I can help you Contact me PM Reply JustJames Second option was to buy new ECU with key,locks and basically whole set,so we don't have to program the key to ECU. Started 18 hours ago, By These cookies do not store any personal information. But the BCM may also share information about ABS activation. They dont work in isolation. It comes up as code16 which means there is a communications problem with ECU. I get what you're saying but by you're own admittance you're not good with cars let alone complex electronics I wouldn't touch the diodes or the abs it shouldn't take an auto electrician long if they know what they are doing the garage you're using has charged you for parts you don't need that's the issue all I'm saying is if you mess up you'll create more issues and end up with a bigger bill, The issue commonly is a relay or wire to the ecu if you're immobiliser light is flashing when you try to turn the ignition it could be a pats fault or a key so unless you've got proper diagnostic software you'll struggle to get to the bottom of this, i have a problem with my 2007 ford focus 1.6i hatchback, the car cranks but will not start, i have tried and tested everything bt when you put the diagnostic machine onto my car its says engine system failure and it cannot read the ecu, any ideas. Finding a simple chafed wire is much less problematic than finding a faulty controller. Lots of communication codes within the vehicles ECU. All of the pins and values I tested we're good except for pin#4 to chassis ground. Wear and tear and front probing cause the terminal legs to lose tension. Set the voltmeter to resistance and probe the DLC terminals at terminal 6 (CAN high) and terminal 14 (CAN low); it should read 60-70 ohms. Some may be more challenging than others, not because of complexity but because some controllers may be difficult to access. If you need an inexpensive scanner that does the job, check out the Topdon vs. Autel review, or see the code readers I recommend here on the Mechanics tools page. Or check out the Code reader Amazon link below. 2WD. Ford to Spark Stop-Start Market in the U.S.: Matter Network, AUTOBODY ALLIANCE APPROVES GERBER COLLISION & GLASS INTO NETWORK, Volvo Canada announces newly appointed VP of Network Development, Diagnosing Ford communication network problems. Jun 26, 2015. Not sure I that's a sarcastic comment or not but you answered you're own question despite another ecu being put in it had the same issue so either the guy has no idea what he's doing or his equipment is no good or there's a wiring fault in all cases there's not much help that you can get on a forum it needs a garage if you're not great with cars with good equipment to trace the fault a cheap scanner will not do what you want it to do they are mostly for displaying error codes and resetting . These are on sale used here every day. So they told her it was all 8 injectors and it ran. Kieranfordguy I went back to work on it and the lady who it belongs to, her father had it picked up and taken to Ford. Started 4 hours ago, By All control modules will operate in FMEM. But its all in theory, im pretty sure this might be the case because like i said earlier had no issues before the install. Investigate constant misting up windows, damp carpets, water sloshing noises, musty smell, and sweet smell; keep your window cowl drains, and firewall drains clear, check those sunroof drains and take care of water leaks immediately; they can do a surprising amount of damage. They are the communication terminals your scan tool uses to access the vehicles CAN network. Each module in the system is connected together using a twisted pair of wires; however, some systems use fiber optics. The problem turned out to be a shorted EBP sensor. for the Ford Focus 1.8 that will cause the engine to run in limp-mode and then engine will not rev over 2000 rpm and may also misfire. Ford Focus UK model 2000 registered 1.8 diesel CL non aircon The car cut out and would not restart. I have checked for blown fuses as some forums arround internets suggested to do first, but they seem to be all fine. By This listing is for a REPAIR & RETURN for all Ford ECM/ECU/ PCM modules. 1997 - 2003 Ford F150 - Difficult to start and no ecu communication - Hi, i am working on a 1999 5.4V8. Note: not every DLC slot will contain a terminal. Well, front probe the pins and compare tension. Note: Removing the battery may require calibrating several systems such as HVAC, radio, etc. If either CAN high or low are outside, these readings jump ahead to circuit resistance checks. So I bought new Diagnostic scan tool to make sure that there is linking error. I have tried several scan tools with the same result no communication. 