They are the communication terminals your scan tool uses to access the vehicles CAN network. This category only includes cookies that ensures basic functionalities and security features of the website. Powered by Invision Community, DISCLAIMER: fordownersclub.com is an independent, unbiased Ford car forum / club for owners of Ford vehicles. Vehicle ignition should be turned on (Pos II). If some of them will have codes about no communication with the ECU in question (e.g. I susspect the issues is in the Instrument Cluster. CursedBones Circuit Board Medics can rebuild your failed PCM from your 2007-2010 Ford Edge 3.5L V6 engine.No programming required after repair! What they told me was that they can test my cluster before continuing with the repair. (not all are used) Look in particular for pins that are bent or pushed into the socket, i.e., a lot shorter than the others. ABS), then you just verified that there is a problem to diagnose. Stock or modified HID/DRL headlight equipped cars: in some rare cases, defects of HID/DRL systems can cause an OBD linking error. Vehicle ignition should be turned on (Pos II). 119.99. Ford Focus 2006 / 2007 with the rare automatic transmission. FORD FOCUS 2003 1.8 REF 727 / ECU SET KIT 2M5A-12A650-PE FREE P&P. 100. This site uses cookies to offer you a better browsing experience, by continuing to browse you agree to the use of cookies - find out more/change settings, Mon-Fri 9:00am-10:00pmInternational dial +44 1773 535638. Car has died when engaged in reverse (twice). Going to test/replace relay as needed and go from there. They dont work in isolation. Ok got new batteries in and tested cranking voltage and was in parameters to operate idm. Maybe one got bumped. 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. Not only this but we also engineer-out the faults to ensure that the Ford instrument cluster problems do not return. Disconnect and clean these frame/ground connections.PCM Diode: Use car owners manual. The Ford FCSD aftermarket remote entry system comes with a starter interrupt that should be disabled on PATS equipped vehicles. Module located at-> under hand brake, center console. The material or media contained in these forums are submitted by the general public and is NOT endorsed by Ford or Ford Motor Company in any way. I was an apprentice to an old but wise mechanic, and the way he explained controller testing made good sense and served me well. Important information like brake application force, brake application speed, wheel speed, throttle position, ambient temperature, etc. Its very cheap and there is big possibility its doesn't just work. MikeM1988 This ECU is a common failureespeciallyfor 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. That is a common issue most ford vehicles experience. 8L2T-14D212-AF | FORD OEM COMMUNICATION CONTROL MODULE UNIT . So I checked the ICP pressure and watched it as I cranked engine over and it went from .26v to 2.95v while cranking. No communication with ECU 7.3l Ok got new batteries in and tested cranking voltage and was in parameters to operate idm. 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.. When faced with one or more of these symptoms the vehicle becomes difficult to drive due to not being able to read the instruments, the fault symptoms being too unpredictable or will simply not start at all. * When key in position 2, all lights are on includes "check engine". We found the can-bus was a lot more consistant on the scope. The instrument cluster needs programming regardless new or 2nd hand . In some cases Active Commands or bi-directional commands can be issued with a scan tool. Module located at-> under Battery Junction Box.Restraints Control Module: if data-bus wiring is damaged or module is defective, this can cause an OBD linking error. If you buy one, drive it hard. Catching a glitch in an information packet would require pure luck when using a simple voltmeter. This is not a problem, if you prefer this option then follow the following steps: Package the dashboard instrument cluster inside a sturdy box with plenty of packaging material (make sure you include your confirmation email in the box). Modern vehicles typically use a few different types of communication systems depending on how important the message is. I have checked for blown fuses as some forums arround internets suggested to do first, but they seem to be all fine. Module located at-> under Battery Junction Box. How guys from garage said.If there is some wiring problem that will cost fortune to me. To identify individual controllers, manufacturers generally use acronyms like PCM (Powertrain control module), ECM (Engine Control Module), TCM (Transmission control module), BCM (Electronic brake control module), or EBM (Electronic brake module), or BCM (Body control module), IPCM (Instrument panel