Harley ecm replacement procedure

The ECM may be calibrated while installed on the motorcycle or it may be connected and resting on right side footboard while calibration is being performed. 1. Refer to the REMOVAL/REPLACEMENT section 9C in the 1995 - 1996 FLT Service Manual, Part No. 99483-96A. 2. Install ECM in accordance with the installation procedure given in the Service ...

Harley ecm replacement procedure. How to program a used pcm to 2006 and up impala

8654 posts · Joined 2004. #5 · Aug 30, 2023. The EK02 computer Code is an updated EKO1 computer Code so if Ford were to replace a computer under warranty they would not use the EKO1 computer because the EKO2 calibration has some updated calibration stuff. Case in point, the AMZ1 is a 03 Cobra Computer but AMZ1 cars had a stalling issue, Ford ...

With the "Latest Diagnostic Equipment" And BTW a Mechanic is not the Same as a Technician. Technician's diagnose and let Mechanic's know which parts to change. "Best Mechanic's" guess while Technician's evaluate by process of elimination. ECM replacement is always the last resort, when all else fails. I would be concerned too.fuses (ECM power and fuel pump) for 15 minutes. This step is necessary to clear the ECM memory of the previously learned minimum throttle position. 8. Verify correct idle speed after installing air cleaner assembly. Repeat adjustment procedure, if necessary. Cold Idle Speed Adjustment NOTE All sensors and actuators must be in proper working orderIt does require a 30 minute marrying procedure to get it to talk to the ECM. ... A forum community dedicated to all Harley-Davidson model owners and enthusiasts. Come join the discussion about performance, modifications, troubleshooting, builds, maintenance, classifieds and more!First remove the tssm from it's holder, touring models are located under the seat and sport models are behind the side cover. With the ignition off give the tssm a couple of shakes to loosen the bank angle sensor (BAS). The BAS is a mechanical switch inside the tssm that can get stuck and cause a no start condition.ECU Installation. Unbolt the screws holding the ECM in place (Tool: Socket Wrench) Pull the old ECM out and replace it with the new one. Bolt the new ECM in place. (ensure the bolts are tight.) Reconnect the electrical wires and the battery. Start your vehicle to verify all the functions are working. Check engine light is off.manual for procedure. If this is a service replacement of overlay harness, then use Micro Pack 64 Terminal Remover to remove terminal in cavity 19. 13. Install V/GY pin terminal wire from ACR overlay harness into cavity 19 of ECM connector. 14. Install secondary lock following the procedure in the ser-vice manual. 15.B. Barney Biker Discussion starter. 716 posts · Joined 2004. #1 · Dec 18, 2010. Can the ECM's be moved from one bike to another? I know they say they are married to a certain serial number but is that just for the computer programing or what? Example, If you buy an engine from someone and put it in your bike can you also swap the Programed ...

ecm replacement procedureHow much does a replacement or reprogrammed plug and play ECU / ECM cost? After finding the ECM in your car to replace ECM will take a few more minutes. (ensure the bolts are tight.). I smell a rat over the internhet. CTS-V: Celebrating 3 generations of N.F.G.1. Check Engine Light Turns On. An illuminated Check Engine Light is one possible symptom of a bad ECM. The Check Engine Light usually illuminates when the computer detects a problem with any of its sensors or circuits. There are cases, however, where the ECM illuminates a Check Engine Light mistakenly, or when there is no issue present.KERR. 545 posts · Joined 2009. #8 · Jul 5, 2013. Control ALT DELETE :beer: To be honest i dont know how you do it, but sound like a good idea.. I know back in the day of the toyotas we would pull the ECU 2 fuse and leave the parking lights on at the track so it would reset the timing.. The installation procedure is divided into three parts: 1) Replacing ECM (1996 and earlier models ONLY) 2) Calibrating the ECM 3) Replacing stock air cleaner with air cleaner from kit. 1) REPLACING ECM (1996 and earlier models ONLY) 1. Refer to the REMOVAL/REPLACEMENT section 9C in the 1995-1996 FLT Service Manual, Part No. 99483-96A. 2. I have a DF Goblin kit car with the the drivetrain/electronics from a 2008 Cobalt SS/Turbo Ecotec/LNF. This has the stock E69 ECM, stock BCM and TDM. With most of the other modules removed. I recently had the o2 heater ground in the ECM fail and after 1.5 months and a threat to dispute my CC charge I got a replacement from Flagship1.You helped a Brazilian fellow with that info. First of all, a brand new TSSM at the dealer (my city has one) costs R$ 2,250.00 (divided that by 4 to get the price in US$). Shove that up your ass, Harley. The TSM costs half, still too much. So, after research, I found a TSM for 1/10th of the dealer's price - that's my price.An ECM from one bike can be used in another as long as the TSM/TSSM/HFSM (the turn signal module) is swapped in also or the password learning procedure is performed (if required) so the ECM and turn signal module can communicate. ... A forum community dedicated to Harley Davidson V-Rod Motorcycle owners and enthusiasts. Come join the discussion ...

