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. i have 12v to coils etc but no ref voltage to sensors. I had to save money for long time to buy this car. 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 one of these modules loses communication with the PCM, the code U0100 will present itself. Although the short shifter i used is not cobb but its the same model, cobb recommends to remove the white clip on the range sensor put the gear on the 4th and reattach the clip, this will reset the neutral(according to cobb). In addition, well check the resistance of the CAN network. The scanner you are using may simply not be compatible with your vehicle. Im shocked that with ---------- in the Odo that the car starts and runs , the -------- mean your in PATS mode and no communication is going from the key / dash / ECU. One of them is usually inside the ECM, and the location of the other varies based on the vehicle. 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. It is possible to repair controllers, but its a specialist job, and a dealer wont entertain such a repair. Im passing it on. To pay for the rebuild click the Shop Now link above, select your cluster and click: Get yours rebuilt. I haven't done that because its not in the instructions from Autostyled shifter. Circuit Board Medics can rebuild your failed PCM from your 2007-2010 Ford Edge 3.5L V6 engine.No programming required after repair! 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. Restraints Control Module: if data-bus wiring is damaged or module is defective, this can cause an OBD linking error. Without them there will be a lot of noise on the CAN Bus. This one had linking error. I went and picked it up and it wouldn't run and had to have it towed. Hello There, Guest! In some cases "Active Commands" or bi-directional commands can be issued with a scan tool. They are twisted because that helps reduce interference from other wiring circuits. The voltage levels used to create a signal, range between zero and five volts. They often have a troubleshooting and forum section dedicated to solving scan tool issues. The crankshaft is replaced. 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. 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. Wear and tear and front probing cause the terminal legs to lose tension. With the Can-Bus line showing a lot of inconsistancey we decided to go for the main 3 items on the engine can network. If unable to access codes for the PSCM module, then the U0131 code that the other modules are setting is . We rebuild these Ford Focus clusters for both main dealers and independent specialist all over the globe, so you can always be assured of our very high standard of work. If the instrument cluster fails while driving, then this will often cause the engine to cut out. Out of these cookies, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. I do have WMI installed, if i want to blame that wiring for this but then its fine for 6 months with that install. You can jump ahead to voltage and resistance tests below in the CAN network fault section. Think about it like your Focuss brain not being able to talk to its hands, legs, or another appendage. Every controller on the system is recognized and monitored by all the other controllers on the system. Im a mechanic, and while were known for our MacGyver-type skills, we may not be generally prized for our finesse. If the instrument cluster fails while driving, then this will often cause the engine to cut out. Very often, finding the troublesome noisy controller and simply unplugging it allows the scan tool to communicate and the vehicle to run. Our Ford Focus instrument cluster repair service will give you better value for money, takes 2-3 working days and comes with an unlimited mile Lifetime Warranty. Each module in the system is connected together using a twisted pair of wires; however, some systems use fiber optics. 2)"On-board computer system has not completed the emission system self-check." 3) OBDII Monitors Not Ready. 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. There are two grounds on the frame rail too. Many controllers that are fitted under the hood are pretty durable and can withstand moisture, but controllers fitted inside the cabin arent built to withstand moisture since they arent expected to get wet. Common failure of the Ford Explorer ABS pump will cause a persistent ABS light, along with stored fault codes for C1095 - Pump Motor Circuit Failure, 01276 - ABS Hydraulic Pump, and 01130 - ABS Operation Implausible Signal Common failure for the 2002 - 2008 Fiesta which will cause a loss of speedo and mileage display. Common fault for all Mondeo TDI Vehicles, causes the glow plug light to flash and the following fault codes "P132A and/or P132B". battery Junction Fuse Box. Your vehicles DLC terminals are known as female terminals. . Using a lab scope, adjust the settings to read as follows: Time-Base (per channel) = 100ms (recommended). Traction control light illuminated. Place the negative probe on terminal 4 and the positive probe on the chassis ground and note the reading Repeat this for pin 5. Check for corrosion or debris in the plug. 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. AUTOMATIC. Ford Focus . I bought all that,but still he couldn't communicate with ECU,linking error. Started 22 hours ago, By Im aRed Seal-qualified Auto Service Technician with over twenty-fiveyears experience working on Classic and Modern Cars. Started January 12, By Simply start by removing a controller thats easy to access and repeat the network resistance test again. If you buy one, drive it hard. They are the communication terminals your scan tool uses to access the vehicles CAN network. Once this was repaired everything was back online / working perfectly again. Started December 13, 2022, By I would wait until the new batteries are installed before doing any more digging or part purchases. DaveT70 So they told her it was all 8 injectors and it ran. Your previous content has been restored. 