1 d
How to test duramax ecm?
Follow
11
How to test duramax ecm?
How can I test this and/or which wire (s) could I just splice in to correct the problem? Which wires/pins so I need to look for? LB7 EBCM Replacement How To Jump to Latest 33K views 12 replies 3 participants last post by lb7dirtymax01 Feb 13, 2013 lb7dirtymax01 Discussion starter 983 posts · Joined 2011 #1 · Feb 6, 2013 My dtc code says that the ecm has lost communication with the tcm. Alternatively, if shipped to us with a check, WE PAY THE SHIPPING, a 24 hour turnaround with priority return shipping. the truck used to start with a wiff of ether and run smooth. For the LB7 (01-04)remove the black plastic pouch cover and remove the 2 metal clips. The injector circuit resistance is measured between the B+ source in the FICM C1 and C2 connectors and their injector "command" circuits. i removed driver front wheel well plastic it helps while installing dsp switch alot more room. If all circuits test normal, test or replace the STRTR relay. The 5-volt reference for APP sensor 1 is supplied from the same source in the ECM as the 5-volt reference for. Turn the ignition switch to the "On" position (as in step #1) for 11 minutes again Turn the ignition switch off for another 30 seconds Turn the ignition switch to the "On" position for 11 minutes a third time Turn the ignition switch off for 30 seconds one final time So I have a 2008 gmc seirra 2500 lmm. It first must be programmed. Shop for New Auto Parts at 1AAutoto/c/4/P/electrical-auto-partsAre you having random electrical problems in your GM vehicle that you just ca. Trusted Health Information from the National Institutes of Health Have questions about gene. The command circuit pulls the injector to ground through the FICM, while the control circuit reports injector activity to the PCM. So, when it goes bad, it can knock your Silverado's air fuel ratio off. Tonight me and friend took it out for a test run. Simple, test power, ground, and communication circuits and if they're all good, replace the FICM. 2006-2007 LBZ ECM00 - $1,97500 - $1,975 2006-07 Duramax equipped vehicles, LBZ, VIN code D (8th digit is "D"). Read on to learn the most common symptoms of a bad ECM, replacement cost, and more. Berryton, KS #6. It is sometimes pretty difficult to determine this without some fairly expensive tools. Central,Louisiana #1. No more sending off your ECM or purchasing unlocked ECM from HP tuners Apr 19, 2021 · Use this step-by-step tutorial for removing your ECM to be sent in for unlocking in order to tune your 52L 2019-2020 Chevrolet Silverado and GMC Sier. These fuses act as a firewall and prevents your Spade programmer to communicate to the ECM. Real programmers are EFILive the most popular and HP Tuners Because you cannot read the existing tune in the ECM it is important you select the correct base tune to suit your vehicle. As you can see, pin #3 supplies voltage for both the MAF and the IAT. the truck used to start with a wiff of ether and run smooth. Use the lowest range possible if the meter doesn't auto range. Turn key to the "OFF" position for 5 seconds. With all of that, there's variability. One of the apparent symptoms when the ECM of your vehicle with a Duramax V8 detects any abnormality in any subsystems is the Check Engine Light. Dec 15, 2017 · There is a test to check if the FPRV is bleeding off rail pressure-- "Bottle Test". A car’s electronic control module is the computer responsible for providing fuel to the engine and controlling the quality of the car’s emissions. Need some advise/info on my 2016 LML. The fuel pump runs at full pressure all the time. I have an auxiliary radiator (from engineer837 in the Peoria, AZ area. 29 volts and Fuel rail pressure sensor is reading 9 Cam position sensor reads 5 volts on the meter. If the Batteries are good, and the 40 AMP Fuse is good you should have +12VDC OHM from Pin 87 of Relay Base to the "S" Terminal of Starter Solenoid. The ECM, also known as the ECU or PCM, is the "brain box" that controls. Yeah couple reasons, first and foremost I like the LMM OS better, plus way more of those ECM's are out there. The Check Engine Light usually illuminates when the computer detects a problem with any of its sensors or circuits. Therefore, in the case of the P003A diagnostic trouble code (DTC), you will also observe the check engine light on the dashboard. Scan tool data shows the commanded vane position is 95% at idle but the actual vane position sits around 2% no matter what. Most modules will draw under half an amp of current at 12v with very few exceptions (like E86 Duramax ECMs and T43 TCMs). 