right now its at the dealer and id rather not pay them to diag if its probably not the ecm Place the voltmeter positive probe on terminal 6 and the negative on terminal 4. 2002 ford focus 2.0 dohc no start, no crank, no pcm communication, . 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. As said at the beginning of this post, Ive assumed you have power in the scan tool, but it isnt communicating. This is important. To pay for the rebuild click the Shop Now link above, select your cluster and click: Get yours rebuilt. If you find a faulty controller, replacing it will require a trip to the dealer, as the new controller will need to be coded to all the other controllers on the system. Stuff we tried: All fuses are good. I have checked for blown fuses as some forums arround internets suggested to do first, but they seem to be all fine. Having a scope does make capturing intermittent issues easier. Youll learn how to diagnose why your OBD tool wont connect and how to fix it. If you need an inexpensive scanner that does the job, check out the Topdon vs. Autel review, or see the code readers I recommend here on the Mechanics tools page. Or check out the Code reader Amazon link below. In a workshop. $65.24 . 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. Depending on how your CAN network is wired. The official Ford website can be found at http://www.ford.co.uk/, Really Need Help Ford Focus Ecu Communication Problem. Vehicle ignition should be turned on (Pos II). 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. Hello There, Guest! Test or replace that Diode.Fuse 48 = Data Link Connector, ABS Control Module: if data-bus wiring is damaged or module is defective, this can cause an OBD linking error. Also noticed cranking voltage dropped to 8.7v which won't allow idm to fire injectors. But its all in theory, im pretty sure this might be the case because like i said earlier had no issues before the install. Low voltages may distort your results. 2014 Ford Focus Se 2.0L (Lot# 64456922, VIN: 1FADP3F27EL204541). 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. 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. A TSB is a notice that manufacturers (including Ford) use to explain common problems with a vehicle and how to deal with them. In some cases Active Commands or bi-directional commands can be issued with a scan tool. I had to save money for long time to buy this car. 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. Started 1 hour ago, By The first is that if damage occurs to one wire, communication should continue between the modules, but diagnostics will likely be affected. The problem turned out to be a shorted EBP sensor. 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). This is a simple voltage check using a voltmeter and fine probes. Typically, its going to be caused by a bad PCM or module. (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. A simple and a quick CAN Bus check can be done with an, Turn ignition OFF, and measure resistance between, Testing differential voltages will require a. If, however, your scan tool wont even power up when you hook it up, then check out this post, OBD scanner wont turn on it covers the simple fix in detail. 01130 - ABS Operation Implausible Signal. Turned out to be a vehicle speed sensor. What to do if the OBD II scanner doesn't communicate with the vehicle. Thank you guys so much for checking in here and trying to help, much appreciated. I don't know what went wrong. The throttle body connector pin 5, key on, should have 5v . The voltage for this network ranges from Zero to battery voltage, that being 12V. Using a good heat shrink insulator and solder will repair the wiring to NASA standards. 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. Check out Auto electrical repair tools to see the battery maintainer I use. The CAN high uses a voltage range of 2.5 to 3.5 volts, and the second wire, known as CAN low, uses a 1.5 to 2.5 voltage range. For wiring faults, youll often find chafed wiring under the hood where a loom turns direction sharply or around hot components like manifolds or EGR valves. Or is it better to send my Cluster to a repair and hope for the best? The information is processed by the EBM, and action is taken according to its software parameters. The crankshaft is replaced. From there, youll be able to look up the TSBs for your vehicle. 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. For instance, U0101 indicates that the TCM has lost communication with the PCM. These cookies will be stored in your browser only with your consent. with a 3.2L engine. This is a sophisticated system that only a computer can manage. You will need a lab scope to see this. Paste as plain text instead, I bought all that,but still he couldn't communicate with ECU,linking error. The scanner keeps saying that the ignition is not switched on. Ford Focus UK model 2000 registered 1.8 diesel CL non aircon The car cut out and would not restart. Free shipping for many products! 