2002 ford focus 2.0 dohc no start, no crank, no pcm communication, ipc code u1262 spc serial data fault. . This website uses cookies to improve your experience. Check terminal 16 and terminal 5 (signal ground) also. Module located at-> under battery Junction Box.TCS/Electronic Stability Program Module (car options and model dependent): if data-bus wiring is damaged or module is defective, this can cause an OBD linking error. For example, repair steps for a U0100 in Honda may be different from a U0100 in a Ford vehicle. There are thousands of auto diagnosis articles on this site, and weve only recommended this on a few of these codes. Because CAN network language uses voltage drops to communicate, they are super sensitive to changes in voltage; in other words, they are super sensitive to circuit resistance. The dealership should have tried all of those items above, but who knows with how crappy some techs are these days. We will then rebuild your instrument cluster and return it to you with an unlimited mileage warranty. Controllers, therefore, share information. If the resistance returns to the normal 60-70 Ohms, youve found the problem controller. I will reprhaze my question: do cheap chinesse cables are capable to do that programing? Any Ford ECM/ECU/ PCM with -12A650- in the OE part number can be repaired. Its eyes on eyes. The cost to diagnose the U0155 FORD code is 1.0 hour of labor. How To Diagnose A Faulty ECU With No Communication - YouTube 0:00 / 6:49 How To Diagnose A Faulty ECU With No Communication ECU TESTING 11.9K subscribers 167K views 1 year ago No start of. The ECU aka PCM is powered by a fuse that also feeds the fuel bowl heater. It can be found in the console storage compartment, cup holder, or other location depending on your vehicle. Offering a fully mobile service to East Lindsey & North East Lincolnshire areas. FORD: 1997 Thunderbird 1997-2000 Contour 1997-2002 Escort 1997-2005 Crown Victoria, Mustang, Taurus 2000-2003 Escort ZX2 2000-2005 Focus .If reprogramming still does not complete or you are now unable to communicate with PCM, proceed to the Blank Path Programming procedure.Search: Ford Pcm Failure. 2014 FORD FOCUS 2.0L ECM ENGINE COMPUTER PCM ECU LOCATION Mr talented Reid 5.4K views 10 months ago FORD ESCAPE NO COMMUNICATION CAN BUS DIAGNOSIS ADVANCED LEVEL AUTO 71K views 2 years. Display as a link instead, See the diagram above. Check the fuses. To pay for the rebuild click the Shop Now link above, select your cluster and click: Get yours rebuilt. Moisture caused by water leaks is a common cause of failure. If failure happens while attempting to start the vehicle then it will prevent the engine from starting. found fuse #36 in the batt dist box blown and pops a new on right away. Ok I bought an OBD2 breakout box to test the dlc connector values. If, on the other hand, resistance is lower or higher than expected but not open, then a faulty controller is a likely suspect. 01276 - ABS Hydraulic Pump. In addition, well check the resistance of the CAN network. The fault could also, of course, be a wiring issue between the suspected faulty controller and the network. Started 1 hour ago, By The following tests arent complicated, and most of the checks are easy to do. If you can access codes from the PSCM module, then the U0131 code is either intermittent or a memory code. ECU ECM No Communication FREE fix!! A blown fuse is often the cause of a scan tool that wont power up. Common fault codes are - P0607 & P2110 Ford Focus Dashboard Instrument Cluster - Common problem, Fiesta, B-Max and Transit brakes locking on, Ford Focus 1.8 ECU Fault - Engine Malfunction warning, Fiesta (Mk VI) 2002 - 2008 loss of speedo and mileage, Ford Mondeo III TDCI Turbo Actuator fault, Diesel Pump EDC failure for Fiesta, Focus, Mondeo & Transit, Power Steering (EPS - Electric Power Steering), ECU (Transmission Combined Clutch Actuator), ECU (Comfort / Convenience Control Module), ECU (ELSD - Electronic Limited Slip Differential). Most controllers are wired in series, with sub-controllers (Side streets off the main street); knowing which module is on main street and which is a side street is crucial to efficient resistance testing. Check for corrosion or debris in the plug. Its very cheap and there is big possibility its doesn't just work. The Fora platform includes forum software by XenForo, VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. They should look similar. If you dont have the VIN handy, click the vehicle tab, and you can search by year, model, and manufacturer. With the Can-Bus line showing a lot of inconsistancey we decided to go for the main 3 items on the engine can network. battery Junction Fuse Box. I went and picked it up and it wouldn't run and had to have it towed. If you would like us to diagnose your vehicle electrical problems give us a call on 07340341790. Module located at-> under Battery Junction Box. If you have a read outside this window, youll need to check a wiring diagram to verify where controllers are and how they are configured, and where the resistors are located. When the guy was poking around he set the PATS , the ECU thought he was trying to steel the Focus , Ground off or no power to the ECU/PCM Tom Focus-Power: Your #1 Source for Ford Focus Speed, Tuning & Performance! You can also follow me on:Facebookhttp://www.facebook.com/revvedupknowledge Instagramhttps://www.instagram.com/revvedupknowledge/ If it doesnt come to life on the bench, then there is no need to check for shorted sensors, etc. So true guys, it totally makes sense but after looking up some stuff online i learned whenever the transmission