5-10 LMM Duramax Powertrain ECM issue? Jump to. First of all, disconnect and reconnect one connector, then see if problem is fixed. Details: First version of the Duramax diesel. To retrieve these codes, you will need to connect a scanner to the OBD-II port. Dec 12, 2007 duramaxin14 said: I was going to post this in the other thread titled ecm fryed but i didnt incase anyone eles has problems. P0181 fuel temp sensor malfunction. With the key in start position, both of these should have voltage. What you will need to test TCM on Duramax. 6 Technical Duramax Tuning, Logging, and Gauges 1 2 3 4 Next How-to PCM replacement on 2001 Silverado 2500 HD. If its wet then its the cooler. We're covering seven common symptoms of failure in your vehicle's engine control module (ECM). you need to remove that to see the actual ecm Dec 22, 2012 · 3833 posts · Joined 2007 rpm is read off the crank sensor. What Scan tool to check Injector balance and program injectors? Jump to Latest Follow 29K views 14 replies 9 participants last post by GS04 Dec 23, 2022 R roadsterguy Discussion starter 17 posts · Joined 2013 #1 · Mar 15, 2021 Looking for input on a scanner/tuner to read the injector balance and to install the new injector codes. Pin 4 should have 5V. Learn more about intelligence tests and some of the more inaccurate ones in this video from HowStuffWorks You've been wondering how to test a blower motor. P0700 trans control system malfunction. The ECM supplies pulse width modulation to change the duty cycle of FRPR2 to control the amount of fuel returned to the fuel tank. Jan 19, 2022 · Ficm wiring test on LB7. • Display ECM & GPCM Inj Record all flow rate numbers with the corresponding cylinders from the control modules. Why do you want to re-set the ecm? If you disconnect the battery ; all readness monitor will be erase and idle speed learn and trans will re-set and raido, clock etc. When an ECM starts to go bad, it can cause all sorts of problems 1 2. A battery voltage of 12. ⇒ If all circuits test normal, replace the ECM. The CP3 [mechanical] does not use a fuse/relay Put the safety gear on - more is better. Jun 22, 2015 · Jun 30, 2023 References voltages (like the 5V reference supplied to 3 wire sensors) are supposed to be regulated to almost that exact voltage by the ECM. The second NOx sensor is located between the selective catalytic reduction (SCR) and the diesel particulate filter (DPF) and monitors NOx levels downstream of the SCR. I have a non running lb7 throwing a non communication code between ECU and ficm. Place the transmission in Drive. May 25, 2013 · 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. Bad ECM Symptoms: GMC Sierra1 Failed Self Diagnostic Cycle2 Running Rough. ¤ If the test lamp is always off, test the control circuit for a short to ground or an open/high resistance. But do you know what they really mean, and how they work? 2005file9 Camshaft Position [CMP] Sensor Correlation CAM edges in one crank revolution =3. Sep 3, 2010 · Lol Yesterday it wouldn't run long enough to run a diagnostic test. Select the Systems Tab Click " Replace ECM " To start the function It will again ask you if the stock ecm is installed ECM Data Read Successfully. The ECM uses a microprocessor and. In this video, we'll show you how to unlock your L5P Duramax ECM and tune it at home. When the engine is off the result should be around 12 When the engine is running, it is around 13 If the results are below, you need to change the battery. I tested the starter/solenoid with a bump starter so I'm sure they work. Use the scan tool in order to compare the ECT with the ambient air temperature on a cold engine. If no joy, then wiggle each loom and see which loom causes that change. Now, before you start doing any surgery on your car, the first thing to do is to check for rust or a disconnected wire. On a lly if u can not get any gauges on the insturment panel to work wiggle the blue wire connected to the ecm. Pin 4 should have 5V. Retried and was given the missing calibration message and ECM not found, truck would not start and the DIC was dashed out. craiglst Intelligence tests are not often accurate measures of intelligence. Ignition OFF, disconnect the STRTR relay. You could check the ECM and the BCM and the data stream and the PIDs. Attach a piece of hose to the fuel rail nipple and insert the hose in a bottle, now drive the truck hard with a few full throttle runs- if the FPRV bleeds off fuel into the bottle, the valve is. ⇒ If all circuits test normal, replace the ECM. However, the problem is still there. Fuel Injector Group DTC and Fuel Injector DTCs set What Does The Code p0101 Mean on 6. IMPORTANT NOTE: This option is available for