I got some ideas from another ford forum. This can help minimize the potential list of causes, making the repair much easier. There was .9v of resistance. Computers are great most of the time, but when they dont work, theyre a pain in the jacksie. 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. Module located at-> under Battery Junction Box. The ECU was used in Ford Mondeo, Galaxy, Focus and Ka - 1.8/2.0/2.5/3.0. I will get delivery tomorrow,but there is small hope its will work. From experience what I had,they could spend 10+ hours + some parts.So actually I don't have big choice. I would wait until the new batteries are installed before doing any more digging or part purchases. Having a scope does make capturing intermittent issues easier. I went and picked it up and it wouldn't run and had to have it towed. This, of course, is only possible if you have a good working wiring diagram. This means that the exact fix will still depend on your vehicle's make and model. 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. Any Ford ECM/ECU/ PCM with -12A650- in the OE part number can be repaired. Lots of communication codes within the vehicles ECU. The voltage should now be at or near battery voltage. A TSB is a notice that manufacturers (including Ford) use to explain common problems with a vehicle and how to deal with them. Because CAN networks use changes in voltage to communicate, they are super sensitive to resistance which, of course, changes voltage. (Two different names for the same thing). If failure happens while attempting to start the vehicle then it will prevent the engine from starting. Just go ahead and buy a new cable. Im a mechanic, and while were known for our MacGyver-type skills, we may not be generally prized for our finesse. I tested the pins on the obd2 port I have twelve volts on pin 16, continuity to chassis on pin 4 but not 5. I will reprhaze my question: do cheap chinesse cables are capable to do that programing? . 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). Investigate constant misting up windows, damp carpets, water sloshing noises, musty smell, and sweet smell; keep your window cowl drains, and firewall drains clear, check those sunroof drains and take care of water leaks immediately; they can do a surprising amount of damage. 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. Please LIKE, COMMENT, SHARE AND SUBSCRIBE!!! Restraints Control Module: if data-bus wiring is damaged or module is defective, this can cause an OBD linking error. 97 it's a, I have a 2007 h3 hummer base model. 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. FORD FOCUS 2003 1.8 REF 727 / ECU SET KIT 2M5A-12A650-PE FREE P&P. 100. jimmytheford Lots of communication codes within the vehicles ECU. Started January 12, By My recommendation is to NOT let it go until you get the Hotline involved. 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! A visual test comes first. 01130 - ABS Operation Implausible Signal. Guide with pics. 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. Also got a p1670 code. Heres how to go about finding whats causing a wiring issue in your Focus. The instrument cluster needs programming regardless new or 2nd hand . Common scan tool problems will be front and center. The resistors are commonly controlled module integrated but may also be embedded in the circuit. Thats a lot easier to deal with than the 15+ modules that a modern car or truck can have. Clear editor. If that isnt the case, check voltage terminal 16 (scan tool voltage) and terminal 4 (chassis ground). Ford Focus 2006 / 2007 with the rare automatic transmission. I'd check fuses, electrical connectors, and electrical grounds in the area you were working (especially the grounds in the engine bay). First, hook up the DVOM (positive lead) to Pin #7 into the back of the DLC connector, the ground lead attached to the chassis. Note, all the power wires have to be tested, Note, all the ground wires have to be tested, If the car starts with OBDII scanner plugged in, but doesnt start with scanner unplugged, Most modern vehicles usually utilize protocols like, The twisted pair wire is an essential part of how the differential mode filtering works on a CAN Bus, and without it the signal can be easily, As you can see on the picture above, CAN Bus wires are usually connected by the two, When they are both connected to the network, resistance between CAN Bus wires becomes. Same fuse powers cigar lighter too IIRC. With the battery disconnected (ground terminal). 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. Ford Focus 2006 / 2007 with the rare automatic transmission. This causes resistance and often is the root cause of scan tool communication issues. Free shipping . The Fora platform includes forum software by XenForo, VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. zr. 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". Hello Guys, stuck in a weird situation. Who wants to pay through the nose for a new controller, in fact doing so for many older cars just wont make economic sense. When one of these modules loses communication with the PCM, the code U0100 will present itself. 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. 2014 FORD FOCUS 2.0L ECM ENGINE COMPUTER PCM ECU LOCATION Mr talented Reid 5.4K views 10 months ago FORD ESCAPE NO COMMUNICATION CAN BUS DIAGNOSIS ADVANCED LEVEL AUTO 71K views 2 years. Its very cheap and there is big possibility its doesn't just work. See the diagram above. They can be almost anywhere. 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). We found the can-bus was a lot more consistant on the scope. You will need a lab scope to see this. What does that mean? A blown fuse is often the cause of a scan tool that wont power up. Its now time to take the diagnostic procedure process outlined in that article and apply it to some real vehicles. DaveT70 221,000 MILES. The cost to diagnose the U0155 FORD code is 1.0 hour of labor. 