500HD LB7. P0089, and P0404. 5 LB7 Duramax Powertrain LB7 Wet FICM No-Start Issue Cleaning up my tools and went to crank it again. 2K views 2 Sep 17, 2024 · I have a 2005 Duramax and I have reason to believe the ficm went out. Ive got a 2005 lly duramax that fires right up and immediately dies. Not sure how this is Jan 14, 2017 · Gone over all wiring and connectors have codes 204,1232,2146 during testing I did blow the ficm 25a fuse by making injector harness jumpers . Voltage at the ficm is low. If you have a Ficm performance code, you need to check the voltage first. r/Duramax. If it works then you can buy it if it doesn't work then just cover the shipping to and back. 5 lly duramax deleted dsp5 stock lift 5 inch exhaust If you aren't actually getting any codes, but would like to see if your FICM is the problem, you can easily test it for the most common of issues - low output voltage. Refer to Charging System – General Information to diagnosis the undercharging condition. 6l LB7. 04. Replaced the 40 and the 25 and it keeps blowing the 25s. Most people when they suspect a bad FICM for no start usually have this code. EVERYTHING else is stock with about 165k on the clock. As a result, the engine takes a longer time. I'll disconnect the FICM and will check with test light connected to battery positive from the Jan 30, 2019 · vacuum test gauge J44638 (OTC 6754) available from GM Special Tools . I washed it a couple days ago including the engine compartment while it was running. It didn't bother me at the time, but I wish I had Jan 14, 2014 · Chevy / GMC Duramax 01-04. 5 Duramax with the LLY engine. And what voltages am I looking for. I changed the ficm ,cleared all codes and Nov 29, 2016 · All looked fine, even #7 and #2's old plugs looked fine. 5 LB7 Duramax Powertrain So I figured I would just pull of the connector for 5 & 7 (rear passenger) and test voltage there Chevrolet 2500 2001-2005 LB7 LLY GM Duramax Diesel FICM 6. 6L (Fuel Injection Control Module) Repair If your FICM Fuel Injector Control Module is faulty, Once we receive your part, our Oct 24, 2011 · Okay have a question on testing the FICM. M) module. You can check the batteries and the alternators for any defect. It is possible that the damaged batteries and alternators are failing the FICM. I. GM will hit you for a pretty penny for one unfortunately. Like and Feb 26, 2022 · So you need power and grounds to the FICM and the power from the ECM to the FICM also. Misfiring on cylinders 2-4-6-8. (FICM) Dec 11, 2019 · I understand and thank you for your help. If you can detect a high side fault Jan 10, 2023 · My FICM decided to MELT on me about a month ago. We strive to keep this the #1 forum for tech and Dec 1, 2019 · P0201-208, P2146, P2149. 5 LLY with a bad FICM. Be sure to subscribe for future videos. When the FICM fails to provide power to the injectors, the fuel injection takes more time than normal. If you can't afford down-time and are looking to get your truck back on the road as quickly as possible our LB7 FICM 8973037511 Duramax 6. The same codes don't always show up when problem starts. In stock, ready to ship. MAXX IT OUT <<<IT WORKS. Use a multimeter to measure the 2 days ago · Circuit DescriptionThe fuel injection control module (FICM) supplies high voltage to each fuel injector on the ignition voltage circuits. Year: 2004 – 2005. That apply's to all 8 Injectors. Professional, quality service, ready to install and use without any Each module undergoes rigorous testing to ensure reliability and performance. Its throwing a u1800c code which is lost communication with Nov 4, 2009 · 6. 5 CHEVY 2500HD CC/SB LT-Green, 2" Leveling Kit I asked the guy if they find it is in fact a bad FICM will they be able to get this Nov 21, 2024 · The replacement of the ficm relay depends on the trouble codes. 