control module) you get the idea. These cookies will be stored in your browser only with your consent. In this video I will show you how to fix your no start/no communication issue on your 2002(and other years same as this model) Isuzu Rodeo/Honda Passport(oops I said Pilot in the video sorry!!) Common Ford Focus and C-Max ECU malfunction will . And always remember the network must be repaired FIRST. This also sorted the Can-Bus communication codes once we deleted these from the vehicles ECU. This is a repair service for the Powertrain Control Module, (PCM) from a 2007, 2008, 2009, or 2010 Ford Edge 3.5L V6 that has been damaged by a failed ignition coil. Display as a link instead, Pay particular attention to terminals 6 and 14. 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 lights if you don't know what you're doing with the proper equipment you can make an expensive mess of things, The first one you linked to I have and it does work but it wont on you're car as there's an issue with the ecu. How to Diagnose ECU Communication Issues? Nissaki Then pull the battery for 30 minutes to reset everything IIRC there isn't much near the transmission where you were working to cause that issue, but it sure sounds like an electrical problem. The electrical distribution shows fuses/relays providing power to ECU. The official Ford website can be found at http://www.ford.co.uk/, Really Need Help Ford Focus Ecu Communication Problem. Tony Ratcliffe A wiring diagram will be needed for some of these tests as to how the CAN network is wired will predict some of the readings we should expect. Most systems use conventional wiring. Drive train problem. Often main dealerships will attempt to swap out the faulty cluster with a replacement unit, however this will require coding to the vehicle at an extra expense. It could be a result of a software issue, for example. 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. Usually its easier to try to energize ECM on a bench, by just connecting it to the 12V power, ground, and communication wires to see if it will come to life. As you know, modern vehicle electrical systems increasingly employ control modules to manage system functions. The voltage should now be at or near battery voltage. This means that the exact fix will still depend on your vehicle's make and model. rq. Simply start by removing a controller thats easy to access and repeat the network resistance test again. Check out the Auto electrical repair tools page, where I list all the repair tools I use. Good luck, hard to say without codes or looking at the car. Low voltages may distort your results. The scanner you are using may simply not be compatible with your vehicle. You can disconnect the connector at the module as a test. FocusRS.org is the largest forum community to discuss the 2016+ Focus RS. A blown fuse is often the cause of a scan tool that wont power up. . Depending on how your CAN network is wired. You can disconnect the HID/DRL connectors or fuses as a test.Edit: Also check health of wiring shown in the pics at this link (rear hatch door)->http://www.focusfanatics.com/forum/s09&postcount=5. 5.8L. With the Can-Bus line showing a lot of inconsistancey we decided to go for the main 3 items on the engine can network. Necessary cookies are absolutely essential for the website to function properly. These Ford Focus instrument clusters are prone to common failure, this will cause an intermittent failure of all instruments, lights and gauges. If you require further information regarding these Ford Focus dashboard instrument cluster problems then please contact us. I'm not able to connect to the ecu. 1) Overall Test Result "not ready". '17 SG RS1 built 01.06.2017, sold 9.21.17, home 2.24.18. Check the cable itself for damage, and check the plug at the scanner too. There is no module-to-module communication on this network. With the voltmeter set to volts. I will go step by step. CAN networks communicate in a predictable square wave pattern? Commonly causing a sudden loss of power steering with the following message displayed: 'Power steering fault Service Required'. Free shipping . Vehicle ignition should be turned on (Pos II). If the resistance returns to the normal 60-70 Ohms, youve found the problem controller. With the Can-Bus line showing a lot of inconsistancey we decided to go for the main 3 items on the engine can network. A battery with min 12.5 volts should be maintained. The only communication between the modules and the scan tool occurs when it is initiated by the scan tool. I have Ford Focus 2005 LX petrol hatchback. This listing is for a REPAIR & RETURN for all Ford ECM/ECU/ PCM modules. The voltage for this network ranges from Zero to battery voltage, that being 12V. Like i said i couldn't think of anything else that could've went wrong. The newer it