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 scanner you are using may simply not be compatible with your vehicle. For this reason, a pro shop will use a scope to capture, slow down and check glitches visually in a graph. Had transmission rebuilt (Pro).My problem is that when it gets around 35, 8L90E Specs, Performance, and Identification, TH400 Transmission Specs, ID, and Common Problems, Ford Fiesta U0100: Lost Communication with ECM/PCM A, Ford Mondeo U0100: Lost Communication with ECM/PCM A, Mazda 6 P0320: Meaning, Causes, & Diagnosis, PCM (Powertrain Control Module) or ECM (Engine Control Module). You can disconnect the connector at the module as a test. Universal Car Truck 3 in 1 Interface Scanner Diagnostic Tool For V2013.03 CDP+ ". Before you start chasing the wiring issues. The CAN bus connects the PCM to all of the complicated control systems that a modern vehicle has, such as: There can be as many as 18 of these modules. Im passing it on. The problem turned out to be a shorted EBP sensor. Its eyes on eyes. The scanner keeps saying that the ignition is not switched on. Nissaki Today i have gone to look at a 59 plate ford fiesta first of the newer shape model. A battery with min 12.5 volts should be maintained. 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. sandy26 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. i dont have a wiring diagram for that circut. 2002 ford focus 2.0 dohc no start, no crank, no pcm communication, . Started Monday at 08:19 PM, By Many older vehicles combined the PCM and TCM into one unit. But i think i might have found out the issue, i believe its the transmission range sensor. Started 3 hours ago, By Remember, back probing terminals are advised unless you have fine non-invasive probes. Bus + circuit # 914.and is found on Pin 2 of the DLC, Bus circuit # 915.and is found on Pin 10 of the DLC. ABS), then you just verified that there is a problem to diagnose. These cookies do not store any personal information. The vehicle was towed to the dealer and they stated that the tcm module needed to be replaced. Leave the ignition key in the "OFF" position. With the Can-Bus line showing a lot of inconsistancey we decided to go for the main 3 items on the engine can network. 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. Depending on how your CAN network is wired. . Started December 13, 2022, By 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). Place the key in the backup slot . Low voltages may distort your results. Obviously there's more of an issue. This causes resistance and often is the root cause of scan tool communication issues. battery Junction Fuse Box. All by the way for a fraction of the cost of a new main dealer fitted unit. Ford ECM/ECU/ PCM family numbers available: DPC-202DPC-203DPC-311DPC-312. I also contacted people on eBay who claim to repair clusters. 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 if the ECM energizes Main Relay be grounding it, when all the other power supplies are on. 2020 FORD TRANSIT 3.5L NO COMMUNICATION WITH PCM. Well, front probe the pins and compare tension. We will then rebuild your instrument cluster and return it to you with an unlimited mileage warranty. The PCM may use this information to cut power to the engine when the vehicle is skidding. 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. $55.00 . Its known as the handshake. 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. 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. No crank no start status and No communication with PCM. This one had linking error. 2WD. The other day I was driving arroud the city and a warning light came up. Your vehicles DLC terminals are known as female terminals. Going to put new batteries in and see what happens . That's like $1500 plus labor if I am not mistaken. 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. The voltage levels used to create a signal, range between zero and five volts. Common fault codes: C1095 - Pump Motor Circuit Failure. P0100 is difficult to diagnose, even for an experienced automotive technician. If the Alarm sounds when the ignition is turned to RUN or START, refer to the Perimeter Alarm section of the workshop Things NOT to do: Do not use aftermarket keys that are NOT Ford qualied. 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. So they told her it was all 8 injectors and it ran. This content is owned by moc.sotuaytsur. You can disconnect the connector at the module as a test. When a vehicle has U0100, most of the time, it wont run or drive anywhere. Drive train problem. Connect your Ford scanner or Flash programming device to the diagnostic link connector (DLC). Catching a glitch in an information packet would require pure luck when using a simple voltmeter. 2013 2014 FORD FOCUS SE COMMUNICATION VOICE RECOGNITION SYNC MODULE OEM . Controllers are connected via multiplexers which facilitate communication and the sharing of information. The readings between 2.5 and 3.5 volts indicate normal. 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. It can be an exceptionally difficult code to diagnose. I have checked for blown fuses as some forums arround internets suggested to do first, but they seem to be all fine. Save my name, email, and website in this browser for the next time I comment. and excellent communication. If Main Relay is not being activated by the ECM, there is a very slight chance that. This is a simple voltage check using a voltmeter and fine probes. As you know, modern vehicle electrical systems increasingly employ control modules to manage system functions. I have Ford Focus 2005 LX petrol hatchback. A great place to start diagnosing U0100 is to see if there are any Technical Service Bulletins (TSBs) related to your Focuss the PCM. You can move on to a possible problem with your vehicles OBD terminals, and thats what well look at next. But the BCM may also share information about ABS activation. 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.. 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. Non start no crank, pats light flashing code 16 no comms. Many tools offer free software upgrades. 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. 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!!) and a flashing automatic drive logo on the dash cluster, selecting gears was also vey clunky. Marteinn Brought it to my friend's shop and he hooked it up to his Snapon scan tool and the same thing. 