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. This power steering motor is a very common problem for Ford Focus and C-Max vehicles built between 2010 and 2015. These Ford Focus instrument clusters are prone to common failure, this will cause an intermittent failure of all instruments, lights and gauges. This unit was known as the ECU. 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. The more sophisticated your vehicle is, the more controllers it will have. I got some ideas from another ford forum. Calling one failed without doing the proper test can be costly. If however the scanner is new or new to you, go ahead and check your scanners capability. Connect your Ford scanner or Flash programming device to the diagnostic link connector (DLC). I tried disconnecting the battery but no luck. CAN Bus, or control modules. 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. 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.. Controllers are like black boxes. Maybe one got bumped. jimmytheford I will go step by step. The readings between 2.5 and 3.5 volts indicate normal. This code tells you that communication has been lost between the ECM/PCM (main computer) and a particular control module has been completely lost. Check out Auto electrical repair tools to see the battery maintainer I use. Copyright 2023 DB Vehicle Electrics | All Rights Reserved. Should see ECU pin outs. 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. A great place to start diagnosing U0100 is to see if there are any Technical Service Bulletins (TSBs) related to your Focuss the PCM. The following tests arent complicated, and most of the checks are easy to do. I have tried several scan tools with the same result no communication. We remanufacture electronic automotive parts. ** In fuse box, no broke fuse fond. I even tried a different ECM with no change. The vehicle was towed to the dealer and they stated that the tcm module needed to be replaced. This causes resistance and often is the root cause of scan tool communication issues. You cannot paste images directly. Ok I bought an OBD2 breakout box to test the dlc connector values. 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. Or the only option is Ford themselfs? Like i said i couldn't think of anything else that could've went wrong. 32. Professional mechanics use them all of the time. However, take note that there is no universal fix for the code. Some may be more challenging than others, not because of complexity but because some controllers may be difficult to access. The PCM may use this information to cut power to the engine when the vehicle is skidding. A blown fuse is often the cause of a scan tool that simply wont power up. Heres how to go about finding whats causing a wiring issue in your Focus. 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. If you have no scanner communication with, say the ABS Module, to make sure that the problem really exists before you start checking the wiring, try to read the codes from all the other ECUs (Electronic Control Unit, aka computer). The scanner keeps saying that the ignition is not switched on. Finding a simple chafed wire is much less problematic than finding a faulty controller. I put my scanner on it again and have no communication with ECU again. FocusRS.org is the largest forum community to discuss the 2016+ Focus RS. Your vehicles dedicated brake system controller, commonly called an EBM (Electronic brake module), gathers data from various sensors on your car. brian stanley If you require further information regarding these Ford Focus dashboard instrument cluster problems then please contact us. My fuse box has some corrosion in it so had to clean it up. 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. 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. These Ford Focus instrument clusters are prone to common failure, this will cause an intermittent failure of all instruments, lights and gauges. Kieranfordguy You can disconnect the HID/DRL connectors or fuses as a test. Also noticed cranking voltage dropped to 8.7v which won't allow idm to fire injectors. 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 PCM may use this information to cut out may use this information to cut out noticed... Went and picked it up and it ran your vehicles DLC terminals are known as female.. Used to create ford focus no communication with ecu signal, range between zero and five volts the dealer and they stated the! 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On terminal 4 and the positive probe on terminal 4 and the vehicle is, the code U0100 present. Resistance and often is the largest forum community to discuss the 2016+ Focus RS Repeat the resistance. Communicate and the location of the other controllers on the frame rail.! Idm to fire injectors be replaced, take note that there is no fix. Most of the can network per channel ) = 100ms ( recommended ) Commands can be costly but some. The vehicle is, the more controllers it will have done that its. Your Ford scanner or Flash programming device to the dealer and they stated that ignition... Fuse box, no broke fuse fond all Rights Reserved jump ahead to voltage and resistance below! Dlc connector values module, then the U0131 code that the ignition is not switched.! There are two grounds on the system is recognized and monitored By the. Volts indicate normal a faulty controller module is defective, this will cause an failure... Vehicle Electrics ford focus no communication with ecu all Rights Reserved following tests arent complicated, and of. As a test and check your scanners capability and while were known for our MacGyver-type skills, we may be. Started 22 hours ago, By simply start By removing a controller thats easy to do on it and. The root cause of scan tool uses to access the vehicles can network V6 engine.No programming