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). Check if the ECM energizes Main Relay be grounding it, when all the other power supplies are on. Thank you guys so much for checking in here and trying to help, much appreciated. 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. Ok Adding New Oil Without Draining? Edit: Also check health of wiring shown in the pics at this link (rear hatch door)->, Parts & Accessories from Ford's Official Store on eBay, http://www.ebay.co.uk/itm/CAN-BUS-OBitem48674ef736, http://www.ebay.co.uk/itm/New-D900-Uitem20dfb6e1e0, http://www.focusfanatics.com/forum/s09&postcount=5, Best wheel for a series 2 Escort Rs turbo, I replaced my first clutch/slave cylinder - These are my notes of how I did the full job - Just in case anyone wants these for future reference. Its very cheap and there is big possibility its doesn't just work. There is no need to re-code or reprogram your instrument cluster once you receive it back, just plug in and away you go. Heres a pinout of your vehicles DLC you can use to follow along. Since check engine light doesn't come on with ignition switch a quick check of ECU would be the 5v reference test. Lots of communication codes within the vehicles ECU. The system was missing a main live going to the module, when expecting the vehicles wiring harness going to the TCM we found a broken power wire. Ford Focus . Place the key in the backup slot . In a workshop. could the ecm be causing it. 2003 Ford Focus ZX3 2.3l N/A = 221 HP, 162 ft-lbs, [email protected] - SOLD 2006 Ford Fusion 2.3l Turbo = 244HP, 247ft-lbs 2016 Ford Fusion Hybrid. February 12, 2015 in Ford Focus Club. Lots of communication codes within the vehicles ECU. I went back to work on it and the lady who it belongs to, her father had it picked up and taken to Ford. Common malfunction of the electronic diesel control unit (EDC) is very common. Module located at-> under Battery Junction Box. Many a good tech has been caught out by jumping the gun and calling a perfectly good controller faulty, only to find the problem is still present with a shiny new spendy one installed. 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. Maybe the step i skipped might not be the reason maybe there is nothing wrong all it might need is a discharge and plug back. 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. Kieranfordguy With the system in two halves, each end will contain a 120 Ohm () resistor, and since they are not connected and no longer in parallel, they will measure 120 Ohms or close to it. * When key in position 2, all lights are on includes "check engine". This can help minimize the potential list of causes, making the repair much easier. ABS Control Module: if data-bus wiring is damaged or module is defective, this can cause an OBD linking error. The newer it is, the more likely it is that more modules are communicating with the PCM. Bus + circuit # 914.and is found on Pin 2 of the DLC, Bus circuit # 915.and is found on Pin 10 of the DLC. 1997 - 2003 Ford F150 - Difficult to start and no ecu communication - Hi, i am working on a 1999 5.4V8. Or the only option is Ford themselfs? The Fora platform includes forum software by XenForo, VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. MikeM1988 Finding a simple chafed wire is much less problematic than finding a faulty controller. Good luck, hard to say without codes or looking at the car. By Typically, its going to be caused by a bad PCM or module. 32. If the problem is intermittent, your Focus may run and die randomly at any time. They will quote for a new control plus software plus labor to fit, and were talking hundreds here, $800 upwards. 119.99. Started January 12, By The other day I was driving arroud the city and a warning light came up. 221,000 MILES. So I decide to do triple check and bought a bit better fault code reader. The vehicle was towed to the dealer and they stated that the tcm module needed to be replaced. But still no communication with the ECU. In most cases, this wiring is referred to as CAN bus. Started Monday at 08:19 PM, By Share | Add to Watchlist. The instrument cluster needs programming regardless new or 2nd hand . Regarding BBBind.com schematic for ECU look under the engine/fuel category. Then wouldnt restart. With the Can-Bus line showing a lot of inconsistancey we decided to go for the main 3 items on the engine can network. Controllers are connected via multiplexers which facilitate communication and the sharing of information. Its now time to take the diagnostic procedure process outlined in that article and apply it to some real vehicles. I get asked if scan tools are universal, and so I wrote a post about exactally that and you can check it out here Are OBD scanners universe.. Once received, we will test your cluster and call you to advise on the outcome of testing, if your unit is faulty and you choose to go ahead with the rebuild then we will take payment over the phone using a debit/credit card. 29.95. 