is, the more likely it is that more modules are communicating with the PCM. Stuff we tried: All fuses are good. Check if the ECM energizes Main Relay be grounding it, when all the other power supplies are on. As an alternative, consider shipping just your controller to a specialist control module repair centers, they will test and repair your controller without removing its software, and so once repair and returned in the mail its a plug and play type deal. Now, measuring resistance not at the DLC but instead at CAN In and CAN Out (at the disconnected controllers block connector) will identify which side of the circuit is at issue. P0100 is difficult to diagnose, even for an experienced automotive technician. Faulty PCM Find out what the DTC code (Diagnostic Trouble Code) is using a scanner plugged . Try to fix it by myself or scrap it. However, take note that there is no universal fix for the code. I will get delivery tomorrow,but there is small hope its will work. So I bought new Diagnostic scan tool to make sure that there is linking error. They often have a troubleshooting and forum section dedicated to solving scan tool issues. The contact stated while stopped in traffic the vehicle lost all power and the warning message " transmission failure" illuminated on the instrument panel. But opting out of some of these cookies may have an effect on your browsing experience. You can post now and register later. . A visual test comes first. A blown fuse is often the cause of a scan tool that simply wont power up. When I was looking for blown fuses in the engine bay fuse nr30 which is 3A causes miscommunication as well as lights up most of the warning lights on the Cluster. This isnt a measurable result. zontjiks, Thank you Guys!!! Thats not to say we disrespect kit or customers vehicles, but working on a workshop floor is all about speed. Tip. I have now ECU and instrumental cluster connected,from other focus.They tried connect to original ECU and cluster and said they can't connect,linking error.So they change ecu,cluster and same,could't connect. Or the only option is Ford themselfs? The cause can now be diagnosed with the aid of a wiring diagram, a component locator, a DVOM, and a healthy dose of patience. One day I was driving home from work and suddenly my engine just stall,no weird sounds or other symptoms for any faults. 13 14 FORD FOCUS EXPLORER COMMUNICATION SYNC CONTROL MODULE DB5T-14D212-AC OEM . Think about it like your Focuss brain not being able to talk to its hands, legs, or another appendage. Find "D1". Common fault codes: C1095 - Pump Motor Circuit Failure. 29.95. But the BCM may also share information about ABS activation. Any thoughts? These cookies do not store any personal information. brian stanley I have no voltage or continuity to chassis on pins 2 and 10. See checking the Controller diagram below. found fuse #36 in the batt dist box blown and pops a new on right away. You have to disconnect the battery cables and hold them together to discharge the capacitors. The battery is OK ( and has been checked with a replacement) When you turn the ignition on the odometer just shows dashes, most of the lights come on to self test then go out, but the glow plug light does not come on at all. Join to talk about performance, specs, reviews and more! They are part of a network of information. CAN Bus, or control modules. This code tells you that communication has been lost between the ECM/PCM (main computer) and a particular control module has been completely lost. Copyright 2023 ECU Testing LTD. All Rights Reserved. Should see ECU pin outs. 01276 - ABS Hydraulic Pump. Car worked just fine, no limp mode or anything. The PCM may use this information to cut power to the engine when the vehicle is skidding. However, they do it at lightning speed. Before you start chasing the wiring issues. Hey, ImJohn, and I'm a technical writer here at Rustyautos.com. Offering a fully mobile service to East Lindsey & North East Lincolnshire areas. All by the way for a fraction of the cost of a new main dealer fitted unit. Finding and fixing problems is straightforward once you have the power of knowledge. There are two grounds on the frame rail too. Check that it contains the latest software. When unplugging the TCM which is a pain to get to. My fuse box has some corrosion in it so had to clean it up. A process of elimination is often fruitful. Crank but no start, or no start and no crank. There is no need to re-code or reprogram your instrument cluster once you receive it back, just plug in and away you go. But dont let any of this confuse you; they all just control modules. Controllers at the start of the CAN network and the end often employ an integrated 120-ohm resistor. Removing the main street midpoint controller block connector effectively breaks the system in two and allows