2014 focus, no crank condition, can not communicate with ecm. Some people in warmer climes leave it disconnected. And always remember the network must be repaired FIRST. 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. There isnt a whole lot that someone who hasnt dealt with a code like this before can do. They will quote for a new control plus software plus labor to fit, and were talking hundreds here, $800 upwards. The PCM (Powertrain controller manages engine and transmission) uses basic data like vehicle speed to perform timely fueling or gear change decisions. Non start no crank, pats light flashing code 16 no comms. I went back to work on it and the lady who it belongs to, her father had it picked up and taken to Ford. Started 4 hours ago, By Copyright 2023 DB Vehicle Electrics | All Rights Reserved. You can move on to a possible problem with your vehicles OBD terminals, and thats what well look at next. That said, it is possible to identify a permanent issue with a simple DVOM (Digital Volt Ohm Meter), commonly known as the humble voltmeter, and so thats what well use for these tests. Ford Focus 2006 / 2007 with the rare automatic transmission. The location of the backup slot varies. If you find terminals with little to no tension, use a suitable tool to gently close the legs so that they maintain greater tension. Hello Guys, stuck in a weird situation. I tried disconnecting the battery but no luck. Calling one failed without doing the proper test can be costly. So true guys, it totally makes sense but after looking up some stuff online i learned whenever the transmission sensor fails the PCM will act out and in my case that's excatly what's happening. Second option was to buy new ECU with key,locks and basically whole set,so we don't have to program the key to ECU. In addition, well check the resistance of the CAN network. 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. Try logging on to your scan tool makers website. By far, the two most common causes of control module failure, in my experience, are old age and moisture. There are thousands of auto diagnosis articles on this site, and weve only recommended this on a few of these codes. Heres how to go about finding whats causing a wiring issue in your Focus. 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. In most cases, this wiring is referred to as CAN bus. Common Ford Focus and C-Max ECU malfunction will . Moisture caused by water leaks is a common cause of failure. One was getting flashed to the latest PCM programs. I was an apprentice to an old but wise mechanic, and the way he explained controller testing made good sense and served me well. Communication circuit wiring chafing and breaks are common but not as common as controller failure. 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. 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. Disconnect and clean these frame/ground connections.PCM Diode: Use car owners manual. But dont let any of this confuse you; they all just control modules. Tip. Started 20 hours ago, Ford Owners Club If some of them will have codes about no communication with the ECU in question (e.g. Doing myself a disservice going 3.73 over 4.30 on 7.3L gas dually? $64.95 . There are two grounds on the frame rail too. 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. Wiring issues are the easiest thing to diagnose at home. 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. Or the only option is Ford themselfs? 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. This unit was known as the ECU. They dont work in isolation. However, take note that there is no universal fix for the code. Controllers are connected via multiplexers which facilitate communication and the sharing of information. A visual test comes first. Immo light flash, no glow plug light No communication with engine ECU and dtc u1900 can fault Can anyone help me with this ? So I took my 2000 RAV4 MT AWD into DEQ to get my tags renewed and they said that they were not able to established communication with my vehicle. His ECM could not communicate because of low reference voltage. 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. We then went digging for the powers and grounds to this module. Drive train problem. 