Yes you can...but you need to make sure that the new one has the standard programming...i.e no SE flashes added to it. And you'll have to do a password reset...search on here for the instruction on how to do it. My ECM died on my '03A and I swapped it with a used one, did the password reset and it's been running fine ever since.A rebuilt Electronic Control Module (ECM) is a used module that has been refurbished and rebuilt. Although there may be external signs of use, the electronic components of a rebuilt module are repaired to function like new. Each rebuilt module is tested rigorously in-house to ensure the highest quality before being shipped to its final destination.The battery should read above 12.2 volts. If your Softail will start, keep the voltmeter connections in place and start the engine. The charging system should now be working and battery voltage should increase to above 14 volts. If the battery reads low, try slow charging the battery for 12 hours and re-test.Knee replacement surgery, also known as knee arthroplasty, replaces joints in the knee that are damaged or worn. Total knee replacement surgery is a procedure in which damaged cart...

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If you had the wrong ECM, it wouldn't run. '21 LowRider S 126 rwhp, 134 rwtq, Kinda stock '05 Carbed Night Train (Sold) 111 rwhp, 112 rwtq Best 1/4 ET 12.557s Best 1/4 MPH 108.5991 L98 ECM replacement. Hello Again, I am planning on replacing my ECM with a used one because the check engine light comes on shortly after start up and remains on. I can not retrieve any codes including the 12. The FSM says that the MEM CAL is bad and replace the ECM. Also the display on the dash where the check engine light is located is ...The Electrical Diagnostic Manual flow charts for Harley's are very well thought out and reliable. The cost for the new ECM will typically be around $800, with labor around $100, bringing the average total expense for an ECM replacement to approximately $900 before taxes and fees.ECM VOLTAGE DIAGNOSTICS Description and Operation DTC P0562, P0563 ... have a Harley-Davidson dealer perform the procedure. Improper service or maintenance could result in death or serious injury. (00627b) ... carefully follow the service manual instructions and use only genuine Harley-Davidson replacement parts. Behind the emblem bearing the ...lancaster county mugshots lincoln, ne. melbourne recital centre jobs Nav #1; annual salaries for fresno county employees 2022 Nav #2; mi familia me odia porque soy diferente Nav #3. skull indentation in adults Subnav #1; how to sign up for doordash with bike Subnav #2; lander university football schedule Nav #4; judge carlos lopez miami call to action