the following controllers: All Duramax ECM's and TCM's. Most modules will draw under half an amp of current at 12v with very few exceptions (like E86 Duramax ECMs and T43 TCMs). Lets have a look at this 2011 Chevy 2500HD with a Duramax Diesel. It should be a very Low OHM reading With OHM Meter set for +20 VDC, check voltage from Pin 30 of Relay Base to Pin 87 of. Bad ECM? 2004. With the FICM connectors removed, the control circuit should measure. Duramaxdiesels. The only way to make changes is to buy an unlocked ECM from a vendor and program it to your liking. Took it into a dealer in the town I am visiting. From what I understand you can't check the command wires because when it senses incorrect load it'll. It is an easy troubleshooting process and can be done by yourself. ECM will vary the boost dependant upon the load requirements of the engine. May 21, 2008 · DURAMILEAGE is the "recalibrating" of your truck's ECM with proprietary fuel maps that were developed by more than 25 years of GM automotive experience. 5225 pooks hill rd The Check Engine Light usually illuminates when the computer detects a problem with any of its sensors or circuits. Do you feel like an impostor or like you don't deserve success? Try our free impostor syndrome test and find out. Some auto parts stores have a free scan service and could tell you what the problem might be. The Data Link Connector (DLC) allows a scan tool to communicate with the high-speed GMLAN (Local Area Network) serial data modules. From what I understand you can't check the command wires because when it senses incorrect load it'll. Increase energy efficiency and lower utility bills today. Your truck has 2 batteries, when is the last time you tested them both? If you are like most diesel owners you only check your batteries health if you see signs of it not starting in the morning. Remove the sensor and see if the reluctor wheel can be wiggled with a screw driver. 06 audi S4, V8/6spd. Pin 4 should have 5V. If you are standing at the driver side fender it will be down in front of the fuse box and battery Remove the ECM Shield. Watching this video will help you diagnose to see if it's time to replace your engine control module In this article, we will show you how to test TCM Duramax. Step 1: Inspect the TCM unit. Well that answers that. Testing the speed between two computers on a local network can be done by copying a large file from one computer to the second. The ECM, also known as the ECU or PCM, is the "brain box" that controls. connect pin1 (black ground) to pin16 (pink ground) 2. Advertisement Private school. The 5-volt reference for APP sensor 1 is supplied from the same source in the ECM as the 5-volt reference for. myxfinity.com login now after replacing 2 injectors i get 2146 2155 and i think it was 2152, also a p0606 which is ecm internal fault. Shop for New Auto Parts at 1AAutoto/c/4/P/electrical-auto-partsAre you having random electrical problems in your GM vehicle that you just ca. If you are a car enthusiast or someone who wants to improve the performance of their vehicle, upgrading your engine computer, also known as the Engine Control Module (ECM) or Engin. Why do these failures happen? What you can do to fix it? the tcm is near the fan shround. A system tamper service bay test might clear it. Bad ECM Symptoms: GMC Sierra1 Failed Self Diagnostic Cycle2 Running Rough. P0116 engine coolant temp malfunction. I found a loose neg. Make sure you have at least 1/2 tank when pulling hills. The more electrical load you can apply the better. This allows us to have the product knowledge we need to. On a lly if u can not get any gauges on the insturment panel to work wiggle the blue wire connected to the ecm. Basically burns the internal ground inside, and grounding the case will allow the truck to operate. The sole purpose of the EGT is to check the temperature of the exhaust pipe and convert it into a voltage signal so the ECM can recognize it. So even the 06-07 trucks, yeah, the ECM/TCM/GPCM speaks the new GMLAN amongst themselves instead of the old J1939 CANbut they still speak to the body/IPC/BCM just the same way they have since 2003!! With Class 2! It took me a little while to do it because I kept trying to get the autocal to just read the ECM using my laptop and it would not do it. Check for circuit continuity and short to ground from the ECM terminal 48 to the solenoid connector terminal that has the DARK BLUE wire running to it. Unfortunately I now need to help him find an ECM for it GMC said they quit making them and cannot get them. wanting to check continuity from the VSS and the accelerator pedal to the ECM and/or TCM.