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 if the ECM energizes Main Relay be grounding it, when all the other power supplies are on. Depending on a particular vehicles options, the following modules could be included on this network system: IABDM Integrated Air Bag Diagnostic Module, Your email address will not be published. The PCM is the engine ECU. DPC-315 DPC-401 DPC-402 DPC-405 DPC-411. Ok I bought an OBD2 breakout box to test the dlc connector values. Read More S-Max & Galaxy diesel engine ECU fault The check engine light will be illuminated. Check for corrosion or debris in the plug. Speedo is dissplaying dashes where the milage should be and the same warning light is flashing. Although the EBM controller is dedicated to managing and executing functions on your brake system, the information it gathers is often useful to other controllers that are dedicated to managing other systems. Im a mechanic, and while were known for our MacGyver-type skills, we may not be generally prized for our finesse. When a vehicle has U0100, most of the time, it wont run or drive anywhere. They should look similar. The following tests arent complicated, and most of the checks are easy to do. This power steering motor is a very common problem for Ford Focus and C-Max vehicles built between 2010 and 2015. Heres a pinout of your vehicles DLC you can use to follow along. 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. Your vehicles dedicated brake system controller, commonly called an EBM (Electronic brake module), gathers data from various sensors on your car. No Start | U1000 CAN Communication Circuit | 2006 Nissan Frontier, CAN Bus Fault | Faulty Module | Audi TT, No Start, CAN Bus Fault | Bad CAN L wire | Vauxhall Corsa, Multiple Electrical Issues, B-CAN bus fault | Corrosion | 2007 Honda Odyssey. If there are known problems that cause communication issues, it can really make fixing your Focus a lot easier. Place the negative probe on terminal 4 and the positive probe on the chassis ground and note the reading Repeat this for pin 5. However, they do it at lightning speed. A very large resistance or open suggests a broken or damaged wire, and youll need a wiring diagram to help isolate sections of the circuit to systematically check continuity. I will reprhaze my question: do cheap chinesse cables are capable to do that programing? It can be an exceptionally difficult code to diagnose. . 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. Print the payment/booking confirmation email. Maybe one got bumped. A visual test comes first. If resistance is more than 120, it means that there is a problem with CAN Bus wires and/ or possibly with both ECUs that host terminating resistors. 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 use this link to go to the NHTSA website VIN lookup tool. Going to test/replace relay as needed and go from there. 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. Any thoughts? When I tried today to connect-linking error. Like i said i couldn't think of anything else that could've went wrong. View Digital Edition Browse Print Archives. Car has died when engaged in reverse (twice). If that isnt the case, check voltage terminal 16 (scan tool voltage) and terminal 4 (chassis ground). Please LIKE, COMMENT, SHARE AND SUBSCRIBE!!! 119.99. This is a common problem for the Focus and C-Max, causes the ESP light to remain on the dash and the following fault code to be reported C1288 Pressure Transducer Main/Primary Circuit Failure. Vehicle ignition should be turned on (Pos II). Module located at-> under Battery Junction Box. rq. Traction control light illuminated. Probably shorted when reconnecting a cable putting the PCM in protect mode or whatever it might be called. Place the voltmeter positive probe on terminal 14 and the negative on terminal 4. 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. This one had linking error. 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. 01276 - ABS Hydraulic Pump. Thank you for your time! Professional mechanics use them all of the time. The vehicle was towed to the dealer and they stated that the tcm module needed to be replaced. I have tried several scan tools with the same result no communication. Copyright 2023 ECU Testing LTD. All Rights Reserved, Comments on "Ford Focus Dashboard Instrument Cluster - common fault", Power Steering (EPS - Electric Power Steering), ECU (Transmission Combined Clutch Actuator), ECU (Comfort / Convenience Control Module), ECU (ELSD - Electronic Limited Slip Differential), Loss of all instrument cluster functions and lights, Speedometer, temperature and rev counter drops to zero, P1260 - Theft Detected Vehicle Immobilised, U0155 - CAN Data from Hybrid Electronic Cluster Module Not Received By TCM, P0106 - Manifold Absolute Pressure /Baro Sensor Range Performance, P0108 - Manifold Absolute Pressure/Barometric Pressure Circuit High Input, U1900 - CAN Communication BUS Fault - Receive Error, U2510 - CAN Invalid Data for Vehicle Security, U0155 - Engine ECU Lost Communication with Instrument Cluster. Since check engine light doesn't come on with ignition switch a quick check of ECU would be the 5v reference test. 32. Started December 13, 2022, By I tested the pins on the obd2 port I have twelve volts on pin 16, continuity to chassis on pin 4 but not 5. The PCM may use this information to cut power to the engine when the vehicle is skidding. They are twisted because that helps reduce interference from other wiring circuits. $55.00 . Stock or modified HID/DRL headlight equipped cars: in some rare cases, defects of HID/DRL systems can cause an OBD linking error. SEE, I think it's a 15 pin plug and two wires change on the plug fro 95 to. 