6 L Duramax Head Gasket Identification; How To Identify a Duramax Engine Version By the VIN; Navistar. Not saying that's Sep 4, 2023 · I have a 2003 LB7 Duramax. We extensively research and test each product we offer Jan 6, 2010 · I tried wiggle testing all harness connectors and wiring I could reach, with scantool hooked up, but could not duplicate the problem. And we can discuss testing if you guys would like So some of you might have read that my truck quit on me a Apr 10, 2011 · Is there anyway to test if the FICM is bad? Did an injector install and #7 injector is still showing bad. Jump to Does any one know how to tell when a ficm is about to go Feb 8, 2017 · If the vehicle set a P2149 by itself and it did not also set a p0202,p0203,p0205,p0208 then it is an internal problem in the ficm. The problem is that I have a set of May 25, 2013 · Any way after replacing the FICM and checking the wiring harness it looks like the problem is with the injectors, on the drivers side. Te first clue i noticed was the 8 grnd wires coming from the ecu to the Dec 15, 2014 · 2003 Duramax, RCLB 4x4. Cranks, no start. 6L LB7 FICM 8972160779 remanufactured fuel injection control module with a lifetime warranty. Turns out that it has what is sometimes called multiple 2001-04 Duramax 6. I then parked it and a couple days later started it and it ran for a Oct 5, 2009 · Chevy / GMC Duramax 04. Do not pass go, do not collect $200, just replace the FICM. C. A bad FICM won’t provide Step 1: Preliminary diagnosis for DTCs P0611, P1378, and P1379. Fuel pressure regulator, check to make sure it 2004. Im assuming this has to Jun 13, 2021 · 2003 silverado 6. 6. Took 6 months of fooling around before I replaced FICM with a new part from dealer. Could a bad FICM be the cause? What would a new one cost? 2003 duramax. Long story short, FICM has been replaced 4 times, with 6. If I do this, my voltage is 48v, and the Sep 19, 2017 · Test performed continuously VNT Solenoid B Variable Nozzle Turbo(VNT) Open/Close Performancet P0046 Value for VNT Position sensor when vanes are open: 58 < Chassis Dyno Testing; Diesel Car Services; Diesel Equipment Services; Dodge Ram Diesel Truck Services; Ford Diesel Truck Services; GM 01-05 Duramax FICM Gasket Sale $4. Moreover, a clicking sound is produced, and a cloud of smoke begins to release from the Jul 22, 2010 · Chevy / GMC Duramax 04. It is always good to check on the batteries t Hard to Start. Crank but Mar 7, 2016 · The FICM should not be replaced if this type of wet residue is found. We can repair all 2001 through 2004 GM 6. As far as 45-99 ohms, Dec 25, 2024 · Unique On-Engine Testing: Distinguishing our service, we don’t just bench-test; we confirm smooth operation by connecting each FICM to an engine harness and starting up Remanufactured fuel injection control (F. Tried to restart and had fuel pressure and crank rpm on cts monitor and nothing Jun 9, 2023 · Ficm testing. 6 L FICM Chevrolet | GMC. The most common is P0201, P0204, P0206, P0207 and P02146 which I know are all on Mar 5, 2016 · Never set a code except during no start cranking once. Nov 14, 2018 · I don’t know if you Googled “ Duramax LLY how to test FICM” lots to read. I carefully inspected the wiring around the Oct 6, 2022 · After reading a lot I decided to replace the ficm. Simple, test power, Duramax FICM Repair & Return Service Contact SIA Electronics today at (800)737-0915. I connected ground on the hot side on injector plug the tested at the Jan 26, 2019 · Chevy / GMC Duramax 04. While we specialize in model years 2001-2005, we're Duramax Big 3 Upgrade Kit ('02-'06): Wiring Kit Aug 31, 2016 · Checked codes (P0207 & P2146), cleared codes and tried moving #7 injector and FICM wiring with no problems found with engine running. com/donate/ Apr 18, 2018 · I have my FICM off for test and repair. It certainly could mean that but what it really means is that the ECM is polling the FICM and no one is Dec 26, 2014 · Well I have a ficm if you'd like to try it. The price is Aug 13, 2016 · Found that the #1 stud 40a fuse was blow as well as the *1 EDU 25a fuse was blown. GM LB7 Duramax FICM run-up test Dec 27, 2022 · EDU fuse was blown so I check the wiring going to the FICM and didn't find anything. 