The location of the backup slot varies. If unable to access codes for the PSCM module, then the U0131 code that the other modules are setting is . Now, turn ON the ignition switch and compare the signal(s) you see with the diagrams below. 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). could the ecm be causing it. 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. It comes up as code16 which means there is a communications problem with ECU. With the Can-Bus line showing a lot of inconsistancey we decided to go for the main 3 items on the engine can network. 2014 focus, no crank condition, can not communicate with ecm. From there, youll be able to look up the TSBs for your vehicle. 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. Well, front probe the pins and compare tension. Professional mechanics use them all of the time. The other day I was driving arroud the city and a warning light came up. 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. A visual test may reveal the issue, but youll likely need to perform a pin drag test. All control modules will operate in FMEM. I'm not able to connect to the ecu. 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. 8L2T-14D212-AF | FORD OEM COMMUNICATION CONTROL MODULE UNIT . See the diagram above. I do have WMI installed, if i want to blame that wiring for this but then its fine for 6 months with that install. February 12, 2015 in Ford Focus Club. Simply start by removing a controller thats easy to access and repeat the network resistance test again. A battery with min 12.5 volts should be maintained. ** In fuse box, no broke fuse fond. The fault could also, of course, be a wiring issue between the suspected faulty controller and the network. No the car is hard to start and misfires like a thunderstrom. Computers are great most of the time, but when they dont work, theyre a pain in the jacksie. Before you start chasing the wiring issues. I wrote a post about the systems it affects, which is included in this post How hard is it to change car battery.. Package the Ford Focus dashboard inside a sturdy box with plenty of packaging material (make sure you include your confirmation email in the box). He offered to scrap my car,cos there should be some wiring problem and to find where,its will cost fortune to me. Or something like "Universal Car Truck 3 in 1 Interface Scanner Diagnostic Tool For V2013.03 CDP+ " that is arround 50 pounds is needed? So they told her it was all 8 injectors and it ran. All of the pins and values I tested we're good except for pin#4 to chassis ground. But still no communication with the ECU. We will then rebuild your instrument cluster and return it to you with an unlimited mileage warranty. The readings between 1.5 and 2.5 volts indicate normal. I will get delivery tomorrow,but there is small hope its will work. Module located at-> under battery Junction Box.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. Try to fix it by myself or scrap it. When unplugging the TCM which is a pain to get to. Alex.S They often have a troubleshooting and forum section dedicated to solving scan tool issues. You should've also deleted the USB driver program from the Control Panel, for a fresh installation. That is RIDICULOUS, Cheryl. Common fault codes: C1095 - Pump Motor Circuit Failure. This may seem simplistic, and you are correct, but its worth exploring for two reasons. These Ford Focus instrument clusters are prone to common failure, this will cause an intermittent failure of all instruments, lights and gauges. [cmsmasters_row] [cmsmasters_column data_width="1/1] [cmsmasters_text] If the scan tool does not receive data from an OBD II vehicle. If you dont have the VIN handy, click the vehicle tab, and you can search by year, model, and manufacturer. For a better experience, please enable JavaScript in your browser before proceeding. Place the negative probe on terminal 4 and the positive probe on the chassis ground and note the reading Repeat this for pin 5. 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. Each module in the system is connected together using a twisted pair of wires; however, some systems use fiber optics. Use the min-max voltmeter function to capture the max voltages and min voltages. The smart . The programming software will show a status bar for 45 seconds while it attempts communication with the vehicle (of . This site uses cookies to offer you a better browsing experience, by continuing to browse you agree to the use of cookies - find out more/change settings, Mon-Fri 9:00am-10:00pmInternational dial +44 1773 535638. Checked fuses and relais. The diagram, at left, reveals a problem with the network. You can disconnect the connector at the module as a test. Good luck, hard to say without codes or looking at the car. A blown fuse is often the cause of a scan tool that wont power up. Thank you Guys!!! I have Ford Focus 2005 LX petrol hatchback. 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 20 hours ago, Ford Owners Club In a workshop. P0100 is difficult to diagnose, even for an experienced automotive technician. Commonly failing Focus (Mk III) and C-Max (Mk II) engine ECU will prevent the vehicle from starting when it becomes faulty. 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. See checking the Controller diagram below. 