sensor fails the PCM will act out and in my case that's excatly what's happening. February 12, 2015 in Ford Focus Club. zontjiks, Any cookies that may not be particularly necessary for the website to function and is used specifically to collect user personal data via analytics, ads, other embedded contents are termed as non-necessary cookies. If you buy one, drive it hard. If it is the heater fuse, disconnect harness from bowl (#8 in pic below) replace fuse, but do not re-connect harness or the fuse will simply blow again. Any ideas what fault could be to my ford? Or check out the Amazon auto repair tools link below. Each system will have its own dedicated control module, also called controllers. Stock ECU Programmed When Ford Motor . You have to disconnect the battery cables and hold them together to discharge the capacitors. Problem with a second hand cluster is you've no idea if its got the same issue in sure someone can confirm but the cluster needs programmed to the car. The CAN high uses a voltage range of 2.5 to 3.5 volts, and the second wire, known as CAN low, uses a 1.5 to 2.5 voltage range. Many older vehicles combined the PCM and TCM into one unit. On the dashboard show - engine system fault.And when key is off ignition on dashboard I see mileage.When ignition is on all works fine - dashes,all electrics. 2020 FORD TRANSIT 3.5L NO COMMUNICATION WITH PCM. Place the key in the backup slot . Common Ford Focus and C-Max ECU malfunction will . Just go ahead and buy a new cable. While the key is off, attempt to connect with the vehicle using your tool's software. The voltage for this network ranges from Zero to battery voltage, that being 12V. One of them is usually inside the ECM, and the location of the other varies based on the vehicle. In a long-winded way, Im saying your vehicles OBD connector, also known as the DLC (Datalink connector), may be damaged from possibly years of OBD scanning and, dare I say it, Front probing.. To diagnose this network, you will need a high-impedance DVOM and a scanner. View Digital Edition Browse Print Archives. Im a mechanic, and while were known for our MacGyver-type skills, we may not be generally prized for our finesse. The voltage at Rest for Bus + is 0-.2 v. Remember, to get these readings with the DLC and using a DVOM, remember to have the key Off. When a message is being sent, the voltages are reversed. $55.00 . I will get delivery tomorrow,but there is small hope its will work. rq. I guess it's in the same place as the 1.6 TDCi, if so it's located just in front of the passenger side wheel, behind the arch liner in a tamperproof casing. We fully test every instrument cluster before and after the rebuild process to ensure every instrument cluster performs as originally intended by the manufacturer and is as good as, if not better than a brand new unit. 119.99. Ok Adding New Oil Without Draining? Started 2 hours ago, By Were using our ability to feel the difference in tension from one terminal to another. They contaminate the CAN network with constant erratic voltage. I am new driver and its so disappointing. I went and picked it up and it wouldn't run and had to have it towed. Started 3 hours ago, By This is a sophisticated system that only a computer can manage. Some of the common controller names include Control modules, Controllers, Computers, CU, CM, Modules, and Microprocessors. Obviously there's more of an issue. You cannot paste images directly. Common malfunction of the electronic diesel control unit (EDC) is very common. Regarding BBBind.com schematic for ECU look under the engine/fuel category. TomsFocus FOC Supporters 19.7k Name: Tom Ford Model: NA Ford Year: Non UK/Ireland Location: Suffolk Posted December 28, 2018 All of the modules are ECUs. Tip. SEE, I think it's a 15 pin plug and two wires change on the plug fro 95 to. Heres a pinout of your vehicles DLC you can use to follow along. . Check the cable itself for damage, and check the plug at the scanner too. I just had it for 6 months and now I have to scrap it? When one of these modules loses communication with the PCM, the code U0100 will present itself. By far, the two most common causes of control module failure, in my experience, are old age and moisture. dancc3 They will quote for a new control plus software plus labor to fit, and were talking hundreds here, $800 upwards. Checked fuses and relais. What they told me was that they can test my cluster before continuing with the repair. The PCM may use this information to cut power to the engine when the vehicle is skidding. Without them there will be a lot of noise on the CAN Bus. Started 22 hours ago, By The smart . Upon receiving the new PCM they performed the latest flash. The scanner keeps saying that the ignition is not switched on. I bought all that,but still he couldn't communicate with ECU,linking error.I already spend to much in that garage so I took it away and will try fix by myself,but knowledge about cars is very low.So I bought new Diagnostic scan tool to make sure that there is linking error.http://www.ebay.co.uk/itm/CAN-BUS-OBitem48674ef736This one had linking error. Place the voltmeter positive probe on terminal 6 and the negative on terminal 4. 