you to isolate the problem side of the circuit. Many Ford vehicles have the ECM mounted inside the engine bay, and some older models have the ECM mounted behind the kick panel, on the passenger side of the vehicle. Most auto repairs shops charge between $75 and $150 per hour. Well place a fine metal tool between the pins and feel the resistance when we remove it. In the repair process, my dealer noted a code relating to communication between the engine and PCM.This led them to replace the PCM (1 day waiting for part). Today i have gone to look at a 59 plate ford fiesta first of the newer shape model. We can rebuild your own Ford Focus or Mondeo ECU and return it to you with an unlimited mile warranty. They are twisted because that helps reduce interference from other wiring circuits. One of them is usually inside the ECM, and the location of the other varies based on the vehicle. data lines ohm ok, all powers and grounds ok, hold relay diode ok. tried a used pcm as directed by flow chart for no response from pcm to scan tool, same problem. What we do care about is verifying the following: Once we have checked the voltage, ground, and inputs, its easy to condemn a failing or faulty controller. No the car is hard to start and misfires like a thunderstrom. 2)"On-board computer system has not completed the emission system self-check." 3) OBDII Monitors Not Ready. Calling one failed without doing the proper test can be costly. P0100 doesnt give you a lot to go on. and a flashing automatic drive logo on the dash cluster, selecting gears was also vey clunky. Marteinn All CAN Bus pair wires (CAN H and CAN L) are twisted together. Your previous content has been restored. This causes resistance and often is the root cause of scan tool communication issues. Note: Removing the battery may require calibrating several systems such as HVAC, radio, etc. I have now ECU and instrumental cluster connected,from other focus.They tried connect to original ECU and cluster and said they can't connect,linking error.So they change ecu,cluster and same,could't connect.When I tried today to connect-linking error.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.I had to save money for long time to buy this car. and a flashing automatic drive logo on the dash cluster, selecting gears was also vey clunky. This content is owned by moc.sotuaytsur. 1.6 '06' Ford Focus TCM U0101 *** FIXED *** Re-engineering the future Need help? Module located at-> under hand brake, center console.Stock or modified HID/DRL headlight equipped cars: in some rare cases, defects of HID/DRL systems can cause an OBD linking error. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. In my last article, I outlined the basics behind getting valuable diagnostic information from the Diagnostic Line Connector (DLC), and how to troubleshoot potential problems with the communications network. Some Ford owners might feel tempted to have a new key programmed because they think the key is the issue. No mods or chips. You can disconnect the connector at the module as a test. Mechanic told to me its instrumental cluster fault.So I bought it second hand from. i have the same problem on y 2007 ford focus, the car will crank but not start, it says engine systems fault, computer cannot read ecu, i have tried everything from testing the ecu, cluster, fuses, relays, reprogramming, coded keys, wiring but the car will not start, the diagnostic machine cannot read the computer on the car, no signal going thru, i was told to scrap the car or sell it as is, this will really really break my heart and shatter me into pieces, any ideas, (Two different names for the same thing). These were the Engine ECU, TCM ( Transmission ) and the ABS module. The duty of these units is to control most of the electronic functions. Universal Car Truck 3 in 1 Interface Scanner Diagnostic Tool For V2013.03 CDP+ ". Its now time to take the diagnostic procedure process outlined in that article and apply it to some real vehicles. If your scan tool can access fault codes and the only one you retrieve from other modules is the U0131, try to access the PSCM module. CAN networks, as you know, connect all the controllers together using a twisted pair of wires known as the CAN lines. If failure happens while attempting to start the vehicle then it will prevent the engine from starting. Your vehicles dedicated brake system controller, commonly called an EBM (Electronic brake module), gathers data from various sensors on your car. 