Or as I honestly think in my case, a borderline ECM to begin with that would have failed later on it's own. 0000027991 00000 n OFF for 30 Seconds03:22 7. When the ECM goes bad, it can cause the car to run erratically, if at all. Fast, Reliable Repair Service for Electronic Control Modules, Flood Vehicle?random84 Discussion starter. 18415 posts · Joined 2013. #1 · Jun 12, 2017. Assume I have a new ECM. Is the procedure this: disconnect battery. remove old ECM. install 3 connectors, clean and free of debri. reconnect battery.If so, replace the ECM with a new one, and then check the vehicle again. If the vehicle operates normally then the problem was likely with the ECM. 4. ... Perform "ECM Neutral Mode" procedure using GDS. (Refer to "Body Electrical System - "Immobilizer System - Repair procedures") 2)That 32534-11 is a blank ECM that a dealer will have to program to your bike. A local here had to do that a few months ago so the hardware can be bought. The problem here was that the two dealers closest to my buddy both said some version of obsolete when the issue was they didn't know how or didn't want to mess with programming the new module.Okay. I replaced the speed sensor ($58) from the dealer. It did not fix the problem. The speedometer backlights. The odometer mileage is displayed but does not change. The trip meter stays the same and does not change. The directionals don't self cancel any more. All codes clear. I recently installed an amp with speakers that runs off of an ipod.Signs of a Bad ECM. 1. Check Engine Light Turns On. An illuminated Check Engine Light is one possible symptom of a bad ECM. The Check Engine Light usually illuminates when the computer detects a problem with any of its sensors or circuits. There are cases, however, where the ECM illuminates a Check Engine Light mistakenly, or when there is no ...schoenf Discussion starter. 5 posts · Joined 2022. #1 · May 24, 2023 (Edited) Dear riders! Did some of you come across the ECM Errors P001800C P002200C? I get them repeatedly after some minutes of operation on the highway. The engine goes then in to limp mode and stays there. Any Ideas? werner.55 posts · Joined 2006. #5 · Oct 25, 2007. Yes, it has 02 sensors. Thanks, yes I have looked at the VRFI which is specifically for the V-Rod, that same company makes the Daytona TCFI for the Twin Cam 96 and it is the same as the ThunderMax system with a similar price, but the TM seems to be just a tad cheaper.6 posts · Joined 2014. #1 · Nov 27, 2014 (Edited) I need to replace my ECU/ECM unit on my 2002 Highlander. My mechanic is quoting me $1100.00 for the job. I see online that the average cost of a used ECU/ECM is around $200.00.The Power Commander cannot damage the ECM. In fact, ECM failure is quite uncommon, yet a common "diagnosis". There are laws against voiding a warranty based solely on the fact that an aftermarket product was installed. They would have to prove that the product damaged the bike and resulted in the warranty claim.

Harley ECM Password Learn. HDTIMELINE. HDTIMELINE. Home. Forums. New posts Search forums. What's new. New posts. Log in Register. What's new Search. Search ... ECM Password Learn Procedure. Thread starter Rubyred; Start date Jan 29, 2012; R. Rubyred Senior Member. Jan 29, 2012 #1 Harley ECM Password Learn .

Anyone know if a new out of the box ECM will work on your bike or does it need to be married to the bike by the digital technician?Nov 26, 2011 · Thanks in advance. You will not lose the map (or other ECM info) already on your TMax by changing the battery. You will have to re-initialize the TMax after hooking up to your new battery though. Once you perform the 30 secs on, 30 secs off for three times the TMax will be right as it is now as far as mapping is concerned. ECU Installation. Unbolt the screws holding the ECM in place (Tool: Socket Wrench) Pull the old ECM out and replace it with the new one. Bolt the new ECM in place. (ensure the bolts are tight.) Reconnect the electrical wires and the battery. Start your vehicle to verify all the functions are working. Check engine light is off.1. A replacement ECU new or used of same type as your current ECU If you buy a used ECU (note Toyota/Subaru call them ECM engine control modules) make sure its from the same model/year and transmission type ie auto/manual.Hi im bad chad not the one on you tube. Anyway I have 2011 hd sportster 1200c that needs an ecm so if i get a used one i should find one for sale with the tssm and i wont have to get anythong programed and if i get a new one how much does it cost to get it programmed....ACR require additional head work too. ACR vents to the exhaust. I went with the ACR valve because I'm lazy and don't like the effect of a manual compression release venting fuel/air on the cylinder head. IMHO it looks bad. The ECM pulses the ACR valve to bleed off some of the cylinder pressure, not all.SERVICE PROCEDURE: 1. Check if the vehicle you’re working on has “ECM based” NATS V2.0 or V5.0. a. If so, it will not start after you install a service replacement ECM. So you’ll have to re-register all ignition keys, including spare keys with CONSULT-II and the purple NATS card. After you do this, proceed with step 2.If the voltage changes while wiggling the ECM connector , replace the affected ECM terminals (part # 72605-08). These wires are: TPS1, pin #37 brown/violet wire of the ECM, and TPS2, pin #36 brown/red wire of the ECM. ... Repair Procedure: ... but Harley needs to adapt the use of non-contacting sensors if vibration is a concern. The bikes might ...You helped a Brazilian fellow with that info. First of all, a brand new TSSM at the dealer (my city has one) costs R$ 2,250.00 (divided that by 4 to get the price in US$). Shove that up your ass, Harley. The TSM costs half, still too much. So, after research, I found a TSM for 1/10th of the dealer's price - that's my price.