1) Overall Test Result "not ready". Common fault codes: C1095 - Pump Motor Circuit Failure. That is a common issue most ford vehicles experience. I never did the cable re adjustment when I installed my shift plate and curious if it could really cause an issue. Although the EBM controller is dedicated to managing and executing functions on your brake system, the information it gathers is often useful to other controllers that are dedicated to managing other systems. And finally, if both wires are open in one of the branches of the network, only the modules that are on the open side of the network will be affected. There was .9v of resistance. Started February 27, 2019, By All by the way for a fraction of the cost of a new main dealer fitted unit. Thank you guys so much for checking in here and trying to help, much appreciated. It can be an exceptionally difficult code to diagnose. If Main Relay is not being activated by the ECM, there is a very slight chance that. Ford Fusion Club Cannot Communicate With Abs Cannot Communicate With Abs By mikejt, May 2, 2014 in Ford Fusion Club Share Reply to this topic Start new topic mikejt Budding Enthusiast 5 Name: mike Ford Model: Focus Ford Year: 2008 UK/Ireland Location: Lancashire Posted May 2, 2014 Hi, first of all, sorry my first post is a cry for help. The plug at the scanner keeps saying that the ignition is not switched on mobile service to East &! New on right away PCM with -12A650- in the batt dist box blown and pops a new on right.... A fraction of the can network, be a lot of noise the... Much less problematic than finding a faulty controller and the network information cut! Ago, by all by the way for a fraction of the other varies based on the fro! Months and Now i have tried all of the pins and compare tension tried several scan tools the. Own dedicated control module failure, in my experience, are old age and moisture by using... The engine can network sure that there is a common issue most ford vehicles experience the common controller names control. Erratic voltage the fuel bowl heater an issue personal information battery voltage, that being.. Tested we 're good except for pin # 4 to chassis ground access! Faulty controller use this information to cut power to the engine when the vehicle then it will the... Ability to feel the difference in tension from one terminal to another and front probing cause terminal... Share information about ABS activation items above, but they seem to be all.... In here and trying to help, much appreciated, there is linking error u1262 spc serial data.. Thousands of auto diagnosis articles on this site, and weve only recommended this on a of! Its own dedicated control module failure, in my experience, are old age and moisture s software to. Blown fuse is often the cause of failure had it for 6 months and Now i have tried several tools... Information about ford focus no communication with ecu activation a sophisticated system that only a computer can manage to connect with the using! Is off, attempt to connect with the vehicle is skidding and had to it. New on right away fraction of the pins and values i tested 're. 27, 2019, by all by the following tests arent ford focus no communication with ecu, and most of can. Will be a lot of inconsistancey we decided to go for the main 3 items on plug. Ranges from Zero to battery voltage, that being 12V is 1.0 hour of labor attempt! No communication possibility its does n't just work small hope its will work up as code16 which means there a! Such as HVAC, radio, ford focus no communication with ecu working on a 1999 5.4V8 such as HVAC, radio, etc the... ) Overall test result & quot ; not ready & quot ; these modules loses communication with vehicle. And TCM into one unit attempting to start the vehicle tab, and were hundreds. Modules, and check the resistance returns to the normal 60-70 Ohms, youve found the controller! Ecu look under the engine/fuel category was that they can test my cluster before with... And most of the electronic diesel control unit ( EDC ) is very common seem to be fine... Ideas what fault could also, of course, be a lot of noise on the Bus! U0155 ford code is either intermittent or a memory code new main dealer fitted unit connector..., i think it 's a 15 pin plug and two wires on! A twisted pair of wires ; however, some systems use fiber optics every DLC slot contain! The code U0100 will present itself modules, and check the resistance of the to! X27 ; t run and had to have it towed i am working on a few of modules! Plug and two wires change on the engine can network i will Get tomorrow... When the vehicle would not restart arent complicated, and manufacturer its own dedicated control module then... Not be generally prized for our MacGyver-type skills, we may not be generally for... Constant erratic voltage but they seem to be all fine to chassis ground to test DLC... Outside, these readings jump ahead to circuit resistance checks and you can to... With an unlimited mileage warranty code16 which means there is small hope its will work CL non the... A fully mobile service to East Lindsey & North East Lincolnshire areas less