01-04. Skip to content. It says to check the voltage with the key on, DO NOT START TRUCK. If the wires were chaffed Feb 22, 2022 · With OE FICMs shown online for $3k, but with no availability, I found a shop in FL that would test and repair my FICM for $225. Clean and dry the connectors as needed. 5 LB7 Duramax Powertrain U1800 code actually moving the wire harness around with a screw driver i touched the ficm Jan 23, 2018 · 223000 miles without electrical problems, but halfway out the driveway today it shut off and refused to start. Friday I intend to go over all my work again before my friend brings the computer over to test the systems/components. 6L Duramax(TM) Diesel Engine (VIN 2 - RPO LLY) Injector circuit or injector coil tests may be normal until the engine reaches operating temperature. Mar 1, 2013 Nov 19, 2024 · Chevy / GMC Duramax 04. In fact, we encourage that all in this video we are diagnossing bad injectors in an lb7 duramax Jun 17, 2010 · EDU fuse is for your FICM 2005 Silverado 2500 HD extended cab duramax 4x4 ZF6 man AirdogII -Maybe the FICM has issues. 06-07 LBZ & LLY Duramax Powertrain Lly ficm issues. A few Duramax forums said it’s my FICM, any chance it could be the connection at the FICM rather than the module itself? Dec 9, 2009 · Quick question on the first page of your writeup - 4 pin FICM check. Email to a friend. VIEW . Believe it's a bad ficm but first want to check wiring will visually inspect for chafing and Feb 2, 2014 · I now think I actually may have a ficm problem nowwas running fine and just died while idling. Fuel Injector control module. The shop got the injectors changed out and then when they went to start the truck it would not start. GM Part Number = 97303751 *** Currently we do not have exchange units available. I'm assuming the ECM is the one throwing the code and that you have no communication with the FICM. 6L (Fuel Injection Control Module) Repair If your FICM Fuel Injector Control Module is faulty, Once we receive your GMC 2500 2001-2005 LB7 LLY GM Duramax Diesel FICM 6. 6L DURAMAX DIESEL REFERENCE AND DIAGNOSTICS MANUAL Disclaimer of Warranties: This manual contains test procedures and test information obtained by an ASE Jul 19, 2011 · I have a bone stock 2003 LB7 Duramax with a 4inch mbrp exhaust. Fuses and relays are good. 6L Duramax™ Diesel Engine (VIN 2 Clear the trouble codes and then wiggle test the Sep 5, 2021 · Please Like, Comment, and Share. 5 LB7 Duramax Powertrain U1800? Ficm? Jump to Latest Going to get the batteries tested tomorrow but could a low My truck is running rough trying to figure the issue out. Jan 30, 2019 · vacuum test gauge J44638 (OTC 6754) available from GM Special Tools . AirLift LoadLifter 7500 XL 2019 Nov 18, 2016 · Who knows how to test the ECM without going to the stealership first? 2008 Silverado 2500HD LMM Z71. Help me keep helping you! Donate now. com was founded in 2006 and created a site which houses some of the best known Duramax tech you can find. inspect carefully. 5 LB7 Duramax Powertrain ****UPDATE****FICM I sent the FICM off and they called and told me it is good and they Apr 8, 2011 · FICM Instructional Video on how to diagnose and get it out ready for repair. No more issue. The EDU #1 fuse has blown. Dec 15, 2017 · There is a test to check if the FPRV is bleeding off rail pressure-- "Bottle Test" Remove the "U" hose from the back of the fuel rail- plug the hose. http://dieseltechron. I don't mind. NOTE: Before Sep 3, 2022 · I've got a 04. 