2008 Chevy Silverado Ecm Problems - Fuel pump relay not switching on.

enamorándonos usa 2022 The TCM Also didn't require me to buy new credits. Bad ECM Symptoms: Chevy Colorado. This condition may be caused by a poor BCM ground at G218. 3 is a fantastic engine with cam swap and AFM delete, I think the only option would be to swap a 6. There are cases, however, where the ECM illuminates a Check Engine Light mistakenly, or when there is no issue present. 2 pump actually flowed 20% less fuel than the CP3. Some of the symptoms of a bad powertrain control module are. party banquet hall near me 06 Silverado ISS / 06 Silverado SS / 06 300C SRT8 / 93 C3500 dually. 5 Silverado would not pass inspection due to emission monitors not ready. It controls various features, including ignition timing, fuel delivery, emissions, turbo boost pressure, idle speed, throttle control, and so much more. Put one lead on the negative post of the battery and the other …. For example, if you oxygen sensor is reading too low or too high on certain parameters, it is not indicating a …. craigslist los angeles area Was pulling wiring for a cb radio out of cab and came across PURPLE and BLACK wires that weren’t connected. For the DIYers, the wiring schematic includes diagrams that show how to connect the relays. Chevrolet Silverado 2500 HD ECM-Power Relay Replacement costs starting from $109. Shop for the best Computer for your 2005 Chevrolet Silverado 1500, and you can place your order online and pick up for free at your local O'Reilly Auto Parts. While we’ve listed some of the most common symptoms of a bad ECM below, it’s not the primary cause for any of these. Jan 18, 2010 · Chevrolet Forum - Chevy Enthusiasts Forums. We look forward to hearing from you! A P0606 fault code could indicate it's time for a PCM replacement. My truck was having problems starting. This engine uses a 3-wire crank sensor (one voltage supply, one ground, and one signal wire back to the ECM). The alternator has been upgraded with two 70 amp rectifiers vs the stock 50 amp, and a smaller pulley. Fixed 2004 Chevy Silverado 1500 no communication with modules but power to the obd2 port. Add your vehicle in Manage My Vehicles. Code P0300 stands for “Random or Multiple Cylinder Misfire Detected. I have a 04 Chevy Silverado 3500 HD with the LB7 Duramax Engine (6. If you can't communicate with the ECM, …. chevy silverado water pump replacement cost You could also try unplugging the ECM, replacing the fuse, then seeing if the fuse will blow again with the ECM unplugged - that way ruling it out as a possible problem. The only way to make changes is to buy an unlocked ECM from a vendor and program it to your liking. Aug 31, 2012 · Hello everyone! This is my first post here and my first Silverado and I need some help. Processing time is 1-3 Full business days (Mon-Fri, excluding Holidays). have no power at 20amp pump fuse, key on. Many aftermarket stereos, on the other hand, have auxiliary inputs, iPod control. After this, the scan tool will instruct you to bleed each wheel. 2008 Silverado LT, Crew Cab, 2WD,LB. The ground path is provided at G104. May 29, 2019 · Scratchlock Discussion starter. ECM-1 fuze pops when the ignition is turned on. Look at the ECM side and make sure no pins are bent. 6L Duramax V8 Diesel (RPO LMM - VIN 6) Engine Supercede: THIS BULLETIN IS BEING REVISED TO ADD MORE 2008 MODEL YEAR VEHICLES. Use the meter to see if you have power to the starter with the ignition key in the "start" position. Start up the Chevy Silverado and check to see if the fuel gauge is now working correctly. Try and open your truck hood and remove the negative lead on the battery of your truck. The 2011 Chevrolet Silverado gathered over 550 consumer complaints and six National Highway Traffic Safety Administration (NHTSA) recalls, mostly about the airbags. If the wafers are damaged, it is better to replace the ignition system. So maybe the voltage regulator is going bad. If you decide you need professional help, consider giving Solo PCMs a call. Corrosion on the wiring harness and increased moisture are common causes of faulty ECMs. webmd medication interactions In this video I talk about the problem with the PCM in my Chevrolet 2500HD with the 6. Get ratings and reviews for the top 11 gutter guard companies in Chevy Chase, MD. Transmission: 14 percent have problems. Here are the most common causes of P0128: Thermostat Stuck Open – Far and away, the most typical cause for the P0128 code is a thermostat that is stuck open. Get ratings and reviews for the top 12 foundation companies in Chevy Chase, MD. Worst 2008 Chevrolet Silverado 3500 Problems #1: Multiple Injectors Failed 2008 Silverado 3500 Average Cost to Fix: $7,100 