Post Opinion
Like
What Girls & Guys Said
Opinion
91Opinion
Be sure you check this-! There is a test to check if the FPRV is bleeding off rail pressure-- "Bottle Test". Increase energy efficiency and lower utility bills today. Bad ECM Symptoms: GMC Sierra1 Failed Self Diagnostic Cycle2 Running Rough. Call us at 1-859-737-4966 with any questions you may have about your diesel. U0100 code. How To Check A Throttle Position Sensor Jump to Latest 45K views 8 replies 7 participants last post by jc1843 May 28, 2017 T tmule Discussion starter 7 posts · Joined 2007 #1 · Jan 22, 2010 (Edited) I have a 2004 2500HD Chevy Pickup With a Duramax LLY Motor Was Wondering How To Check The throttle position sensor. The Duramax does NOT have a factory fuel pump. Your HP Tuners DIY unlock cable will plug directly into the front of your. In this video I have a look at a 2009 GMC 2500 that is exhibiting some really strange transmission issues. So even the 06-07 trucks, yeah, the ECM/TCM/GPCM speaks the new GMLAN amongst themselves instead of the old J1939 CANbut they still speak to the body/IPC/BCM just the same way they have since 2003!! With Class 2! It took me a little while to do it because I kept trying to get the autocal to just read the ECM using my laptop and it would not do it. I pull it in, hook up my Mac scanner and find a u1000, u0101 and u0106. Take the drill bit and while keeping the drill bit straight you want to drill into the bottom of the ECM plug just barely. If you can keep driving it, the ECM will run the tests and either clear the message or turn the light back on. How can I test this and/or which wire (s) could I just splice in to correct the problem? Which wires/pins so I need to look for? LB7 EBCM Replacement How To Jump to Latest 33K views 12 replies 3 participants last post by lb7dirtymax01 Feb 13, 2013 lb7dirtymax01 Discussion starter 983 posts · Joined 2011 #1 · Feb 6, 2013 My dtc code says that the ecm has lost communication with the tcm. There's just not that much to it 2) Remove plastic cover. mods for beamng Find out how crews test for oil once the hole is drilled The TSA is finally updating its decades-old security systems. i have a 06 gmc sierra 3500 lbz got this truck not running and in need of headgaskets I did those. Alternatively, if shipped to us with a check, WE PAY THE SHIPPING, a 24 hour turnaround with priority return shipping. Attach a piece of hose to the fuel rail nipple and insert the hose in a bottle, now drive the truck hard with a few full throttle runs- if the FPRV bleeds off fuel into the bottle, the valve is. DURAMILEAGE is NOT: * an off the shelf hand-held programmer. How To Check A Throttle Position Sensor Jump to Latest 45K views 8 replies 7 participants last post by jc1843 May 28, 2017 T tmule Discussion starter 7 posts · Joined 2007 #1 · Jan 22, 2010 (Edited) I have a 2004 2500HD Chevy Pickup With a Duramax LLY Motor Was Wondering How To Check The throttle position sensor. With the key in start position, both of these should have voltage. It was brought to me by the customer after having it at the local dealer for 3 WEEKS and th. Can I just plug them both in and load the trans tune that was copied from the original and the engine tune was purchased as a stock replacement tune. One of the apparent symptoms when the ECM of your vehicle with a Duramax V8 detects any abnormality in any subsystems is the Check Engine Light. GM does sell a repair connector, but it is expensive $250. Chevy Customer Service: 1-800-222-1020. This schizophrenia test helps you learn if you have any symptoms. I pull it in, hook up my Mac scanner and find a u1000, u0101 and u0106. so opted for the ecm upgrade through HP tuners. The electronic control module (ECM) of your vehicle plays a crucial role in ensuring its optimal performance. If the Batteries are good, and the 40 AMP Fuse is good you should have +12VDC OHM from Pin 87 of Relay Base to the "S" Terminal of Starter Solenoid. An illuminated Check Engine Light is one possible symptom of a bad ECM. Central,Louisiana #1. Maybe some help in here for