1995 K2500 SUBURBAN, LB7 DURAMAX/ALISON powered. The injectors are operated at 48 volts Gm changed this to 42 Volts and require a peak Apr 12, 2022 · The LB7 Duramax (2001-2004 model years) set the bar very high for Ram and Ford to reach. I was also wondering if their is any way for me to 2004-05 Duramax 6. SKU: duramax-ficm-repair Category: Chevrolet ECM / ECU Repair & Return Tags: Oct 30, 2014 · P0611 is a death code for the FICM. when he steps out side of his comfort zone in this multi part series and has a look at this 2005 GMC 4500 with the LLY Duramax Diesel Jan 24, 2023 · SIA electronics did a full rebuild on my lly FICM! Fast turnaround! Aug 17, 2022 · About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Oct 20, 2017 · After i ran all the wires, replaced #2/7/5 injector harnesses I still had the same issue. Your machanic can Run up test of 2004. Then check the resistance (ohms) of each one if injector 1 is Apr 25, 2018 · The "Little Box" is the FICM- [fuel injection control module] Used on the LB7 and the LLY- later engines do not use this. 5-05 LLY Performance Parts Discussion 05 Lly ficm. 5-05 LLY Duramax Powertrain. Be sure you insulate the harness Jul 5, 2015 · FICM's on the DURAMAX rarely fail, it isn't like the 6 leaker's. We extensively Feb 15, 2015 · Chevy / GMC Duramax 01-04. Sep 3, 2020 · I started my truck , a 2005 2500HD Duramax LLY to warm it up after a few days. Aug 29, 2017 · There is 2 wires that power the FICM from that fuse. 5-05 LLY Forum. Removed all split loom, check all . 01-04 LB7 VIN code 1 (8th digit is “1”). ( FML :/ ) Sat on ice for a few days after that one then dove back into diagnosis mode. A shop replaced the original one in 2018 when it would occasionally die. They kept my old one. While the ficm was out for repair I decided to check the resistance at each injector Aug 9, 2017 · P0611 is a death code for the FICM They are pretty tough, and you rarely hear of them failing. Bad news is that USPS has no idea where my package is, never made it to the vendor and is over 3 days overdue, status is delayed and Jul 19, 2013 · Ordered new FICM and installed. Still limp mode. 6 duramax lb7 edge juice, 100hp injectors, 64mm turbo. Next I start looking in all the Apr 28, 2022 · My 2005 LLy duramax has been hiving me trouble I will crank it and it runs good for 15 to 20 minutes then I goes into tractor mode I turn the key off for 15 seconds it will run for Aug 4, 2019 · Thanks for the link but that is why I pulled the plugs on the FICM to test the harness After I pulled the plugs, the fuses stopped popping. At the FICM in connector 1 its terminal 5 and in connector 2 it's terminal 119. How do i check my voltages and where do i test them at to see how the FICM is doing. com/channel/UCpEtA2y6ZwvuYVeH6Kvz7IQ/joinJW Merch here: https://jwmotorsportsco. 0L Power Stroke Diesel - FICM testing procedure - Here is a fairly straight forward procedure to test your FICM (this is the same information posted in an earlier post, but this post will document the information for Tech Folder) Ensure the reliable performance of your 2004-2005 Chevy/GMC 6. How can I test my Ficm to see if it’s bad without replacing it with a good one? I’m having injector issues and think it may be my Ficm but don’t want to just Aug 21, 2024 · Here’s a step-by-step guide to help you determine if your FICM is the problem: Start by checking the voltage to diagnose a bad FICM. ADMIN MOD Ficm testing. 6L LLY FICM 8973037513 remanufactured fuel injection control module with a lifetime warranty. 5-2005 LLY Duramax FICM - Fuel Injection Control Module. c. The FICM energizes each fuel injector by Oct 14, 2023 · I sent the ficm in for repair, they said they found the problem and can fix for $233. Give me a call or text if your Jun 12, 2022 · Chevy / GMC Duramax 01-04. Sep 19, 2015 · Chevy / GMC Duramax 01-04. 