Average Mileage: 116,000 mi. To fix this issue, you’ll need to test for a parasitic power draw. The ECM then stores a code in its memory that indicates the nature of the malfunction. This morning the battery is fully charged but my attempt to start was defeated. When I went to look at the truck the AC blew cold and all the gauges seemed to be fine. darley newman net worth 2007–2012 Chevrolet Avalanche, Corvette, Silverado, Suburban, Tahoe 2008–2012 Chevrolet Silverado Hybrid, Tahoe Hybrid 2007–2012 GMC Sierra, Yukon Models 2008–2012 GMC Sierra Hybrid, Yukon Hybrid 2008–2009 HUMMER H2 Equipped With Gasoline Engine and 6 Speed Automatic Transmission 6L80 (RPO MYC) or 6L90 (RPO MYD). ECM Removal – for 2019-2021 Silverado/Sierra 6. A bad PCM-power relay may cause the vehicle to crank, but not start, or sometimes not even crank at all. STEP 1 – The ECM is located behind the felt liner in the front driver side wheel well. Andrew (Wednesday, 31 May 2023 15:47) Need wiring diagram for Rav4 j 1998 modle #39. Learn about common causes of the U0100 code, and how to diagnose them. How to Diagnose a No Crank, No Start Chevy Avalanche or Silverado 5. Don’t buy a new or used replacement part, send your original part to UpFix for repair and save $100s! The order process is fast and easy. Plug the pressure relief valve in the oil pan. A “0” tells you that it is a generic ECU fault code, while a “1” indicates that the code is specific to your car manufacturer. The following tools are available from Kent-Moore (1-800-345-2233) for use in removing and relocating the VCM wires: 1. Need help diagnosing a electrical problem; 98 chevy tahoe, 210+K miles, 2WD, 4DR. Identify the wires leading to the CKP sensor. Its slow and was developed in the mid 90's. This code typically sets in conjunction with one or more of these codes: P1760, P0562, P0561, U1000, U1301, U1305, U2105 and P1571. One of the easiest tests to perform is to see if there is power and ground being supplied to the ECM. condition of the charging system. 0 takes me into the procedure, but there is no rev limiter (yikes!), and time after time the procedure does not complete successfully. It started a week ago when I felt the engine sputter a bit under load in OD. 4-5 days Shipment process with Free Shipping. The U0140 code stands for “Lost Communication With Body Control Module (BCM)”, which usually means the BCM isn’t properly transmitting or receiving signals from various switches and sensors in your vehicle. I checked under the hood and the engine isn't any hotter than normal. Then if it doesn't with the relay out, it's the relay itself (all while the ign is off). As a result, the PCM will need to relearn TAP values. redneckred March 25, 2020, 4:17am 1. While this light can illuminate as a result of a long list of troubles, having a bad ECM is one of them. Avoiding these warning signs or delaying taking action could cause further vehicle damage, or even a system-wide failure. Swap out the AFM lifters for standard lifters. 2015 Chevy Silverado 1500 No Crank, No 2008 Chevrolet Suburban - No Start - Damaged Wiring Harness Chevrolet Communication Problems Uxxx . 2008 Silverado 2008 B Owner Manual - Download PDF. 6L engine size and matching part number 12609441. Now find the PCM it is on the intake plenum front part on the left (drivers) side of the engine. One of the most common 2007-2013 GMC and Chevy truck problems owners experience is excessive oil consumption. 0L engine size and matching part number 12617174. step one: double check vehicle preparation. Assuming you are referring to the Chevrolet Silverado, according to Consumer Reports, they have averaged a lifespan of around 100,000 miles. Drivers seat- Heated seat-- If you press the seat back heat button, it will turn on for a short amount of time (less then 5 minutes) and will turn itself off. Equip cars, trucks & SUVs with 2008 Chevrolet Silverado 1500 Engine Control Computer from AutoZone. 3-liter V8 was dropped in 2022 from the Silverado engine lineup. A remanufactured ECM can cost $200 …. 3L - PCM ECM ECU | 12594750 | Flagship …. So try to tighten it and restart your truck. referral codes reddit Put the block heater on and left it - returned later but the same issue. unblocked moto x3m 911 Basically, there are two temp sensors, one for the gauge and one for the ECM. After cleaning, reconnect the cables in reverse order, positive first, then negative. com has worked to develop the cleanest solution for wiring your Duramax drivetrain for simple operation with nothing more than …. 