you: P0652. When using two NOx sensors in a urea SCR system, the upstream sensor is used to estimate what amount of DEF needs to be injected ahead of the SCR catalyst to achieve optimal NOx conversion. GM does sell a repair connector, but it is expensive $250. Getting ready for a Tinder date is co. pink cotton underwear The rotor current is proportional to the electrical pulse width supplied by the regulator. Click OK on Tuning Tool, click Program CAL, press OK, scroll down to your favorite tune, press OK. May 21, 2008 · DURAMILEAGE is the "recalibrating" of your truck's ECM with proprietary fuel maps that were developed by more than 25 years of GM automotive experience. itll be between the head lights and the fuse box and its under the radiator hose IIRC. 6L LML ECM 12653319 remanufactured engine control module with a lifetime warranty. Feb 27, 2019 · Check to be sure signal(cam, crank, etc) that prompts the injectors to fire is outputting proper signal, then if it is, see if output from ECM to fire injectors is present (backprobe the ecm connector). Instead of adjusting the fuel pressure for each individual injector event. i checked the signal circuit at the ecm and its not showing any pulse so i replaced the cam connector and. IMPORTANT NOTE: This option is available for the following controllers: All Duramax ECM's and TCM's. 30, 128+ Like A atlanticmachinery 2 posts · Joined 2014 #6 · Mar 24. Schizophrenia is a psychiatric disorder with symptoms like hallucinations or delusions. For example, there is a potential to create too much boost a low engine speeds and too little at high engine speeds. This is one of the inputs the ECM uses to turn on the pump. Break the signal wire between the sensor and the ECM and monitor what the sensor is reading while the apparent pressure change from the FPR is happening. Checking the ECM-PCM Fuses at the Under-Hood PDC (Power Distribution Center) Next , The Mechanic Pulls the Cover from the PDC and using his "Scope-On-A-Rope" Power Probe expecting to see a Nice, Bright Light in the Probe Handle if these Circuits. This service is provided for ECM’s and TCM’s that, Cannot be read or reflashed through the OBD port, Corrupt OS or software report. Unfortunately I don't have access to the GM. Disconnecting the ECM is easy, you start by disconnecting the battery. Pressure test the system while its hot and remove the egr motor. • Display ECM & GPCM Inj Record all flow rate numbers with the corresponding cylinders from the control modules. Trusted Health Information from the National Institutes of Health Have questions about gene. Oct 28, 2014 · OK got it running. I have a 2007 Silverado 3500 lbz, ran it about 50 miles today with no problems at all then all of a sudden the check engine light, glow plug indicator, and abs lights came on. 2005 Duramax ECM failure Jump to Latest 38K views 15 replies 11 participants last post by sundancekid Mar 22, 2010 R rschmitz1680 Discussion starter 10 posts · Joined 2010 #1 · Mar 18, 2010 (Edited) Having a couple issues with my 2013 Duramax 75,000 miles Show reduced power on the instrument panel and it feels down on power, maybe 75% of normal. mika only fans It also involves an inject. Learn more about intelligence tests and some of the more inaccurate ones in this video from HowStuffWorks You've been wondering how to test a blower motor. 7 years of working on Dmax trucks at a GM dealer, and I think I've only ever replaced one though. Apr 23, 2011 · In 10 minutes exactly the SECURITY (lock) light will turn off. Connect the battery charger to the vehicle before you can actually use the TCM. Check your coolant temp sensor. Remove bracket holding solenoids making sure not to lose plunges and springs underneath. 0 < CAM edges in one crank revolution < 3. In today’s fast-paced world, staying up-to-date with the latest advancements in your field is crucial. Some have been able to use a sharp ice pick and tighten the terminals. An illuminated Check Engine Light is one possible symptom of a bad ECM. TESTING - TESTING - TESTING TESTING - TESTING - TESTING T.