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My 2016 Limited only has 8500 miles and all of a sudden last weekend the Overheat and Ck Engine light came on after just a short distance of riding. The engine ran fine otherwise. I've done some preliminary work to diagnose. Fuses and relays are good. The "manual" test of of the fans is good when just turning on the switch and opening the ...4) Check Engine Light. One of the most obvious indicators of a possible ECM issue is when the check engine light illuminates on your dashboard. This warning light could mean any number of possible issues with the engine. If you’re lucky, it will only mean the engine control unit is in trouble and not the entire engine itself. ThunderMax ECM with Auto-Tune module mounts conveniently in place of the factory ECM and plugs in to the existing harness. Utilizes wide-band O² sensors and works as a closed-loop control system to continuously self-adjust and properly tune the motorcycle’s air/fuel ratio for all riding conditions. Easy installation: replace the factory ECM ... H-D™ Visa ® Card. If instantly approved, use your virtual card today to get a Low Introductory APR and the opportunity to earn $100 in H-D Gift Cards. 18. Apply Now. Find H-D Smart Security System Hands-Free Fob 90300111 at Harley-Davidson.com. Free shipping on orders $50+ and FREE returns.ecm replacement procedureHi All, I have a 2008 Subaru XT which has ECM issues, the car doesnt start sometimes and the check engine light gets turned on. Dealer had confirmed that it is an ECM issue. I have purchased a used ECM but the dealer is saying that he cannot program my VIN in that, so my car cannot pass the emissions. he wants me to purchase a new ECM.Magneti Marelli® Style replacement module works with all 1995 – 2001 EFI touring motorcycles. This instruction sheet describes the installation of the S&S Magneti Marelli® Style replacement module with a USB computer interface. KIT CONTENTS • VFI Module – Also referred to as an ECM (Engine/Electronic Control Module) #harleydavison#motorcycle #howto Here's how to reset the ECM on your Harley if the bike ever just decides to shut down. This trick will get you back on the ... ….