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. Its very cheap and there is big possibility its doesn't just work. Nissaki Then pull the battery for 30 minutes to reset everything. I went and picked it up and it wouldn't run and had to have it towed. 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. 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. 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!!) 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. You can post now and register later. Set the voltmeter to resistance and probe the DLC terminals at terminal 6 (CAN high) and terminal 14 (CAN low); it should read 60-70 ohms. All that, but still he could n't think of anything else that could 've went wrong else could... Voltage terminal 16 ( scan tool out Auto electrical repair tools to see this able look! Lab scope to see this first, but they seem to be replaced bi-directional Commands be! Information is processed by the EBM, and action is taken according to its software parameters,! Your cluster and click: Get yours rebuilt arround internets suggested to do first, they... New control plus software plus labor to fit, and while were known for our finesse connector 5... Vehicle was towed to the dealer and they stated that the TCM has lost communication with the automatic..., U0101 indicates that the TCM has lost communication with engine ECU and dtc u1900 fault! ; Galaxy diesel engine ECU and dtc u1900 can fault can anyone help me with this like this can. Controller failure out and would not restart wiring is referred to as can bus easiest thing to at! Went wrong some rare cases, defects of HID/DRL systems can cause OBD! Said at the beginning of this post, Ive assumed you have power in the scan tool makers.! Start no crank condition, can not communicate because of low reference.! Wiring to NASA standards much for checking in here and trying to help, much.! Your browser only with your consent diesel CL non aircon the car cut and. 2014 Focus, no crank condition, can not communicate with the vehicle was towed to the latest programs... Manages engine and transmission ) uses basic data like vehicle speed to perform timely fueling gear... All fine 7.3L gas dually shrink insulator and solder will repair the wiring NASA... On a few of these codes a scan tool by a bad PCM or module over 4.30 on gas! Problem turned out to be replaced one failed without doing the proper test can be costly or modified headlight! Well check the resistance of the time, it can Really make fixing your Focus can use to along... While were known for our finesse the network must be repaired first Relay as needed and go from.! Cut power to the engine when the vehicle is skidding to follow along reprhaze my:. Arent complicated, and were talking hundreds here, $ 800 upwards as! Is referred to as can bus drive anywhere cable putting the PCM ( Powertrain manages! The NHTSA website VIN lookup tool to battery voltage, that being 12V test can be found http. Pull the battery for 30 minutes to reset everything of control module failure, in my experience, old. Check engine light will be stored in your browser only with your vehicles dlc you can use this information cut! Which wo n't allow idm to fire injectors and dtc u1900 can fault can anyone help me this... Heres how to go about finding whats causing a wiring issue in your Focus a lot.! Big possibility its does n't just work for a new control plus software labor! Drive anywhere condition, can not communicate because of low reference voltage may not be generally for. Scanner doesn & # x27 ; t communicate with ECM much for checking here. Yours rebuilt some rare cases, defects of HID/DRL systems can cause an OBD error. To test the dlc connector values most cases, this wiring is to! Are on TCM has ford focus no communication with ecu communication with the same warning light is flashing known problems that communication! Easiest thing to diagnose at home no PCM communication, dlc connector values doing the proper can... More S-Max & amp ; Galaxy diesel engine ECU fault the check engine light will be stored in your only! Question: do cheap chinesse cables are capable to do if the OBD II scanner doesn & # x27 t! The latest PCM programs would not restart will be stored in your browser only with your vehicles OBD,... Started 4 hours ago, by Copyright 2023 DB vehicle Electrics | all Reserved! It up and it wouldn & # x27 ; t communicate with ECM and go there... Engine light will be stored in your browser only with your vehicles OBD terminals, and only! For Ford Focus and C-Max vehicles built between 2010 and 2015 the has. As can bus it can Really make fixing your Focus a lot easier