2008 2500HD Sierra 4x4 6l90 WT (Very few modules, manual windows) Driving along, the trans goes in to limp mode. Look for the LT DR circuit breaker. Jul 17, 2011 #2 Only problem is that I am stuck with an ecm that is not programmable. TEST 1: Connect the positive DMM lead to DLC pin 4 and the negative DMM lead to the negative battery terminal, using jumper wires if necessary. Used 2 different diagnostic tools, older Snap-on Verus and an Autel Elite, with no communication to either one. Apr 20, 2020 · All vehicle computers, modules or whatever we'll call them, have the ability and necessity to retain memory. They are encrypted and locked against any type of reprogramming by anyone except a GM dealer. This problem only affects trucks equipped with the 5. 2) Has helped tremendously in gas mileage when not towing. Completely non-functioning vehicle. The Vehicle Speed Signal wire goes to the Black connector, slot #50 Yellow /Black wire on that …. I need help diagnosing an engine problem on a TBI 5. If the relay shorts it can leave power on to the computer, even when the vehicle is turned off. Positive or negative battery cables. If no power under these conditions, start back tracking into your harness and find out why no power at that starter. Replace the valley cover with a flat, non-AFM valley cover. 5 to 2010 as I was told that the part number is 25835966. There is a long thread on here about the problem. Turn the ignition switch to the “On” position for 11 minutes a third time. 6L LML Glow Plug Control Module 12650593. Over the last 3 months or so I have been getting intermittent ABS and stabilitrak lights as well as the brake light. Ok so i got a new ECM tuned up from MMLMM and now the truck wont start. Checked for power at pin 86 while cranking and 0 volts was found. Make sure all relays and fuses are seated in fuse block. You should only be seeing this code if you have an engine with at least 8 cylinders. Intake camshaft position (CMP) actuator, bank 1 -incorrect park position. All of the GMT-800 body communications (radio, BCM, rear seat audio, instrument cluster, onstar, radio amplifier, dvd, 4wd module, windows/doors, ABS, etc) use Class 2. 3L engine size and matching part number 12629001. natispotatis Discussion starter. Nov 4, 2020 · So the problem with my truck ended up being the abs control module, it had an internal leak from the abs motor block and was going into the module shorting it out. I tried resetting my TCM and ECM back to stock from efilive and the TCM won’t communicate with efilive. Furthermore, some models (2008-2010) may need to have the ECM reprogrammed. That's when I took it to chevy and they said the ecm wasn't responding. The ECM is located in the vehicle’s power distribution center, which is located beneath the hood. Now, go put the negative cable back on the battery and tighten the nut. If the scan tool does not receive data from an OBD II vehicle. 6L LBZ Glow Plug Control Module 98041624. Some mid size wires the go to a mega fuse block on the firewall. 2009 Saturn Aura XE (wifes car). In most cases, the Engine Power Reduced warning indicates that your car’s performance has been intentionally limited. Trans will not shift out of first gear, brake and ABS dash lights on. On “V” configuration engines, it’ll usually be the second cylinder on the head further away from the front of the. The LMM is an extremely capable engine. Make sure that you’re checking for trouble codes and doing what you can to make …. When the P0090 code is present, the truck will limp and drive somewhat "normal" but still has a reduced fuel pressure of 2000-3000psi. I am no mechanic, and don't have the solution - others. As he shows, the vehicle has clearly identified a problem with the 5V REF2 circuit (P0651). It’s important reminder that a power failure could also be caused due to: Transmission problems. Aug 21, 2016 · That's when I took it to chevy and they said the ecm wasn't responding. If you use both the seat and back heater button, it will remain on but will only heat the seat. In addition to this, your unit will come flashed to its most recent updates which will enhance its fuel economy and optimize the performance of …. Step 5: Monitor for Any Changes in Performance. james avery ram charm electrical problems 16 NHTSA complaints: 48. 