This quiz is designed to help give you. The Fuel Rail Pressure Sensor sends rail pressure info to the ECM so that the ECM can make the correct decision on how much to limit the pressure. Testing the speed between two computers on a local network can be done by copying a large file from one computer to the second. Check from Pin 30 of Relay Base to Battery Negative for +12 VDC. latin american grocery store near me Now with new turbo the code (P003A) tells me that it is a turbo boost control problem which has a solenoid and a different plug. Check Engine Light Turns On. 2011 LML ECM removal. Learn more about the advantages and pitfalls of A/B testing on your website or in your emails. ECM has been verified good in another truck with an LBZ pump. Code 0495 (engine cooling fan speed too high). ds2 royal soldier ring The organization has awarded nearly $700,000 in scholarships to 97 students across the United States. now after replacing 2 injectors i get 2146 2155 and i think it was 2152, also a p0606 which is ecm internal fault. It acts as the brain of the vehicle, monitoring and controlling variou. Step 1: Inspect the TCM unit. To adequately utilize a scanning tool, you must also be aware of the other modules that communicate. slurred speech als reddit I then disconnected both batteries for 30 minutes, checked the lighter fuse, and pulled the radio fuse. The only other things to check are the Relay Contacts (May not be making contact) and the missing GROUND (Internal to ECM - for Starter ENABLE Relay Control). The smaller connector. If you are a car enthusiast or someone who wants to improve the performance of their vehicle, upgrading your engine computer, also known as the Engine Control Module (ECM) or Engin. If all circuits test normal, test or replace the STRTR relay. Figure 1 The DEF pump is tied into the same wire. Poor electrical connections on ECM/PCM relay circuit As mentioned above, the ECM controls the engine timing, and air/fuel ratio.
Shop for New Auto Parts at 1AAutoto/c/4/P/electrical-auto-partsAre you having random electrical problems in your GM vehicle that you just ca. Install your unlock cable jumper with the white wire closest to the firewall With your wire secure in the fuse location, work your way back into the cab of the truck with your unlock cable wire, computer, and MPVI3. cam sensor troubleshooting Jump to Latest 30K views 12 replies 5 participants last post by MTL_Dmax May 1, 2014 J jamiesgarage Discussion starter 31 posts · Joined 2012 #1 · Dec 22, 2012 i have an active code P0340 for the cam sensor. Since the balance rates are how much the injector adjusts fuel amount to even out the idle, that would be done via differing pulse widths. Does anyone know if a new connector is available for the center blue plug on the ecm, this is on the ecm/tcm/chassis harness? The harness has part number 22819207 on it, just seeing if I can replace the connector as it is broken and not locking. Example 1; If a vehicle has 1812. The ECM is encased in a steel housing. Did the test light illuminate for each cavity? Yes -> Go To 2 No -> Repair the ECM Ground circuit (s) for an open. Does your vehicle not run or stall? The first thing to check is the ECM Battery fuse located in the power distribution center. 6L LBZ Glow Plug Control Module 98022489006L LBZ ECM 1258833500 Remanufactured Chevrolet 6. May 17, 2022 · In this video, we show you how to uninstall your factory ECM from your 2017-2019 Duramax as part of the ECM Mod process required to tune with the Edge EvoHT2. Edge has just released their Evo HT2 programmer with Locksmith tool which can tune the L5P Duramax ECM and add up to 150 horsepower and 350 lb of torque at the wheels WITHOUT having to remove the ECM from the truck. Wait for 10 minutes or until the security light turns off. They cleared the code, took it for a 