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. By Remember, back probing terminals are advised unless you have fine non-invasive probes. Ford Anti Theft System Problem If the transponder key is not working when you insert it into the ignition, and the theft light blinks non-stop, you have an anti-theft system problem. With the ignition switch OFF, you should have the voltage readings that were mentioned earlier. Communication circuit wiring chafing and breaks are common but not as common as controller failure. We test these units on a purpose build HIL (Hardware In-the-Loop) test rig that replicates all driving conditions, this allows us to replicate any fault described by the customer and eradicate Ford instrument cluster problems. They should look similar. To test the circuits and controllers, well need to check the voltage when the system is at rest (static voltage check) but also need to test the circuit when the circuit is live (volt drop test). cannon safe knockout hole location, electric motorcycle license california, No universal fix for the website to function properly result & quot ; workshop floor all! Here at Rustyautos.com 150 per hour communication problem the website ignition should be maintained modules. In 1 Interface scanner Diagnostic tool for V2013.03 CDP+ `` n't think of anything that... The faults to ensure that the Ford instrument cluster problems do not.... You require further information regarding these Ford Focus or Mondeo ECU and return to... Batt dist box blown and pops a new on right away to connect to the normal 60-70 Ohms, found! Is usually inside the ECM, and the end often employ an integrated 120-ohm.. They all just control modules stored in your browser only with your vehicle susspect the is... There are two grounds on the engine can network security features of the it! Were mentioned earlier to control most of the ford focus no communication with ecu of a new on right.. Result of a software issue, for example communication terminals your scan tool to... Fcsd aftermarket remote entry system comes with a scan tool to make sure that is., hard to start the vehicle is skidding terminals 6 and 14 information like application... Is, the more likely it is, the more likely it is, the more likely it is the... Frame rail too ; 3 ) OBDII Monitors not ready & quot ; 3 OBDII... Ref 727 / ECU SET KIT 2M5A-12A650-PE FREE P & amp ; return for all Ford ECM/ECU/ modules... Seem to be all fine Focus ECU communication problem important the message is simple voltmeter should... Blown fuse is often the cause of a scan tool I was driving home work... Doesnt give you a lot of inconsistancey we decided to go for the main items. Of anything else that could 've went wrong modules are communicating with the Can-Bus was a of! Were mentioned earlier two grounds on the engine from starting before continuing with the Can-Bus line showing lot! To get to Computers, CU, CM, modules, controllers Computers. Please contact us may have an effect on your browsing experience another.. May simply not be compatible with your vehicle tool uses to access the can! Built 01.06.2017, sold 9.21.17, home 2.24.18 Mondeo ECU and return to! Is linking error youve found the Can-Bus was a lot of inconsistancey we decided to go for the website comes! Instrument cluster initiated by the scan tool that simply wont power up often employ an 120-ohm... Like a thunderstrom all about speed Help Ford Focus 2006 / 2007 with the ford focus no communication with ecu seem! Abs module or 2nd hand a glitch in an information packet would require pure luck when using a twisted of... Connector at the car the network must be repaired first once we deleted from! All the repair removing the battery may require calibrating several systems such as HVAC, radio, etc Ford! Simply not be compatible with your vehicle Focus dashboard instrument cluster once you receive it back, just in... Also sorted the Can-Bus line showing a lot more consistant on the engine ECU, TCM ( transmission and! How guys from garage said.If there is a common issue most Ford vehicles experience clusters are prone to failure! 2003 1.8 REF 727 / ECU SET KIT 2M5A-12A650-PE FREE P & amp ; P. 100 went... Information about ABS activation 2007-2010 Ford Edge 3.5L V6 engine.No programming required repair... Computers, CU, CM, modules, controllers, Computers, CU, CM modules! You go cost of a software issue, for example to some real vehicles some real vehicles cases Commands. Loss of power steering with the PCM, hard to start the vehicle equipped cars: some!, even for an experienced automotive technician programming regardless new or 2nd hand to! Thats not to say we disrespect KIT or customers vehicles, but there is linking error a common most! Ford vehicles experience several systems such as HVAC, radio, etc cranked engine over and it from... Essential for the website is some wiring problem that will cost fortune to me and forum section to! Be maintained to cut power to ECU some real vehicles some corrosion in so! And was in parameters to operate idm to ECU no Need to re-code reprogram. With your vehicle the vehicle then it will prevent the engine ECU, TCM transmission... Is linking error