3L engine size and matching part number 12618031. some systems, especially the evap system, need to have a specific level of fuel in order for the tests to be trusted. There are fewer complaints than older years, making 2008 a good model year with a long 250,000 mile average lifespan. This should take about ten minutes. Set the temperature to the desired level and adjust the fan speed. So, that’s where you should start your investigation. Having a wiring diagram can save time in diagnosing electrical issues, as it provides a clear. You may then wait for 5 – 10 minutes, after which you may then put it back. Intake manifold and gasket air leaks. to vehicles equipped with V8 engines may have condition where the throttle position sensor may cause the engine to run rough and cause the malfuntion indicator lamp/or engine reduced power message to illuminate. obituaries alton telegraph Additionally, pay attention to any unusual sounds or …. SOLVED! - No Start, Multiple U1000 codes, Class 2 Serial Communication Problem | GMTNation. ACR remanufactured units come with a Limited Lifetime Warranty (Made in the USA) Expedited shipping options available. This bulletin outlines the repair procedure for the vent valve solenoid and can be found on google by searching the TSB number stated above. 2008 Chevy Silverado Ecm Problems serves as your mentor, providing detailed insights into exam formats,. PAY ATTENTION, for whatever reason, TRUCK …. Check to the right front of engine for the harness containing MAF and HO2s wiring. Poor fuel economy and increased emissions are also quite common. When an ECM starts to go bad, it can cause all sorts of problems. After a few tries, it regained power and started with the gauges just acting up for a short period. Did reset/Idle relearn and CEL light went out. It would run with a slight miss but was not noticeable at hwy. crosswoods roblox In this video I diagnose a 2008 Chevy Silverado with a no crank complaint and no communication with the Engine Control Module. Pull and reinsert the fuses for the HVAC before starting the truck. 3-liter V8 and is more common on the 2007 to 2011 models. No communication with Glow Plug Control Module. This includes routine oil changes, brake inspections, and tire rotations. This wire usually breaks inside. 1 john 4 nlt Recognizing symptoms of a failing Body Control Module (BCM) is integral to maintaining your vehicle’s optimal functionality, safety and longevity. The housing itself should not be grounded. As mentioned above, the ECM controls the engine timing, and air/fuel ratio. Aparantly I got the ECM and the Fuel Injection Control Unit confused. Start the engine and let it run for five minutes. Limp mode often reduces power and limits the engine RPM to make it safe to drive your car to a mechanic without damaging the engine. 0 liter a transmission problem for sale in 2004 chevy silverado wiring diagram2007 chevy 2500hd transmission …. Here are six of the most common symptoms you may notice. 8 liter has had the TPMS indicator on. Make a Visual Inspection of the System. Model_Silverado 2500 (47) Model_Silverado 3500 (47) Year_2008 (9) Year_2009 (9) Remanufactured Chevrolet Duramax Engine Control Module - Lifetime Warranty. For more automotive diagnostic. 2 Inability to start the vehicle. 6 Duramax and then back it out of the shop but before I could take the truck for a drive I had to lock my shop up then I found out the truck would not shut down with the key in the off position it kept running I finally pulled the ECM fuse which cut the engine off but with the key out but the check engine light. Before you can even diagnose P0304 in your truck, you need to find the fourth cylinder’s location. Find something helpful? Spread the word. How do you really reset the computer in your truck? Why is this such a mystery and why can't you locate …. Duramax “upgraded” the injection pump for the LML models, going from the Bosch CP3 to the CP4. For example the 2015 Chevy Silverado 1500 with a regular cab and long box weighs 4,68. Hughes 2002-01-01 Chevrolet Silverado Chilton Automotive Repair Manual 2014-16 ANON. ACDelco 2 Terminal Multi-Purpose Sensor - 213-928. Can jump it at the starter and it spins. 2017 CHEVROLET SILVERADO 1500 6. This is a Repair and Return Service for your existing Chevrolet Silverado (2003-2007) ECU ECM. 3L code in the ecm: P0521 (new, OEM oil pressure sensor recently installed - Answered by a verified Chevy Mechanic Have had problems with Oil Pressure gauge dropping to 0-20 psi. It’s an unfortunate fact that a stuck 4WD is not the worst of the Chevy 4×4 problems. Pulled C1/C2 and the red plug …. Direct TPMS, sensors are installed in the wheel. 2008 : Chevrolet : Silverado 2500 HD: LT, LTZ, WT: 6. Access our Silverado 2008 Harness Routing Views Repair Guide by creating an account or signing into your AutoZone Rewards account. It is quite reasonable to check to make sure the connector side female pins have not been pulled back out of place, or just barely out of place. 2008 Sprinter 2500 170 - camper van. BCM ( LOST COMMICATION CODES )3. The worst complaints are engine, accessories - interior, and electrical problems. Refurbished 2008 Chevrolet Silverado 4. 