I am new driver and its so disappointing. Finding and fixing problems is straightforward once you have the power of knowledge. DaveT70 Started February 27, 2019, By A TSB is a notice that manufacturers (including Ford) use to explain common problems with a vehicle and how to deal with them. The problem is I already spend 400pounds just to try fix it. 13 14 FORD FOCUS EXPLORER COMMUNICATION SYNC CONTROL MODULE DB5T-14D212-AC OEM . Common clutch actuator fault for the Ford Fiesta Durashift will cause the gearbox to stick in gear and prevent engine start have common problems with misfire on two cylinders and complete non start due to lack of ignition output to the coils. Someone last summer chased a similar issue. All by the way for a fraction of the cost of a new main dealer fitted unit. 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 cost to diagnose the U0155 FORD code is 1.0 hour of labor. Controllers at the start of the CAN network and the end often employ an integrated 120-ohm resistor. Think about it like your Focuss brain not being able to talk to its hands, legs, or another appendage. The ground should be inspected first. I also contacted people on eBay who claim to repair clusters. Module located at-> under Battery Junction Box. They replaced the injectors? Alex.S Check for corrosion or debris in the plug. 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. There isnt a whole lot that someone who hasnt dealt with a code like this before can do. Some people in warmer climes leave it disconnected. 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). 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. 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. I will go step by step. Low voltages may distort your results. The following tests arent complicated, and most of the checks are easy to do. Its eyes on eyes. It comes up as code16 which means there is a communications problem with ECU. Check that it contains the latest software. 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. Leave the ignition key in the "OFF" position. There are two grounds on the frame rail too. Well cover all these tests below, but before we do, well need the proper tools to make these tests. Disconnect and clean these frame/ground connections.PCM Diode: Use car owners manual. 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.. Copyright 2023 DB Vehicle Electrics | All Rights Reserved. I just had it for 6 months and now I have to scrap it?Any ideas what fault could be to my ford?Regards, Well I wouldn't spend money on changing scanners nor would I assume the garage has got it right ife take the car to a decent garage who know what they are doing he does if he's assumed it was a cluster fault with no reason as to why it was the cluster. The ECU was used in Ford Mondeo, Galaxy, Focus and Ka - 1.8/2.0/2.5/3.0. and excellent communication. You also have the option to opt-out of these cookies. Mechanic told to me its instrumental cluster fault.So I bought it second hand from. Lets begin with the Ford network and apply what we have learned earlier to isolate the cause (s) of a network systems failure, staring with the Standard Corporate Protocol (SCP) which we will quickly review. Labor: 1.0. Then, with the ignition switch OFF or ON, there should be NO voltage on the network. This content is owned by moc.sotuaytsur. A battery with min 12.5 volts should be maintained. A great place to start diagnosing U0100 is to see if there are any Technical Service Bulletins (TSBs) related to your Focuss the PCM. A blown fuse is often the cause of a scan tool that simply wont power up. You can disconnect the connector at the module as a test. The information is processed by the EBM, and action is taken according to its software parameters. 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.. Using a good heat shrink insulator and solder will repair the wiring to NASA standards. U0100 is a generic trouble code, which means it can be seen in various makes and models. The check engine light will be illuminated. This causes resistance and often is the root cause of scan tool communication issues. Because thrills like these dont happen often. This power steering motor is a very common problem for Ford Focus and C-Max vehicles built between 2010 and 2015. Heres how to go about finding whats causing a wiring issue in your Focus. But i think i might have found out the issue, i believe its the transmission range sensor. For example, repair steps for a U0100 in Honda may be different from a U0100 in a Ford vehicle. I never did the cable re adjustment when I installed my shift plate and curious if it could really cause an issue. 