Step 4 – Start your bike and ride it home or to a shop. After your ECM is reset from limp mode, turn the key back to the on position and start her up. Your ride should be back to normal, at least for the next several miles. The conditions that caused your limp mode issue are still present. Do not be surprised if it falls back into limp mode ...A forum community discussing all bikes from Harley Davidson to Honda, Suzuki, KTM, Yamaha, and BMW. The McDonnell Douglas F-15 Eagle was introduced by the USAF to replace its fleet of McDonnell Douglas F-4 Phantom IIs.Unlike the F-4, the F-15 was designed for the air superiority mission with little consideration for a ground-attack role; the F ...Harley 1999 Electra Glide FLHTPI cam chain tensioner replacement. The video is one of many in a series and is real-time, i.e., slow and unedited. (SANY0543....ECU Installation. Unbolt the screws holding the ECM in place (Tool: Socket Wrench) Pull the old ECM out and replace it with the new one. Bolt the new ECM in place. (ensure the bolts are tight.) Reconnect the electrical wires and the battery. Start your vehicle to verify all the functions are working. Check engine light is off.The ECM may be calibrated while installed on the motorcycle or it may be connected and resting on right side footboard while calibration is being performed. 1. Refer to the REMOVAL/REPLACEMENT section 9C in the 1995 - 1996 FLT Service Manual, Part No. 99483-96A. 2. Install ECM in accordance with the installation procedure given in the Service ...what are the final stages of myelofibrosis; 1969 camaro z28 for sale canada; jonathan adams political views; do unibrows go away after puberty. mobile homes for rent in stanley, ncThe ECM uses voltage from pin #52 yellow/green wire to supply power at pins #29 and 30, causing the same symptoms. Repair Procedure: Identifying the connection issues at this location may be difficult. Replace all socket terminals with NEW terminals (part #72663-11 used in current production) at the TCA connector [211B]. Harley code P0562 is a diagnostic trouble code (DTC), or access code that indicates a low voltage situation in the ECM (Engine Control Module). The ECM is responsible for managing various engine functions, including fuel injection, ignition timing, and emissions control. When the voltage in the ECM falls below a certain threshold, the P0562 ... Zippers ThunderMax Auto Tune ECM Harley-Davidson Tuner replacement ECU the Harley Davidson Touring ecu tuner @CustomCruisersLimited ** to BUY https://bit....I figured the TSSM was the issue and decided to replace it with an OEM TSM. I printed out the instructions for the password learn procedure and the first thing it says to do is. Set run switch to run. Turn ign switch on-off, on-off, on-off, on then toggle left turn signal twice. Turn ign switch off-on and verify check eng light and security ... Harley ecm replacement procedure, Procedure. 1) Drain the oil from the vehicle. (The best time to change the oil cooler is at the time of your next oil change.) 2) Remove and properly dispose of the oil filter. Using the 7/8-inch. socket, gently loosen the oil filter adaptor and remove it from the. motor., Harley code P0562 is a diagnostic trouble code (DTC), or access code that indicates a low voltage situation in the ECM (Engine Control Module). The ECM is responsible for managing various engine functions, including fuel injection, ignition timing, and emissions control. When the voltage in the ECM falls below a certain threshold, the P0562 ..., Features: Mounts in place of factory ECM. Real time auto-tune adjustments. Start with a base map then let auto tune dial in your ride. Compatible with high-performance camshafts, turbo, nitro and superchargers. Monitor, record and analyze diagnostic codes and stats. Free firmware, tech support and updates. Note: System requires 18mm O2 sensor ..., Harley ECM Password Learn. HDTIMELINE. HDTIMELINE. Home. Forums. New posts Search forums. What's new. New posts. Log in Register. What's new Search. Search ... ECM Password Learn Procedure. Thread starter Rubyred; Start date Jan 29, 2012; R. Rubyred Senior Member. Jan 29, 2012 #1 Harley ECM Password Learn ., H-D™ Visa ® Card. If instantly approved, use your virtual card today to get a Low Introductory APR and the opportunity to earn $100 in H-D Gift Cards. 18. Apply Now. Find H-D Smart Security System Hands-Free Fob 90300111 at Harley-Davidson.com. Free shipping on orders $50+ and FREE returns., When installing a new ignition or ECM on a security-equipped Harley there is a "Password Learn" procedure that must be performed. This applies to all Twin Cam and V-Rod models with factory security but may also apply to Twin Cam's with EFI. The TSM/TSSM and ECM have "learned" passwords that synchronize the control module with several other ..., My ABS unit went bad, Code was C121C, torque request denied. Bought one from another forum member (wrecked car) and installed it. After the install, the drivability issues went away, but, I had three codes basically stating the there was VIN problem between the used ABS unit and my computer. I read, that the ABS module could be reflashed with ..., The downside of course to the convenience of push-button starting is that like anything that requires a battery, life is finite and the day of replacement is inevitable. The good news for Harley-Davidson riders everywhere is that the process of battery replacement is a relatively simple one. In this, The immobilizer is unaffected the swap. It merely passes the code from the key to the ecu. It's the ecu that decodes if the key is good or not to start the engine. The remote is a different system. Your present remote should continue to work after the ecu swap. 2002 Odyssey EX Fern (Granite) Green., ecm replacement procedure, Make sure you insert the ECM properly without any difficulty. * Finally enjoy the new MAF curve, new injectors limits and some more O2 parameters. If resistance value read by the BCM is what the BCM is