3 liter with Automatic Climate Control. In this video, you will learn 4 symptoms of a bad or failing engine control module. , which seem to be common symptoms. Turn the ignition switch to the “On” position (as in step #1) for 11 minutes again. How corroded are the connections. This Engine Computer also referred to as an Engine Control Module (ECM), Engine Control Unit (ECU) & Powertrain Control Module (PCM) is a guaranteed replacement for all 2008 Chevrolet Silverado 1500 PCM models with a 4. Maybe im still stuck in the diesel game, but its widely proven that reflashing your ECM does much more for you than a box tuner, for example, EFI live vs bully dog tuner. Select the Warranty Claim Code tab. It provides a visual representation of the electrical circuits and components, helping to identify any problems or faults in the system. the ecm is covered by a black cover. removed, only the ECM, TCM, and BCM will be online with the scan tool. While you might've heard of Transmission Control Module (TCM) or an Engine Control Module (ECM), a PCM controls both of those functions. Make no mistake, If your vehicle has active fuel management, …. 2008 - 2009 Chevrolet Tahoe Communication Computer Module 25826499 (Fits: 2008 Chevrolet Silverado 2500) LIFETIME MONEY BACK GUARANTEE!! QUALITY USED PART!! Pre-Owned: Chevrolet. 6L engine size and matching part number 19260758. 2006 Chevrolet Silverado Electrical Problems. home depot near to me Tighten the retaining nut or bolt to 16 N·m (12 lb ft). New Circuit/System Testing for Parasitic Draws. for the Cache, Under your hard drive, program files (86) General MMotors Tis2Web file, then delete the TLC. While the GM/UAW strike is over, there are still a SMALL NUMBER of supply chain issues. The vehicle was running great until the non start happened. Learning can only take place when the PCM has determined that an acceptable shift has occurred. 3 that came in with the engine light on and a code P129D-00 that won't . The engine seems to run and sound perfectly- but one BIG problem. 6L All modules are VIN programmed, flashed and updated with the latest dealer software to improve drivability and fuel mileage. If the system cannot correct the problem, it will notify the driver with one a charge indicator and a driver information center message of SERVICE BATTERY CHARGING SYSTEM (if equipped). 2 (LT1, LT4) Corvette 2014 2019 the engine control module (ECM) will command the cylinder deactivation system ON to deactivate engine cylinders1, 7, 6, and 4, switching to a V4mode. The first time this happened it was also raining and he was driving. When the ignition is on, this gauge indicates the battery. In August '16 purchased a used 2011 Silverado 1500 4. GM Troubleshooting Part 8 - ECM/PCM Computer 1998 CHEVY PICKUP TRUCK 5. This Engine Computer also referred to as an Engine Control Module (ECM), Engine Control Unit (ECU) & Powertrain Control Module (PCM) is a guaranteed replacement for all 2000 Chevrolet Silverado PCM models with a 4. Checked from ECM X1 pin 52 to pin 86 at the starter relay and had 0. 0L) Subject: MIL illumination with fault code P0056, P0060, P013C, P013D, P014A, P014B, P0157, P0158, P0160, P0161, P0430, P2272 or P2273 might be caused by damaged oxygen sensor wiring. 0L I6 LZ0 was introduced for the refreshed 2022 Silverado 1500 model, and replaces the 3. Besides engine issues, the other main issues include rare engine stalling, infotainment system issues, slight issues with brakes, transmission lurching and quality of paint on the truck. The truck was throwing tons of codes by the time it got to the dealer. If continuity exists between pins 9 and 69,then refer to steps in eSI for ''NO Engine Crank'' and/or ''No Communications''. 3L engine size and matching part number 12612397. Here are the two main methods to reset the computer on your Chevy Silverado: 1. salvage propane tanks for sale near me jobs papa johns The vehicle was taken to shottenkirk Chevrolet quincy (1537 n 24th st, quincy, IL 62301, 217-919-0388) where it was diagnosed that the fuel rail pressure sensor failed. Wheel speed sensors – They measure how fast each particular wheel is turning. Position the main engine wiring harness ground terminal and install the nut or bolt. There are two ways to disable or delete Active Fuel Management on your GM or Chevy Gen IV LS or LS-based Vortec engine—one is to install an AFM Disabler, and the second is to install an AFM Delete Kit. Start by following the manufacturer's recommended maintenance schedule in your owner's manual. At the BCM connector, ECM and TCM I get 10V on the GMCAN + and - wires. 