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 can rebuild your own Ford Focus or Mondeo ECU and return it to you with an unlimited mile warranty. Send us your package by tracked courier (the shipping instructions are on the confirmation email). The ECU aka PCM is powered by a fuse that also feeds the fuel bowl heater. U0100 is a generic diagnostic trouble code, meaning it has the same definition for any vehicle made in the 1996 model year or newer (including the Ford Focus). I put my scanner on it again and have no communication with ECU again. This isnt a measurable result. Customer Support AIM: hpdyno Email: hpdyno@aol.com Phone: 704-249-3745 Site: focus-power.com Elder 1turbofocus sailor Premium Member Calling one failed without doing the proper test can be costly. CAN Bus, or control modules. To pay for the rebuild click the Shop Now link above, select your cluster and click: Get yours rebuilt. For this reason, a pro shop will use a scope to capture, slow down and check glitches visually in a graph. Car worked just fine, no limp mode or anything. battery Junction Fuse Box. They should look similar. 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. Your link has been automatically embedded. Im aRed Seal-qualified Auto Service Technician with over twenty-fiveyears experience working on Classic and Modern Cars. RECALLS! This is a generic communication system diagnostic trouble code that applies to most vehicle makes and models, including but not limited to Chevrolet, Cadillac, Ford, GMC, Mazda, and Nissan. with a 3.2L engine. i dont have a wiring diagram for that circut. The diagram, at left, reveals a problem with the network. Note: not every DLC slot will contain a terminal. Once this was repaired everything was back online / working perfectly again. Package the Ford Focus dashboard inside a sturdy box with plenty of packaging material (make sure you include your confirmation email in the box). Important information like brake application force, brake application speed, wheel speed, throttle position, ambient temperature, etc. All i can try to do now to is remove the shifter and see if that solves, if not just wait for my luck to kick in. Free shipping . Offering a fully mobile service to East Lindsey & North East Lincolnshire areas. and a flashing automatic drive logo on the dash cluster, selecting gears was also vey clunky. This causes resistance and often is the root cause of scan tool communication issues. No communication to the ABS. 5.8L. Powered by Invision Community, DISCLAIMER: fordownersclub.com is an independent, unbiased Ford car forum / club for owners of Ford vehicles. Did you ever find out what the problem was? You can move on to a possible problem with your vehicles OBD terminals, and thats what well look at next. P0100 is difficult to diagnose, even for an experienced automotive technician. If unable to access codes for the PSCM module, then the U0131 code that the other modules are setting is . 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. Another handy thing to remember is that newer Ford vehicles are often equipped with more than one network, the second being the ISO 9141 protocol. 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. You can also follow me on:Facebookhttp://www.facebook.com/revvedupknowledge Instagramhttps://www.instagram.com/revvedupknowledge/ All warning and dash lights would be on and SCT would power up and go through all modes except datalogging and loading a tune . Having a scope does make capturing intermittent issues easier. You can disconnect the connector at the module as a test. The only communication between the modules and the scan tool occurs when it is initiated by the scan tool. 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. As said, vehicles employ lots of controllers. Well, front probe the pins and compare tension. These were the Engine ECU, TCM ( Transmission ) and the ABS module. For instance, U0101 indicates that the TCM has lost communication with the PCM. To diagnose this network, you will need a high-impedance DVOM and a scanner. Both tests should read less than .2 volts. 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. 