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. Your vehicle will employ several. Started 22 hours ago, By Speedo is dissplaying dashes where the milage should be and the same warning light is flashing. 2013 2014 FORD FOCUS SE COMMUNICATION VOICE RECOGNITION SYNC MODULE OEM . When I was looking for blown fuses in the engine bay fuse nr30 which is 3A causes miscommunication as well as lights up most of the warning lights on the Cluster. 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. Then mechanic told he cannot connect to ECU. 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. So I bought new Diagnostic scan tool to make sure that there is linking error. The first two steps are about getting as much information as you can and eliminating possibilities. I went and picked it up and it wouldn't run and had to have it towed. Vehicle ignition should be turned on (Pos II). 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 failure happens while attempting to start the vehicle then it will prevent the engine from starting. 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. It can be found in the console storage compartment, cup holder, or other location depending on your vehicle. Your link has been automatically embedded. The instrument cluster needs programming regardless new or 2nd hand . Finally, hook up the scanner to the DLC, and observe the voltage reading on the DVOM. And always remember the network must be repaired FIRST. . Place the key in the backup slot . No crank no start status and No communication with PCM. This is a sophisticated system that only a computer can manage. 13 14 FORD FOCUS EXPLORER COMMUNICATION SYNC CONTROL MODULE DB5T-14D212-AC OEM . U0100 is a generic trouble code, which means it can be seen in various makes and models. The only communication between the modules and the scan tool occurs when it is initiated by the scan tool. 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. Remember, back probing terminals are advised unless you have fine non-invasive probes. Copyright 2023 ECU Testing LTD. All Rights Reserved. If all controllers talk at once, messages are lost. The contact owns a 2012 Ford Focus. Common fault codes are - P0607 & P2110. I even tried a different ECM with no change. The PCM (Powertrain controller manages engine and transmission) uses basic data like vehicle speed to perform timely fueling or gear change decisions. All modern vehicles, for example, will have an ABS brake system. data lines ohm ok, all powers and grounds ok, hold relay diode ok. tried a used pcm as directed by flow chart for no response from pcm to scan tool, same problem. 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! Your previous content has been restored. 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. 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. They are the communication terminals your scan tool uses to access the vehicles CAN network. That will damage them. Save my name, email, and website in this browser for the next time I comment. . Moisture caused by water leaks is a common cause of failure. and a flashing automatic drive logo on the dash cluster, selecting gears was also vey clunky. Started 27 minutes ago, By 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. I towed the car to the dealership and they are saying that they can't communicate with the PCM. For this test, well do what I said was rarely a good idea. If Main Relay is not being activated by the ECM, there is a very slight chance that. CAN networks communicate in a predictable square wave pattern? Common Ford Focus and C-Max ECU malfunction will . The commonly failing ABS module will cause a persistent ABS light, a constantly running motor, and the stored fault code Failure of the Ford Ranger ABS pump and module will result in a continuous ABS light, and the stored fault codes for C1095 - Pump Motor Circuit Failure, and 01276 - ABS Hydraulic Pump Fault Failure of the Ford Transit (Mk6) dashboard instrument cluster will cause loss of gauges, backlights and LCD screen functionality. With the battery disconnected (ground terminal). So i think the range sensor failed and confused the PCM. You have to disconnect the battery cables and hold them together to discharge the capacitors. AUTOMATIC. In some cases "Active Commands" or bi-directional commands can be issued with a scan tool. Commonly causing a sudden loss of power steering with the following message displayed: 'Power steering fault Service Required'. 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. Wiring issues are the easiest thing to diagnose at home. In many cases, this may require a bidirectional scan tool. Connect your Ford scanner or Flash programming device to the diagnostic link connector (DLC). Ok I bought an OBD2 breakout box to test the dlc connector values. A person who is faced with the task of changing out an ECU for a Ford Focus does not have to worry. This type of repeated activity will eventually cause scan tool pin wear or damage and spreading of the vehicles female OBD socket terminals. No communication to the ABS. (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. (if your unit turns out not to be faulty then we will refund your payment less a small testing fee and return shipping). 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