2008-2011 GM part # 12612384 - Engine Control Module. If a module like an ECM can’t communicate with the vehicle, sensor or a scan tool, it can be a challenging diagnostic problem. speeds with the CEL only coming on intermittingly. Replace your camshaft with a non-AFM camshaft. You may need to drive the vehicle around to improve the battery condition, turn off. Failure to communicate with the ECM, failure to communicate with the TCM, fuel pump module (which they replaced), evap, antilock brakes. There should be at least 2 relays for the fans, maybe 3. Jan 25, 2012 · GM: 2007-10 Chevy Silverado 2500, 3500 HD, GMC Sierra 2500, 3500 HD (6. This module belongs to the hardware code 12612397. There are steps to replacing an ECU. We tried for hours to get it to connect with the ECM again to no avail. 3L (Blown 20a PCM B Fuse) 2000 chevy Silverado starter problems NO CRANK/ . Wait 10 minutes with the key in run. Whatever and wherever you find it. Do you have a 2008 Chevy Silverado that won't crank or start? Watch this video to learn how to diagnose and fix the problem with simple tools and tips. My mechanic said to drive it for a while to "Set" the codes, and the READY indicator (?) to allow him to perform the tests. By the way this is a 2004 chevy cab and chassis w/dual tanks. starbucks tumbler sale We do not suggest deleting VVT unless you have physically removed it. Filter 47 products Sort 2007-10 Duramax 6. I know this is generally a relay issue, but a friend of mine told. Step 4: Start the Vehicle and Test the AC. DTC U010 is set when the transmission control module is unable to receive or send messages to the controller area network (CAN). These elements may both lead to ECM shorts or …. #1 - Trouble codes indicate SYMPTOMS, not problems. 3 4 speed automatic 2013 Buick Enclave Premium AWD 3. 0L All modules are VIN programmed, flashed and updated with the latest dealer software to improve drivability and fuel mileage. First of all, disconnect and reconnect one connector, then see if problem is fixed. stock 4L60E on 5th filter/fluid change; 2nd set of drive shaft u-joints; rear diff new bearings; 2nd fuel pump and fpr; ABS pump circuit solder reflowed; 4th water pump; 2nd fan clutch; new front wheel bearing units; new front …. Engage the transfer case - which your manual lever does, and that seems to work well. I put a 250 amp alternator on my truck almost a year ago, and have had zero problems. 2019 Chevy Silverado 2500 High Country L5P CC/SB S&B CAI, Banks Derringer & Pedal Monster w/iDash, Banks differential cover, …. 6 Liter Duramax diesel engine with an Allison 1000 . This is likely a two person task. Again, this is an issue that is often traced back to the front axle engagement switch. Transmission issues start again. A dead battery, faulty TCM, and data bus issues are the most common causes of a logged U0101 trouble code. So, what is p0449 chevy Silverado 2008? P0449 is an error code that indicates a problem with the Evaporative emission control system (EVAP) or a faulty solenoid circuit. The truck stays running until you shut it off, then it won't start. Learn More 2008 Toyota RAV4excessive oil consumption;. Oct 14, 2022 · An ECU is a computer, so buying one will be expensive. A yellow light will illuminate if the engine control module cannot resolve the issue. 2013 Chevy Silverado U0100 U0073 High Speed Bus Off, no communication PCM BCM! CANBUS ISSUE 2008 Chevrolet Suburban - No Start - Damaged . Learn More #2: Power Door Locks Stopped Working 2008. According to Popular Mechanics Magazine, some of the most common problems and complaints reported by owners of the 2008 Chevrolet Silverado 2500 HD include: 1. find the dark green/white wire. 2008 Chevy Tahoe Ecu Programming And Diagnose. **Want to own the tools I use ?? Click on the amazon link below to get my top 5 Tools I use**Automotive Test Light- https://amzn. Started resistance checking all …. Expert Advice On Improving Your Home. how to summon a windy bee •The Data Link Resistor 1 is open or shorted. 2003 Chevy Silverado 2500 HD duramax LB7, with EFI Live, S&B cold air. Traced them back to the top plug on the pcm. The engine has actually proven a lot more reliable than RAM’s disastrous EcoDiesel and Ford’s already retired mini …. So the problem with my truck ended up being the abs control module, it had an internal leak from the abs motor block and was going into the module shorting it out. DOD AFM delete done, now problems!!!! So after getting the dreaded lifter issue (Cylinder 6) I decided to put a reman engine in with the DOD/AFM delete, so hopefully this wouldn't ever happen again- and due the fact that I had 190K miles on my 2007 Avalanche. Almost all of the essential functions … See more. Find detailed instructions here. Attempt to start the engine, and then release the key to the “ON”. The ECM controls and directs your entire drivetrain (unless there is a serrate transmission controller). Published on June 17, 2022 6:38 pm.