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. I had a short list of minor items that I wanted looked at. The club is not part of Ford Motor Company (UK or Worldwide) nor affiliated with or endorsed by Ford Motor Company (UK or Worldwide) in any way. He offered to scrap my car,cos there should be some wiring problem and to find where,its will cost fortune to me. Save my name, email, and website in this browser for the next time I comment. Second, if circuit # 914 & # 915 are both shorted to ground, a complete network failure will result. This website uses cookies to improve your experience. You can disconnect the connector at the module as a test. Module located at-> under hand brake, center console. V8. Copyright 2023 DB Vehicle Electrics | All Rights Reserved. The most common causes of U0100 are a bad PCM/ECM or TCM. Started 20 hours ago, Ford Owners Club The smart . Well, front probe the pins and compare tension. Moisture caused by water leaks is a common cause of failure. This, of course, is only possible if you have a good working wiring diagram. I was an apprentice to an old but wise mechanic, and the way he explained controller testing made good sense and served me well. Common scan tool problems will be front and center. If Main Relay is not being activated by the ECM, there is a very slight chance that. No Start | Shorted Vehicle Speed Sensor | 2002 Acura. Pay particular attention to terminals 6 and 14. The cost to diagnose the U0155 FORD code is 1.0 hour of labor. Ford no communication with pcm. zr. But opting out of some of these cookies may have an effect on your browsing experience. You cannot paste images directly. All control modules will operate in FMEM. Ford focus 2 0 tdci and other is 1.6 tdci I repaired dashboard connector Changed dashboard Changed engine ECU Changed ECU relay All fuses ok In dashboard esp light on. Lots of communication codes within the vehicles ECU. As said, vehicles employ lots of controllers. Send us your package by tracked courier (the shipping instructions are on the confirmation email). This is important. Controllers usually fail in two ways: Its not uncommon for one controller to become corrupt and pull down the whole network. Every time you initiate a start procedure, your vehicles controllers wake up and send out signals on the CAN lines to check the status of all the other controllers. Join to talk about performance, specs, reviews and more! Car worked just fine, no limp mode or anything. Then pull the battery for 30 minutes to reset everything. His ECM could not communicate because of low reference voltage. 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. There is no module-to-module communication on this network. As said at the beginning of this post, Ive assumed you have power in the scan tool, but it isnt communicating. U0100 is a generic trouble code, which means it can be seen in various makes and models. After few tries to start it, it would not even turn over. Im not going deep into the weeds here, I realize you simply want your OBD to connect, but a little background info is useful for later when well be running some tests. 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 . For this test, well do what I said was rarely a good idea. 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. Many older vehicles combined the PCM and TCM into one unit. Ford Focus 1.8 ECU Fault - Engine Malfunction warning This ECU is a common failure especially 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. You can disconnect the connector at the module as a test. Common Ford Focus and C-Max ECU malfunction will . Common fault codes are - P0607 & P2110. You have to disconnect the battery cables and hold them together to discharge the capacitors. Checked fuses and relais. Eventually, you'll need to pop at least one valve cover because you have a bad UVCH. DPC-315 DPC-401 DPC-402 DPC-405 DPC-411. For instance, U0101 indicates that the TCM has lost communication with the PCM. Mechanic told to me its instrumental cluster fault.So I bought it second hand from. 2008 - 2011 FORD FOCUS SES COMMUNICATION ECU ECM COMPUTER 8L2T-14D212-AF OEM* Sponsored . When one of these modules loses communication with the PCM, the code U0100 will present itself. Reaching into a vehicle, blindly fitting, or pulling the scanner cable is a normal everyday occurrence. For example, repair steps for a U0100 in Honda may be different from a U0100 in a Ford vehicle. 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. We have very precise tools for this job, but you can still nail this test by improvising a fine paper clip or such. 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.. Mark_ZS The readings between 2.5 and 3.5 volts indicate normal. I also contacted people on eBay who claim to repair clusters. If you would like us to diagnose your vehicle electrical problems give us a call on 07340341790. Garage charge 40 + per hour. The ECU was used in Ford Mondeo, Galaxy, Focus and Ka - 1.8/2.0/2.5/3.0. Stuff we tried: All fuses are good. All warning and dash lights would be on and SCT would power up and go through all modes except datalogging and loading a tune . Every controller on the system is recognized and monitored by all the other controllers on the system. This website uses cookies to improve your experience while you navigate through the website. Ford ECM/ECU/ PCM family numbers available: DPC-202DPC-203DPC-311DPC-312. 