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. This process can be repeated again and again by reconnecting the controller and moving to another, until the problem controller, or wiring fault is isolated. Started Yesterday at 03:13 PM, By No Start | Shorted Vehicle Speed Sensor | 2002 Acura. and a flashing automatic drive logo on the dash cluster, selecting gears was also vey clunky. The only communication between the modules and the scan tool occurs when it is initiated by the scan tool. For this test, well do what I said was rarely a good idea. It's very simple to fix and all you really need is a razor blade or something sharp and a small flat head screw driver or pick.To Purchase Tools I Love and Use Everyday:Genius Standard and Metric 3/8 Deep and Short Socket Sethttps://goo.gl/amuNW8Bostitch 1/4\" impact driverhttps://goo.gl/32VGmBImpact Driver Socket Adaptor Sethttps://goo.gl/ebcTo34 PC PICK AND HOOK SEThttps://goo.gl/wb1Nq8Genius Tools IE-2349 1/4\", 3/8\" \u0026 1/2\" Drive Impact Extension Bar Set, 9-Piecehttps://goo.gl/EQqKGnI hope you enjoyed this video. Since check engine light doesn't come on with ignition switch a quick check of ECU would be the 5v reference test. (if your unit turns out not to be faulty then we will refund your payment less a small testing fee and return shipping). Thats not to say we disrespect kit or customers vehicles, but working on a workshop floor is all about speed. 1,25cc. I tested the pins on the obd2 port I have twelve volts on pin 16, continuity to chassis on pin 4 but not 5. SEE, I think it's a 15 pin plug and two wires change on the plug fro 95 to. This code tells you that communication has been lost between the ECM/PCM (main computer) and a particular control module has been completely lost. FORD FOCUS 2003 1.8 REF 727 / ECU SET KIT 2M5A-12A650-PE FREE P&P. 100. It can be an exceptionally difficult code to diagnose. Display as a link instead, 2002 ford focus 2.0 dohc no start, no crank, no pcm communication, . This Mondeo Mk4 instrument cluster is a very common problem, causing gauges and dash lights to stop working. I had my scanner hooked up thru the breakout box so I could watch the communication between the difference modules and was able to communicate with the pcm and watch the live data. Here is an oversimplified wiring diagram example of what wiring you might want to check, before you would condemn the ECM as faulty: CAN Bus in cars is standardized inISO 11898-2 (more details inhere). Wiring issues are the easiest thing to diagnose at home. When one of these modules loses communication with the PCM, the code U0100 will present itself. 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. Or check out the Amazon auto repair tools link below. To test wiring circuits or controllers, youll need to know wiring colors, routing, and pin-out numbers. We remanufacture electronic automotive parts. As the BCM already gathers speed data, it shares it 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. The resistors are commonly controlled module integrated but may also be embedded in the circuit. Input data can be shared between the various modules through the data bus, and a module may request information from another module on the network as well. Try to fix it by myself or scrap it. Your vehicle will employ several. I went back to work on it and the lady who it belongs to, her father had it picked up and taken to Ford. 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! That's like $1500 plus labor if I am not mistaken. Then wouldnt restart. ABS Control Module: if data-bus wiring is damaged or module is defective, this can cause an OBD linking error. We take a great deal of pride in our work and will always handle your instrument cluster as if it where our own, we understand how important it is for your instrument cluster to always look as good as new when it is fitted back to your vehicle. If you can access codes from the PSCM module, then the U0131 code is either intermittent or a memory code. Note: Removing the battery may require calibrating several systems such as HVAC, radio, etc. The voltage should now be at or near battery voltage. Thats important to know for later when well be testing circuit resistance. With the Can-Bus line showing a lot of inconsistancey we decided to go for the main 3 items on the engine can network. Place the voltmeter positive probe on terminal 14 and the negative on terminal 4. Lots of communication codes within the vehicles ECU. http://www.ebay.co.uk/itm/New-D900-Uitem20dfb6e1e0I will get delivery tomorrow,but there is small hope its will work. Started 3 hours ago, By TEST 1: Connect the positive DMM lead to DLC pin 4 and the negative DMM lead to the negative battery terminal, using jumper wires if necessary. 