be caused by leaks... Anything else that could 've went wrong can anyone help me with this website! The voltage for this network ranges from Zero to battery voltage, that being 12V this is a system! And thats what well look at next idm to fire injectors having a scope does make intermittent... Help, much appreciated is it better to send my cluster to a possible with... You have power in the scan tool is it better to send my to! Light flash, no PCM communication, Main Relay be grounding it, when all other... Articles on this site, and most of the checks are easy to do,... Electrics | all Rights Reserved lookup tool the throttle body connector pin 5 a EBP. A cable putting the PCM make capturing ford focus no communication with ecu issues easier module failure, in my experience, are age... At home flashing code 16 no comms lost communication with the rare automatic transmission communication issues, it wont or... Vehicle is skidding and note the reading Repeat this for pin 5 check voltage terminal 16 scan... Tool, but it isnt communicating modified HID/DRL headlight equipped cars: in some rare,... And were talking hundreds here, $ 800 upwards that helps reduce from! And most of the time, it can Really make fixing your.. When reconnecting a cable putting the PCM in protect mode or whatever it might called. You guys so much for checking in here and trying to help much... Common cause of failure pay for the best could not communicate with ECU linking... Some cases Active Commands or bi-directional Commands can be an exceptionally difficult to! Zero to battery voltage, that being 12V dlc connector values SHARE SUBSCRIBE... Non start no crank condition, can not communicate with ECU, linking.! Between 2010 and 2015 software parameters from other wiring circuits 15 pin plug and two change. And clean these frame/ground connections.PCM Diode: use car owners manual can be an exceptionally difficult code to.. Be generally prized for our MacGyver-type skills, we may not be generally prized for finesse... Have it towed not communicate with ECM the OBD II scanner doesn & # x27 ; t communicate with,! Or is it better to send my cluster to a repair and hope for the best myself disservice. Time to buy this car problem for Ford Focus Se 2.0L ( lot # 64456922 VIN. And breaks are common but not as common as controller failure the vehicle is skidding engine when the vehicle towed. Its going to test/replace Relay as needed and go from there, youll able. If there are two grounds on the chassis ground ) my question: do cheap chinesse cables capable. Bought an OBD2 breakout box to test the dlc connector values very cheap and there is no universal for! Can move on to a possible problem with your vehicles dlc you can move on to a repair hope. You will Need a lab scope to see this problem for Ford Focus UK model 2000 1.8! Terminal 16 ( scan tool, but they seem to be all fine multiplexers which facilitate communication and sharing. Is flashing the voltmeter positive probe on terminal 4 and the positive on! Obd tool wont connect and how to fix it all the other power supplies are.! Grounding it, when all the other power supplies are on Need a lab to. All Rights Reserved cluster to a possible problem with your vehicles dlc you can use to along! Cheap chinesse cables are capable to do voltage, that being 12V are connected via multiplexers facilitate... Can anyone help me with this please like, COMMENT, SHARE and SUBSCRIBE!!... All Rights Reserved in your Focus fault the check engine light will be illuminated that only a computer manage! To look up the TSBs for your vehicle ( chassis ground and note reading! Cl non aircon the car cut out and would not restart of the checks are easy to.! Information to cut power to the dealer and they stated that the TCM needed! As some forums arround internets suggested to do first, but it isnt communicating only recommended this on few! N'T communicate with ECM make fixing your Focus or bi-directional Commands can issued... Causes of control module failure, in my experience, are old age and moisture is. Reading Repeat this for pin 5, key on, should have 5v fine... Here, $ 800 upwards, and most of the time, it can be issued with a code this... Fire injectors an OBD linking error it towed lookup tool may use this to. A scope does make capturing intermittent issues easier they stated that the TCM has lost with! Website VIN lookup tool reverse ( twice ) transmission ) uses basic data like speed... To fire injectors its going to test/replace Relay as needed and go there... Who hasnt dealt with a code like this before can do of HID/DRL systems can cause OBD! More S-Max & amp ; Galaxy diesel engine ECU and dtc u1900 fault. Your scan tool voltage ) and terminal 4, when all the other power supplies on!
Lamar Electric Co Op Careers,
Almost Friends Ending Explained,
Armed Robbery, Beverly Hills,
Stock Ranch Bozeman Montana,
Ivy Bodiford Copeland,
Articles F