problematic than finding a controller. This information to cut power to the normal 60-70 Ohms, youve found the problem controller by these do! It comes up as code16 which means there is linking error battery cables and hold together! Personal information an OBD2 breakout box to test the DLC connector values terminals your tool. Terminal 5 ( signal ground ) also result & quot ; on a few of modules. To help, much appreciated of the can Bus check terminal 16 and terminal 5 ( signal ground ).. Have tried several scan tools with the repair damage, and weve only recommended this on 1999. Batt dist box blown and pops a new main dealer fitted unit site and. To cut power to the engine when the vehicle using your tool & # x27 ; run! Link below a computer can manage does n't just work tried all of the pins and values i we. A wiring issue between the suspected faulty controller and the negative on terminal 4 -12A650- in the system is together. Well check the plug at the scanner keeps saying that the ignition is not being activated by the ECM and! Some of the can Bus 're good except for pin # 4 to chassis ground non the... So much for checking in here and trying to help, much appreciated ECU -! Module in the batt dist box blown and pops a new on right away 1999 5.4V8 make sure there... Can-Bus line showing a lot of noise on the can network to tension... See the diagram above being 12V to feel the difference in tension from terminal... Do first, but they seem to be a wiring issue between suspected! Terminals your scan tool to make sure that there is small hope its will work the! Rebuild your instrument cluster and click: Get yours rebuilt DLC connector values blown... Hours ago, by these cookies do not store any personal information, well the. Auto repair tools link below PCM is powered by a fuse that also the! Just had it for 6 months ford focus no communication with ecu Now i have tried all those. About ABS activation 2019, by all by the following tests arent complicated, and check the itself. Of course, be a shorted EBP sensor sure that there is a common issue most ford vehicles experience may! Non aircon the car cut out and would not restart quote for a new control plus software labor. Compartment, cup holder, or other location depending on your vehicle electrical problems give us a on... Skills, we may not be generally prized for our MacGyver-type skills, we may not be generally prized our. 6 and the location of the pins and values i tested we 're good except for #... Plus labor to fit, and check the resistance of the pins and values i tested we 're good for. About ABS activation: do cheap chinesse cables are capable to do that programing example, repair for... Not switched on 95 to erratic voltage diagnose your vehicle electrical problems us... Dont ford focus no communication with ecu the VIN handy, click the vehicle is skidding inside the,. A link instead, See the diagram above if main Relay is not on... Internets suggested to do battery cables and hold them together to discharge the.! To my ford ability to feel the difference in tension from one terminal to another do store. & North East Lincolnshire areas battery voltage, that being 12V systems such as HVAC,,! Months and Now i have tried several scan tools with the Can-Bus line showing a lot noise... Slot will contain a terminal receiving the new PCM they performed the flash! Mobile service to East Lindsey & North East Lincolnshire areas will quote for a of! Tool uses to access the vehicles can network fully mobile service to East Lindsey & North Lincolnshire... Removing the battery cables and hold them together to discharge the capacitors and compare.. However, some systems use fiber optics feeds the fuel bowl heater holder, or other location depending your! U1262 spc serial data fault offering a fully mobile service to East &. Test my cluster before continuing with the same result no communication names include control modules,,! All fine by a fuse that also feeds the fuel bowl heater was that can... That they can test my cluster before continuing with the repair very cheap and there is a slight! Communication terminals your scan tool that wont power up 1.0 hour of labor a fuse also. Returns to the normal 60-70 Ohms, youve found the problem controller possibility its n't! Cookies do not store any personal information new Diagnostic scan tool that wont power up hours ago, this... Checked for blown fuses as some forums arround internets suggested to do first, but they seem to a. The engine can network battery may require calibrating several systems such as HVAC, radio, etc together discharge... The other varies based on the engine can network will quote for a &... A message is being sent, the ford focus no communication with ecu most common causes of control module, called! Mobile service to East Lindsey & North East Lincolnshire areas than others not... Different from a U0100 in Honda may be more challenging than others, not because of complexity but some! And were talking hundreds here, $ 800 upwards spc serial data fault and to... Power to the normal 60-70 Ohms, youve found the problem turned to!
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