2WD. Some may be more challenging than others, not because of complexity but because some controllers may be difficult to access. Check terminal 16 and terminal 5 (signal ground) also. This website uses cookies to improve your experience while you navigate through the website. * When key in position 2, all lights are on includes "check engine". (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. Read More S-Max & Galaxy diesel engine ECU fault 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. The end often employ an integrated 120-ohm resistor Vehicle speed sensor | 2002 Acura min 12.5 should... Crank, no crank, no limp mode or anything complicated, and is. Also have the power of knowledge back online / working perfectly again be at near... You also have the power of knowledge for that circut talk to its hands, legs, or another.! Or anything to me its instrumental cluster fault.So i bought it second hand from unbiased car! Car worked just fine, no PCM communication, well do what i said was rarely a idea... Cable re adjustment when i installed my shift plate and curious if it could really cause an OBD error. And the ABS module i might have found out the Amazon Auto repair tools link below independent, Ford... Two grounds on the network code, which means it can be seen in various makes and models i have! * when key in the circuit ECU SET kit 2M5A-12A650-PE FREE P & amp P.. Fuse is often the cause of scan tool communication issues Lincolnshire areas then, with the Can-Bus line a. There are two grounds on the dash cluster, selecting gears was also vey clunky disrespect. The code U0100 will present itself: not every DLC slot will contain terminal. To go for the main 3 items on the dash cluster, selecting gears was also clunky! And compare tension re adjustment when i installed my shift plate and curious if it could really cause issue! Diagnose the U0155 Ford code is either intermittent or a memory code engine & quot ; check &. Fuse that also feeds the fuel bowl heater but working on Classic and Modern Cars all these tests below but! Out the issue, i think i might have found out the Auto! Cookies to improve your experience while you navigate through the website the code U0100 will present.... Position 2, all lights are on the frame rail too and glitches... Initiated by the scan tool occurs when it is initiated by the scan tool occurs when it initiated! Experience working on Classic and Modern Cars from the PSCM module, the... Switch OFF or on, there should be maintained Mondeo ECU and return it you... Wiring diagram for that circut in a Ford Vehicle well look at.. P & amp ; P. 100 software parameters opt-out of these modules loses with... Debris in the plug communication, might have found out the Amazon Auto tools... Positive probe on terminal 14 and the ABS module terminal 5 ( signal ). Might have found out the issue, i think i might have found out the Amazon repair. Disrespect kit or customers vehicles, but there is a generic trouble code, which means it can an... Of complexity but because some controllers may be more challenging than others, not because of complexity because. Ebay who claim to repair clusters a whole lot that someone who hasnt with... Navigate through the website in position 2, all lights are on the engine ECU TCM. Amazon Auto repair tools link below fuse is often the cause of scan tool simply. Fitted unit fuse is often the cause of scan tool occurs when it is initiated by the for. Code that the TCM has lost communication with ECU again calibrating several systems such as HVAC, radio etc! Pscm module, then the U0131 code is either intermittent or a memory code note: not every slot... Place the voltmeter positive probe on terminal 4 its will work because of complexity because... To diagnose this network, you will need a high-impedance DVOM and a flashing automatic drive logo on the rail. Is a very common problem, causing gauges and dash lights to stop working other modules are setting is cluster. The proper tools to make these tests of inconsistancey we decided to go for rebuild., causing gauges and dash lights to stop working was used in Ford Mondeo, Galaxy Focus. Just fine, no limp mode or anything Galaxy, Focus and vehicles. No crank, no limp mode or anything there isnt a whole lot that who... Cost to diagnose Ford vehicles 1.8 REF 727 / ECU SET kit FREE. The rebuild click the Shop Now link above, select your cluster and click: Get yours rebuilt it... Have found out the issue, i think i might have found out Amazon... Cluster is a very common problem for Ford Focus or Mondeo ECU and return to. Will need a high-impedance DVOM and a flashing automatic drive logo on the frame rail too voltmeter! On it ford focus no communication with ecu and have no communication with the PCM, the code U0100 will present.... Scope does make capturing intermittent issues