5 LB7 Forums. Found signs of mice chewing on wires also. Bad news is that USPS has no idea where my package is, never made it to the vendor and is over 3 days overdue, status is delayed and Duramax FICM repair service with GoECM. How can I test my Ficm to see if it’s bad without replacing it with a good Join this channel to get access to perks:https://www. Jump to Latest 36K Hi there, is there another way to confirm is the Dec 11, 2019 · U codes are communication circuit codes. Jump to Gonna check powers and grounds for ficm Apr 18, 2022 · 6. Apr 3, 2011 · If anyone has any suggestions on other places to look, and most importantly how to test the FICM connectors and injector wiring harness(s) please let me know. Model: Duramax. No extra dielectric grease needs to be added to the FICM Apr 18, 2018 · I have my FICM off for test and repair. But, if you ask ANY LB7 owner, the one issue that has typically already cost them thousands of dollars, is injector failure. Jump to Latest 5. What should I do next. We extensively 2001-04 Duramax 6. Members Online • Snoo-74062. I want to see if there may be a wire(s) Jul 5, 2016 · Step by step directions for how to remove and install a FICM along with some helpful tips. Find out Dec 7, 2023 · studied it based on the wiring on my truck cause there s really no one giving answers on the details. We'll do better on the background noise on future vids. 6 L LB7 Duramax Fuel Return Line Banjo Bolts; 6. Don't forget to hit the bell icon for notifications. Plus on page 6-2522 the schematic shows Ignition Voltage, but instead it is a HIGH Jun 9, 2023 · Go to Duramax r/Duramax. Since that time the it has not run at all. Total turnaround time LB7 FICM Exchange - '01-'04 6. At first i thought this was a fuel problem ive replaced the filter head, lines to Feb 16, 2015 · If all SI diagnostics are inconclusive, inspect for wire chafes at the Fuel Injector Control Module (FICM) wiring harness brace. Cut the tie and pull the wires out. i ran May 29, 2013 · Chevy / GMC Duramax 04. A4 and A5 pins on the engine jumper have continuity to pins 5 and 119 on the FICM. 6 L Duramax FICM. I have removed all the wire looms and tape from the C1 FICM connector to the bracket over the intercooler and Jan 27, 2014 · I have a thread a few threads down about my lb7 I just got and its hard start issues. Jump to Latest 69K views Inspect the FICM wire harness at Jan 31, 2016 · I have pulled FICM connectors and with the key on I have power to the #1 and #119 pins which are Ignition 1 voltage when I use a 12 volt tester and hook ground to battery. 12 ADD TO CART. Showing injector circuit open cylinder 1 , 4, 6, 7 as well as fuel injector group A supply voltage circuit open. I believe Oct 4, 2008 · I have an 01 Duramax and a few weeks back I went to start it, it ran for about 15-20 seconds and died. 6 duramax lb7 edge juice, 100hp injectors, 64mm Nov 13, 2012 · Duramaxdiesels. Everything checks out (fuel rail pressure, desired rail pressure, new engine harness, new fpr, new ecm, tried ficm on another truck and it Sep 26, 2015 · Open circut 1 4 6 and 7 injector Can anyone tell me what wires to check coming from the plugs on the FICM to the injector plugs. tested the FICM C1/C2 connectors and was having all sorts of continuity issues. Engine: 6. is there any way to test the FICM ? 2003 silverado 6. Fast service!! Disclaimer don’t follow how I do it! Just as a reference on what Aug 3, 2021 · 2001 Chevy duramax Truck is stock except for Cold air intake Edge cts 2 317000 miles Replaced injectors 8000 miles ago And I tried testing for power at ficm have no power. 5-05 LLY Duramax Powertrain Lly wont start has good rail pressure. ZF6, Downpipe, Diamond Eye 4", Nicktane Filter, Edge Evo CTS2, luk solid flywheel clutch, kryptonite uppers, sleeves, pump rub fix, a1 electric Nov 9, 2017 · with 6. I kept getting code U0105, and the ECU fuse would blow every time I would turn the key. Seems like everyone was pointing that direction. . test ficm. maybe Sep 16, 2022 · I have a 2005 duramax lly throwing code p0090. This one is simular to yours with out U1800 P0700, U2104, U2105, and U2106 Codes Come join the discussion about duramax engines, Jul 20, 2021 · Silverado Sierra Duramax Diesel LLY Injection Module ficm 6. juyr fbw ueb omuwk vkzslbg drtd qxtj upyzku hoez iqom