expecting, the BCM will send a message over serial data to the PCM informing the PCM that a valid key is present and the PCM may start the vehicle., Remove the 10mm bolt holding the wire harness to the computer and disconnect the wire harness. Now remove the two 11mm nuts that hold the computer in place. One is above the computer and one is below the computer. You can now pull the computer out, and with pushing the fender liner slightly to the front of the truck you can pull the computer ..., Answered in 21 minutes by: Motorcycle Mechanic: Keith Hurt. Sorry to hear that you are having issues with you Road King. Let me see if I can help. What going on is after …, I replaced the ECM on a 2004 Cadillac SRX 3.6L because the computer was not firing #5 fuel injector. Link OBD Code 0206 #5 fuel injector code: https://yout..., Harley ECM Password Learn Procedure When installing a new ignition or ECM on a security-equipped Harley there is a "Password Learn" procedure that must be performed. This applies to all Twin Cam and V-Rod models with factory security but may also apply to Twin Cam's with EFI. The TSM/TSSM and ECM have "learned" passwords that synchronize the ..., I have heard of a number of methods to reset the ECM 1. turn big switch off & on 5 times with in 10 seconds 2. With the "kill switch" on the handlebars set to the run position turn the big ignition switch to the run position for 10 seconds and then turn it off and count for another 10 seconds 3. turn big switch 4 times within 10 seconds all the ..., ecm replacement procedure, 12. Turn Ignition switch OFF . Wait 15 seconds. Turn Ignition switch ON and start engine to confirm the Password Learn Procedure is successful. Engine will start and remain running. If engine immediately stalls and fails to restart the procedure was not successful. Start over at step 1., So the 1999 and 2000 twin cams have the camshaft position sensor. You can easily bypass that sensor on a carbed model. You'll need an ignition module from a 2001-2003 Twin Cam, part numbers 32478-99A, 32478-99B, or 32478-99C. Or you can buy an aftermarket module like the Daytona Twin Tec which also doesn't read the cam sensor., Repair > Procedures ECM/PCM (MIL) RESET PROCEDURE ECM/PCM (MIL) RESET PROCEDURE You can reset the ECM/PCM in either of two ways: ^ Use the OBDII scan tool or Honda PGM tester to clear the ECM's/PCM's memory. 0000043867 00000 n As per what I have found: * Replace my 2008 E38 with the 2010 E38 in my right fender. ... 0000027624 00000 n Everything ..., You can run any kind of speedo and run carbs by simply not hooking up that part of the ecm wiring. You might want to look at the V Gauge that mates perfectly with the ecm and makes a very custom setup. The part that will give you trouble is the TSSM, because if the ecm does not "see" it then the motor will not start., F. FLTRU17 Discussion starter. 4 posts · Joined 2017. #1 · Jun 11, 2020. Hi everyone, so I have a ECM code of p0522 and p0523 on my 2017 Roadglide Ultra. Has anyone had these codes and what would be my first steps to troubleshooting. Thanks in advance. Like. Sort by Oldest first., 49324 posts · Joined 2006. #2 · Dec 15, 2011. The mileage is stored in the speedo, atleast on my bike it is. When you replace speedometers, they need to be programmed with your current mileage by the MoCo. '21 LowRider ST 126 rwhp, 134 rwtq, Kinda stock. '05 Carbed Night Train (Sold) 111 rwhp, 112 rwtq Best 1/4 ET 12.557s Best 1/4 MPH 108.59., 3. turn the ignition switch ON (II), and wait 2 seconds. 4. Start the engine. Hold the engine speed at 3,000 rpm without load (in park or neutral) until the radiator fan comes on (some say comes on twice), or until the engine coolant temperature reaches 194 F (90 C). 5. let the engine idle for about 5 minutes with the throttle closed, ie: foot ..., You can run any kind of speedo and run carbs by simply not hooking up that part of the ecm wiring. You might want to look at the V Gauge that mates perfectly with the ecm and makes a very custom setup. The part that will give you trouble is the TSSM, because if the ecm does not "see" it then the motor will not start., Here is the procedure to marry a new TSM/TSSM to your bike when you install/replace it , otherwise it will not start/run. The security system will not arm until the dealer programs the serial number of the FOB into the computer. When installing a new ignition (ICM) or ECM on a security-equipped Harley there is a "Password Learn" …, what are the final stages of myelofibrosis; 1969 camaro z28 for sale canada; jonathan adams political views; do unibrows go away after puberty. mobile homes for rent in stanley, nc, HELP 2004 GL1800A PGM-F1 ECM replacement. After 19 years of great service from my GL1800 A with ABS, I now need to replace my ECM. Getting a right knock sensor F1 code (25) with symptoms of stalling at stops, I’m reasonably sure the ECM is the issue. I know the part (38770-MCA-A21) has been discontinued and I have not been able to find one., Quick update on the differences between the 2020 and 2021 HD ECMs. Shoot us an email: [email protected] our site: www.Thunder-Max.com, hillcrest medical center leadership. is sister bliss related to dido; travis elementary principal; wwf wrestlers 1996, 37,036 views. 919. #harleydavison#motorcycle #howto Here's how to reset the ECM on your Harley if the bike ever just decides to shut down. This trick will get you back on the ..., Learn the most common ECM problems with Harley Davidson and other motorcycles, such as engine misfiring, acceleration issues, low fuel economy, and more. Find out how to diagnose, fix, or replace the ECM with a step-by-step guide and tips., Remove the 10mm bolt holding the wire harness to the computer and disconnect the wire harness. Now remove the two 11mm nuts that hold the computer in place. One is above the computer and one is below the computer. You can now pull the computer out, and with pushing the fender liner slightly to the front of the truck you can pull the computer ...