35 mile test drive, and said no other issues since the code did not pop up again. truenas 13 vs 12 From all out performance builds running 8 second ¼ mile territory, to 2000hp sled pullers and all the way back to the average guy looking to boost his performance in his tow rig to get up those hills a. 0L I6 LM2 as the full. Essentially an EGR delete. Start the engine and let it idle for a few minutes to warm up Locate the DEF fill port on the side of the vehicle (it will have a blue cap) Remove the cap from the fill port and insert the funnel. This procedure covers 99-06 - 07 Classic GM Trucks. The ECM is located on the bottom side of the Main Battery tray Drivers Side (towards firewall). After 90 seconds, reassemble the connections and keep the engine on; use tech2 to reset the codes of the ECM. Maybe starter switch Oct 26, 2014 · problem may be the FICM harness-- It is secured at the side of the alternator with a Zip tie. the truck used to start with a wiff of ether and run smooth. I asked a similar question about a year ago, and I was told that the cheapest way to go was with Bluedriver. The cam sensor is only used as a reference for the ECM so it knows which cylinder is at TDC. The problem ended up being a bad ECM. Choose from refurbished A-Grade, B-Grade or New: applicable warranty included when purchased with programming. Jul 22, 2017 · Berryton, KS #2. 2) Check your fuel tank to see how clean it is. After 90 seconds, reassemble the connections and keep the engine on; use tech2 to reset the codes of the ECM. The #2 is a possible problem with your truck-- When a injector connector looses contact [common for this group] it will shut down all injectors in the group and set a P2149 for this group. In order to do proper diagnostics you will need a scan tool and some special tools such as a vacuum test gauge J44638 (OTC 6754) available from GM Special Tools. i love pfp How to Test TCM Duramax. This solved the gear selector problem among the loss of communication with the TCM and a few other power loss related issues. The organization has awarded nearly $700,000 in scholarships to 97 students across the United States. BT DieselWorks - Duramax/Allison ECM/TCM pins Ben. Learn more about intelligence tests and some of the more inaccurate ones in this video from HowStuffWorks Testing Your Budget - Testing your budget can take a few months, as you learn more about your earnings and expenses. Below is the suggested resistance to be used for any DSP5 switch you may wish to design. The Edge EVO HT2 Programmer with Locksmith Tool, part number 26402, allows you to tune the 2017-2019 Duramax ECM without. If you are diagnosed with a balance disorder, you can take step. Short video detailing how to test ECM automotive grounds using a simple scanner graphing capabilities. Advertisement Of all the things that can. The FPR is a solenoid that limits the pressure created by the fuel pump in the fuel rail. This service is provided for ECM’s and TCM’s that, Cannot be read or reflashed through the OBD port, Corrupt OS or software report. :wink: 1989 GMC Suburban V1500 1/2 ton 4 x 4 350 c f 4 spd auto 187,000 mi and counting S. codes are supply circuit short or open on group 1 2 and 4. I recieved my tune and i have it saved on my laptop. Advertisement There was a time w. ¤ If the test lamp is always off, test the control circuit for a short to ground or an open/high resistance. With the FICM connectors removed, the control circuit should measure. The do same with the other connector. How to Fix your LLY Duramax Fuel Pressure Relief Valve (FPRV) Problem. It has been throwing a Code P0091 and going to reduced engine power mode. 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. If your vehicle with a Duramax engine shows a P2510 trouble code after diagnosis, the damaged ECM/PCM could be the main reason.