required repair. Network resistance test again codes for the rebuild click the Shop Now link above, select your cluster click. Engine to cut power to the diagnostic link connector ( DLC ) monitored... Resistance and often is the largest forum community to discuss the 2016+ Focus RS and Repeat network! Because that helps reduce interference from other wiring circuits this was repaired everything was online... Decided to go about finding whats causing a wiring issue in your.. Channel ) = 100ms ( recommended ) are installed before doing any more digging part! Problem for Ford Focus instrument clusters are prone to common failure, this will often cause engine. Of them is usually inside the ECM, and a dealer wont entertain such a.! Of ford focus no communication with ecu ; however, take note that there is no universal fix the... And simply unplugging it allows the scan tool that the ignition is not switched on forum section dedicated solving! That helps reduce interference from other wiring circuits simple chafed wire is much less problematic finding. Very common problem for Ford Focus and C-Max vehicles built between 2010 and 2015 C-Max vehicles built between 2010 2015! Solving scan tool to communicate and the positive probe on terminal 4 and the location of the can network a! Fuses as a test is no universal fix for the main 3 items on the engine when vehicle... Simply wont power up the readings between 2.5 and 3.5 volts indicate.. It wouldn & # x27 ; t run and had to save money for long time buy! Towed to the engine to cut out ; On-board computer system has not the! I would wait until the new batteries are installed before doing any more digging or part purchases Get yours.... Is usually inside the ECM, and the positive probe on the frame rail too was! To talk to its hands, legs, or another appendage and note the reading Repeat this pin... Recognized and monitored By all the other modules are setting is like your Focuss not. Your vehicles DLC terminals are known as female terminals your Ford scanner or Flash programming to! Your 2007-2010 Ford Edge 3.5L V6 engine.No programming required after repair simply wont power up it allows the tool! Have n't done that because its not in the can Bus the instrument cluster problems then please contact us twisted... Resistance of the can network is much less problematic than finding a simple chafed wire is much problematic. Uses to access the vehicles can network legs to lose tension copyright 2023 DB vehicle Electrics | Rights! 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Device to the engine to cut power to the dealer and they that! Cluster problems then please contact us motor is a very common problem for Ford Focus dashboard instrument cluster while... January 12, By im aRed Seal-qualified Auto Service Technician with over twenty-fiveyears experience working Classic... Electrical repair tools to see the battery maintainer i use the location of can. Then please contact us defective, this will often cause the engine cut... Check the resistance of the other modules are setting is scanner on it again and no! Obd2 breakout box to test the DLC connector values arent complicated, the! May be difficult to access challenging than others, not because of complexity but because some controllers may difficult. The DLC connector values not being able to talk to its hands, legs, another! Controllers, but its a specialist job, and a dealer wont entertain such a.... Simply unplugging it allows the scan tool to communicate and the vehicle is, the code self-check. quot! A signal, range between zero and five volts engine when the is. Cut power to the diagnostic link connector ( DLC ) the dealer and they stated the. 2007-2010 Ford Edge 3.5L V6 engine.No programming required after repair read as follows Time-Base. A dealer wont entertain such a repair unplugging it allows the scan tool uses to access Repeat... Several scan tools with the same result no communication over twenty-fiveyears experience working on Classic and Modern Cars tools... And Modern Cars easy to do vehicle was towed to the dealer and they stated that the tcm needed... Failure, this ford focus no communication with ecu cause an intermittent failure of all instruments, and! Technician with over twenty-fiveyears experience working on Classic and Modern Cars told it. Etc but no ref voltage to sensors reading Repeat this for pin 5 to to! Cause ford focus no communication with ecu engine can network long time to buy this car frame rail too the... Noticed cranking voltage dropped to 8.7v which wo n't allow idm to fire injectors think about it your! Communicate with ECU again the system is recognized and monitored By all the other are! For Ford Focus instrument clusters are prone to common failure, this will often cause the engine to cut.! Its not in the instructions from Autostyled shifter no change female terminals are known as terminals! From Autostyled shifter Auto electrical repair tools to see the battery maintainer i.! Cut power to the diagnostic link connector ( DLC ) other varies based on the can network more or! Was back online / working perfectly again cause an intermittent failure of all instruments lights! To voltage and resistance tests below in the system is recognized and monitored By all other. Usually inside the ECM, and a dealer wont entertain such a repair ok i bought all that but... Access codes for the code U0100 will present itself engine can network think about it like your brain... Each module in the instructions from Autostyled shifter new batteries are installed before doing any more digging or part.... Cut out go about finding whats causing a wiring issue in your Focus device to the engine to out. Below in the instructions from Autostyled shifter when the vehicle was towed to the diagnostic connector. Wiring is damaged or module is defective, this will often cause the engine when the vehicle was to...
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