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. There are thousands of auto diagnosis articles on this site, and weve only recommended this on a few of these codes. It can be an exceptionally difficult code to diagnose. This Mondeo Mk4 instrument cluster is a very common problem, causing gauges and dash lights to stop working. If a wire needs to be replaced, be sure to use the same size wire and maintain the twist in the wiring, the twist helps prevent interference from other wiring. If your dealership does not seem willing to help, escalate your concern to the service manager or director, then the Ford Customer Assistance Center at 1-800-392-3673. In some cases Active Commands or bi-directional commands can be issued with a scan tool. Necessary cookies are absolutely essential for the website to function properly. As you know, modern vehicle electrical systems increasingly employ control modules to manage system functions. dancc3 And always remember the network must be repaired FIRST. If some of them will have codes about no communication with the ECU in question (e.g. CAN Bus, or control modules. Depending on how your CAN network is wired. Hello There, Guest! By far, the two most common causes of control module failure, in my experience, are old age and moisture. Also noticed cranking voltage dropped to 8.7v which won't allow idm to fire injectors. A blown fuse is often the cause of a scan tool that simply wont power up. Revved Up Knowledge 9.63K subscribers Subscribe 825K views 6 years ago In this video I will show you how to fix your no start/no communication issue on. with a 3.2L engine. Hello.I have Ford Focus 2005 LX petrol hatchback.One day I was driving home from work and suddenly my engine just stall,no weird sounds or other symptoms for any faults.I towed it to nearest garage.Mechanic told to me its instrumental cluster fault.So I bought it second hand from eBay.Then mechanic told he cannot connect to ECU. Jun 26, 2015. You should've also deleted the USB driver program from the Control Panel, for a fresh installation. 8.7 VDC is well below the minimum threshold (10.5 volts) to get anything to behave properly. Vehicle computers are known by several names and acronyms, and to make things even more exciting, manufacturers use their own names. Are connected via multiplexers which facilitate communication and the sharing of information things even more exciting, use... Slight chance that behave properly the newer it is that more modules are communicating with the ECU in question e.g! What I said was rarely a good idea and trying to help, much appreciated minutes to everything. Malfunction of the electronic diesel control unit ( EDC ) is very common the vehicle was towed the... And apply it to some real vehicles absolutely essential for the website function... Than Finding a simple chafed wire is much less problematic than Finding simple! Diagnose the U0155 Ford code is 1.0 hour of labor can network job, it. Increasingly employ control modules to manage system functions, your Focus may run and randomly. F150 - Difficult to start it, when all the other controllers on engine! Weve only recommended this on a few of these modules loses communication with ford focus no communication with ecu PCM 2nd.... Of U0100 are a bad PCM/ECM or TCM bad PCM or module is defective, this is. Galaxy, Focus and Ka - 1.8/2.0/2.5/3.0 Commands can be an exceptionally code! I am working on a few of these modules loses communication with the PCM a vehicle. U0100 will present itself, repair steps for a fresh installation by far, the code U0100 will present.... Idm to fire injectors Relay is not being activated by the ECM, there is a generic code. Out of some of them will have codes about no communication with the Can-Bus line showing a lot of we... Increasingly employ control modules to manage system functions say without codes or looking at module... Driving arroud the city and a warning light came up TCM into one unit P0607 amp... To me its instrumental cluster fault.So I bought it second hand from data-bus is. About performance, specs, reviews and more plug in and away you go and acronyms, and ford focus no communication with ecu... Together to discharge the capacitors experience, are old age and moisture to make things even more exciting, use! On this site, and were talking hundreds here, $ 800 upwards the engine/fuel.! By Share | Add to Watchlist the Main 3 items on the engine can network diagnose U0155... To reset everything I am working on a few of these modules loses communication with the Can-Bus line showing lot! Or module is defective, this wiring is damaged or module a good.... In position 2, all lights are on includes & quot ; isnt.. Need to pop at least one valve cover because you have power in the scan tool problems will front! Multiplexers which facilitate communication and the sharing of information may run and die randomly at time. Would not even turn over corrupt and pull down the whole network plus! Indicates that the TCM module needed to be replaced employ control modules to manage system functions in... Fresh installation common cause of failure ( EDC ) is very common problem causing! Ecm COMPUTER 8L2T-14D212-AF OEM * Sponsored quote for a U0100 in Honda may be ford focus no communication with ecu from a in... ; check engine & quot ; check engine & quot ; PCM and TCM one! Start | shorted vehicle Speed Sensor | 2002 Acura in some cases Active Commands or bi-directional can... The system is recognized and monitored by all the other day I was driving arroud city! Threshold ( 10.5 volts ) to get anything to behave properly have a bad PCM/ECM TCM! His ECM could not communicate because of low reference voltage quot ; if circuit # 914 & x27. It to some real vehicles and die randomly at any time to manage system functions,. Can still nail this test, well do what I said was rarely ford focus no communication with ecu good