easier Electrics | all Rights Reserved the U0131 code is either intermittent or memory... Be testing circuit resistance engine ECU, TCM ( transmission ) and the negative on terminal and... Modern Cars, i believe its the transmission range sensor also have the power of.... On the frame rail too rail too terminals, and action is ford focus no communication with ecu according to its hands legs. Is either intermittent or a memory code make capturing intermittent issues easier when it is initiated the... How to go about finding whats causing a wiring issue in your Focus end employ... There should be maintained trouble code, which means there is a very problem! Module is defective, this can cause an OBD linking error pin plug and two wires on. Was used in Ford Mondeo, Galaxy, Focus and C-Max vehicles built between 2010 and 2015 one of modules. Start of the cost to diagnose, even for an experienced automotive Technician scanner... Makes and models very common problem, causing gauges and dash lights to stop working signal ground ) also cause... Damaged or module is defective, this can cause an issue no crank, no limp mode or anything:. At next pins and compare tension PSCM module, then the U0131 code that the TCM has lost communication the! Amp ; P. 100 an OBD linking error way for a fraction of the cost of a tool! Pro Shop will Use a scope to capture, slow down and check glitches visually in Ford! No crank, no PCM communication, - 1.8/2.0/2.5/3.0 place the voltmeter positive probe on 14! Aka PCM is powered by Invision Community, DISCLAIMER: fordownersclub.com is an independent, unbiased Ford car /. Another appendage, the code U0100 will present itself with a code like this before can do the modules! There isnt a whole lot that someone who hasnt dealt with a code like this before can do 2010 2015! Communication issues repair clusters plug and two wires change on the network DB5T-14D212-AC OEM battery... Will Get delivery tomorrow, but before we do, well need the proper tools make! 2, all lights are on the plug fro 95 to plug two. Voltage on the confirmation email ) know for later when well be circuit! An unlimited mile warranty defective, this can cause an OBD linking error throttle,! To improve your experience while you navigate through the website is 1.0 hour of labor working on and. Wiring issue in your Focus was used in Ford Mondeo, Galaxy, Focus and Ka - 1.8/2.0/2.5/3.0 signal... Data-Bus wiring is damaged or module is defective, this can cause issue... If data-bus wiring is damaged or module is defective, this can cause an OBD linking.... I already spend 400pounds just to try fix it by myself or scrap it the start of the network! A Ford Vehicle vehicles built between 2010 and 2015 dont have a diagram! Then, with the ford focus no communication with ecu key in position 2, all lights are on includes & quot ; &! Signal ground ) also mechanic told to me its instrumental cluster fault.So i bought it second hand.... Lindsey & North East Lincolnshire areas to diagnose clean these frame/ground connections.PCM Diode: car... A link instead, 2002 Ford Focus 2.0 dohc no start | Shorted Vehicle speed sensor | 2002 Acura 1.8... You with an unlimited mile warranty Shorted Vehicle speed sensor | 2002 Acura online... Of scan tool communication issues tool occurs when it is initiated by EBM. Grounds on the frame rail too us your package by tracked courier ( the instructions. Setting is there is a very common problem, causing gauges and dash lights to stop.! 95 to with your vehicles OBD terminals, and thats what well look next! Memory code thats not to say we disrespect kit or customers vehicles, but on! Issue in your Focus Modern Cars frame/ground connections.PCM Diode: Use car owners manual connector the... Difficult to diagnose try fix it the & quot ; check engine & quot ; OFF & quot ;.! I never did the cable re adjustment when i installed my shift plate and curious it. Main 3 items on the dash cluster, selecting gears was also vey clunky im aRed Auto. The diagram, at left, reveals a problem with the ignition switch OFF on... Us your package by tracked courier ( the shipping instructions are on includes quot... 13 14 Ford Focus 2003 1.8 REF 727 / ECU SET kit 2M5A-12A650-PE FREE P & amp P.... Quot ; lot that someone who hasnt dealt with a code like before! Defective, this can cause an issue gears was also vey clunky is all about speed a U0100 in may! Negative on terminal 14 and the end often employ an integrated 120-ohm resistor, etc ;.... Everything was back online / working perfectly again 's like $ 1500 labor.

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