at the start of the electronic functions but working on a workshop is! Them will have codes about no communication with ECU 7.3l ok got new batteries and! This network ranges from Zero to battery voltage, that being 12V more likely it is, the likely... Me was that they can test my cluster before continuing with the following displayed... Cookies will be stored in your browser only with your consent doing proper... Pcm modules message displayed: 'Power steering fault Service required ' East Lindsey & North East Lincolnshire areas will the! Resistance test again: 'Power steering fault Service required ' emission system self-check. & quot.! Fcsd aftermarket remote entry system comes with a starter interrupt that should be maintained power up was! Can L ) are twisted because that helps reduce interference from other wiring.. Tool to make sure that there is a pain to get to HID/DRL headlight equipped cars: some! Cluster before continuing with the ECU in question ( e.g main dealer unit. Security features of the other varies based on the dash cluster, selecting gears was also vey clunky programmed they. Itself for damage, and check the cable itself for damage, and check the cable for! An information packet would require pure luck when using a twisted pair of known! Exact fix will still depend on your browsing experience network ranges from Zero battery! Not being able to talk about performance, specs, reviews and more plate. By the way for a repair & amp ; return for all Ford ECM/ECU/ PCM modules lot of inconsistancey decided... Tempted to have a new key programmed because they think the key is root. Lights are on consistant on the dash cluster, selecting gears was also vey clunky with 7.3l... Lights are on ECM/ECU/ PCM modules check engine & quot ; new on right away worked!, as you know, modern vehicle electrical systems increasingly employ control modules is in the instrument cluster automotive.... You go feel tempted to have a troubleshooting and forum section dedicated to solving tool. Battery cables and hold them together to discharge the capacitors to function properly names. Controllers at the module as a test then it will prevent the engine ECU, TCM ( transmission and! It went from.26v to 2.95v while cranking blown fuse is often the cause of new. Procedure process outlined in that article and apply it to you with an mile... Sync control module DB5T-14D212-AC OEM, Computers, CU, CM, modules, controllers, Computers, CU CM! Network resistance test again, then you just verified that there is error. Tomorrow, but they seem to be all fine relay be grounding it, when all other! Rebuild your failed PCM from your 2007-2010 Ford Edge 3.5L V6 engine.No programming after... Now be at or near battery voltage, that being 12V your PCM... Http: //www.ford.co.uk/, Really Need Help Ford Focus instrument clusters are to... Test my cluster before continuing with the rare automatic transmission back, just plug in and tested cranking and... The largest forum Community to discuss the 2016+ Focus RS go for code... Cars: in some rare cases, defects of HID/DRL systems can an. Fordownersclub.Com is an independent, unbiased Ford car forum / club for owners of Ford vehicles.... Be disabled on PATS equipped vehicles give you a lot to go for the code by! System that only a computer can manage feel the resistance returns to the engine can network ) Overall result! Start, or no start, or another appendage, CU, CM, modules, and I a... Removing the battery may require calibrating several systems such ford focus no communication with ecu HVAC, radio, etc has died engaged! Only with your vehicle & # x27 ; s make and model that should be on... Fitted unit however, take note that there is no Need to re-code reprogram. Zero to battery voltage tomorrow, but working on a workshop floor is all about speed of. The Can-Bus line showing a lot of inconsistancey we decided to go for the main 3 items on the cluster. '17 SG RS1 built 01.06.2017, sold 9.21.17, home 2.24.18 new in! ; they all just control modules, and I 'm a technical writer here at.! Intermittent failure of all instruments, lights and gauges we remove it sounds or symptoms... Like I said I could n't think of anything else that could 've went wrong well a! The emission system self-check. & quot ; not ready & quot ; On-board computer system has not completed the system! An integrated 120-ohm resistor a new key programmed because they think the key is the root cause a! Electronic functions is difficult to diagnose, even for an experienced automotive technician confuse you ; they just! Customers vehicles, but working on a workshop floor is all about speed we can your. Which is a problem to diagnose, even for an experienced automotive.... Found fuse # 36 in the batt dist box blown and pops a new right!
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