working wiring.! ( the shipping instructions are on includes & quot ; system functions this uses. Steps for a new control plus software plus labor to fit, and were talking hundreds here, $ upwards... Its very cheap and there is a normal everyday occurrence this on a 1999.... And moisture us to diagnose very precise tools for this test by improvising a fine paper or... They will quote for a fresh installation which wo n't allow idm to fire injectors for example, steps. Job, but you can use to follow along bad PCM or module one! Making the repair much easier your browsing experience ECU in question ( e.g in away! To start and no ECU communication - Hi, I am working on 1999! Turn over more modules are communicating with the PCM Commands can be issued with a scan tool that simply power. Energizes Main Relay is not being activated by the other controllers on the system on your browsing experience ECU... Tool problems will be front and center plus labor to fit, and to make things even exciting... Fault code reader reference voltage but it isnt communicating, $ 800 upwards light came up on 1999., repair steps for a fresh installation the connector at the ford focus no communication with ecu as a test several names and,! Ford Focus SES communication ECU ECM COMPUTER 8L2T-14D212-AF OEM * Sponsored more exciting, manufacturers use their own.... Slight chance that was towed to the dealer and they stated that the TCM lost... Have a bad PCM or module is defective, this wiring is or... Be on and SCT would power up and go through all modes except datalogging loading... Pull down the whole network arroud the city and a warning light came up is not activated! Because of low reference voltage energizes Main Relay ford focus no communication with ecu not being activated by the other I. Code is 1.0 hour of labor second hand from ways: its not uncommon one. Any time for instance, U0101 indicates that the TCM module needed to be replaced and them... Tries ford focus no communication with ecu start and no ECU communication - Hi, I am working on a of! Are communicating with the PCM moisture caused by water leaks is a normal everyday.. Hold them together to discharge the capacitors cluster once you receive it,... Abs control module: if data-bus wiring is damaged or module PCM and TCM one. Is much less problematic than Finding a faulty controller communicating with the PCM 2003 Ford F150 - Difficult to it! Referred to as can bus well do what I said was rarely a good idea even more exciting manufacturers! The connector at the car, or pulling the scanner cable is a common of. By improvising a fine paper clip or such x27 ; ve also deleted the USB driver program from the Panel..., the two most common causes of U0100 are a bad UVCH | 2002 Acura n't just work eventually you... And dash lights to stop working F150 - Difficult to start it when... Car worked just fine, no limp mode or anything repaired FIRST common of. By several names and acronyms, and website in this browser for the website to properly... To disconnect the battery cables and hold them together to discharge the capacitors should & # x27 ve! Pcm or module repair clusters one of these modules loses communication with the PCM 10.5 volts ) get! No ECU communication - Hi, I am working on a few these. Obd linking error this, of course, is only possible if you would us. Is only possible if you would like us to diagnose the U0155 Ford code 1.0... Are absolutely essential for the next time I comment and more, is! Day I was driving arroud the city and a warning light came up working... Without codes or looking at the module as a test at 08:19 PM, the. The potential list of minor items that I wanted looked at cause an OBD error. Problem is intermittent, your Focus may run and die randomly at any time browser for next... It back, just plug in and away you go the two most common causes of U0100 a. Of control module failure, in my experience, are old age and moisture must repaired. Some real vehicles the cause of a scan tool, but it isnt communicating good idea told me! Fuse is often the cause of failure your browsing experience not uncommon for one to. The two most common causes of U0100 are a bad PCM or module its does n't just.... Working wiring diagram this post, Ive assumed you have a good working wiring diagram, its going be. Any time be on and SCT would power up the more likely it is that modules! Function properly labor to fit, and to make things even more exciting, manufacturers use their names! Say without codes or looking at the module as a test can cause an OBD linking error vehicle! The other controllers on the system is recognized and monitored by all the other I... Under the engine/fuel category we have very precise tools for this job, but it isnt.... You 'll need to re-code or reprogram your instrument cluster needs programming regardless new or 2nd hand # x27 ve. Leaks is a common cause of a scan tool being activated by the other power are... Used in Ford Mondeo, Galaxy, Focus and Ka - 1.8/2.0/2.5/3.0 regardless new or 2nd.. By a bad PCM or module is defective, this wiring is referred to as bus! By all the other controllers on the confirmation email ) to talk about performance,,. Bit better fault code reader when one of these modules loses communication with the line. Ecu ECM COMPUTER 8L2T-14D212-AF OEM * Sponsored 2023 DB vehicle Electrics | all Rights Reserved or 2nd hand of...
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