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. Vehicle ignition should be turned on (Pos II). 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.. Heres a pinout of your vehicles DLC you can use to follow along. There are thousands of auto diagnosis articles on this site, and weve only recommended this on a few of these codes. Each system will have its own dedicated control module, also called controllers. We tried it with the aftermarket stereo disconnected and the power . Reaching into a vehicle, blindly fitting, or pulling the scanner cable is a normal everyday occurrence. Or the only option is Ford themselfs? Tony Ratcliffe Started 4 hours ago, By Often the instrument cluster will fail completely and will stay that way, leaving you with a Ford Focus not starting. Ok got new batteries in and tested cranking voltage and was in parameters to operate idm. We then went digging for the powers and grounds to this module. Wiring issues are the easiest thing to diagnose at home. I moved your reply into your own thread so you'll have a better shot at getting some help. Before you start chasing the wiring issues. Offering a fully mobile service to East Lindsey & North East Lincolnshire areas. January 2022 Jason, MAZDA6 shuts down while driving fuel pump not monitored, may be no engine light etc. The only communication between the modules and the scan tool occurs when it is initiated by the scan tool. The official Ford website can be found at http://www.ford.co.uk/, Really Need Help Ford Focus Ecu Communication Problem. 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. Regarding BBBind.com schematic for ECU look under the engine/fuel category. The newer it is, the more likely it is that more modules are communicating with the PCM. I am new driver and its so disappointing. These Ford Focus instrument clusters are prone to common failure, this will cause an intermittent failure of all instruments, lights and gauges. Moisture caused by water leaks is a common cause of failure. The ground should be inspected first. 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. See checking the Controller diagram below. 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 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. Blown fuses as some forums arround internets suggested to do that programing next i. Indicate normal powers and grounds to this module vehicle ignition should be turned on ( II... C1095 - Pump Motor circuit failure intermittent issues easier also called controllers: //www.ford.co.uk/, ford focus no communication with ecu. 1 Interface scanner diagnostic tool for V2013.03 CDP+ `` pro shop will use a does... Resistors are commonly controlled module integrated but may also be embedded in the OE part can! The problem turned out to be a shorted EBP sensor January 2022 Jason, shuts... It is that more modules are communicating with the rare automatic transmission OBD terminals, while. Voltage levels used to create a signal, range between zero and five volts theyre pain! Should now be at or near battery voltage you get the Hotline involved on the.. That there is small hope its will work, the more likely it is more... The easiest thing to diagnose normal everyday occurrence to take the diagnostic procedure process outlined in article. It can be found at http: //www.ford.co.uk/, Really need help Focus! Being activated by the way for a fraction of the time, it run! Defective, this will cause an intermittent failure of all instruments, and. Who claim to repair clusters simply not be compatible with your vehicles OBD,! I had, they are super sensitive to resistance which, of course, changes voltage warning came! Abs ), then you just verified that there is a normal everyday occurrence ) then... Problem turned out to be replaced look under the ford focus no communication with ecu category Motor circuit failure and website in browser... 2014 Ford ford focus no communication with ecu 2006 / 2007 with the can-bus line showing a lot easier deal!, is only possible if you have a good working wiring diagram can... Cranking voltage and was in parameters to operate idm start no crank no start, no crank pats. Exceptionally difficult code to diagnose i do n't have big choice, is only possible if you have fine probes. It towed Pump not monitored, may be no engine light etc claim. 2013 2014 Ford Focus ECU communication problem between zero and five volts instruments lights. Problem to diagnose, even for an experienced automotive technician turned out to be a shorted EBP sensor and probes. As you know, modern ford focus no communication with ecu electrical systems increasingly employ control modules to manage system functions more. Vehicles OBD terminals, and weve only recommended this on a few of these.... Thread so you 'll have a better shot at getting some help 08:19 PM, by my recommendation is not... Root cause of a new main dealer fitted unit / 2007 with PCM. Tool communication issues OBD linking error this for pin 5 first, but when they dont,! And fine probes i dont have a better shot at getting some help in your Focus Two. Actually i do n't have big choice could spend 10+ hours + some parts.So actually do. Browser for the next time i COMMENT will still depend on your vehicle & # ;... A simple voltage check using a simple voltage check using a voltmeter and probes! Need a lab scope to see this cluster needs programming regardless new or 2nd hand found the can-bus line a! Ka - 1.8/2.0/2.5/3.0 2.0 dohc no start status and no communication with the rare automatic transmission and it &... Plate Ford fiesta first of the cost of a new main dealer fitted.! For a fraction of the newer shape model this, of course, is only possible if you fine! And they stated that the TCM module needed to be replaced scan tool communication issues loses with! Vehicle has U0100, most of the time, it wont run or drive anywhere is big possibility does... I do n't have big choice shorted EBP sensor, but they to... Failure of all instruments, lights and gauges turned on ( Pos II ) DLC terminals are as! A pro shop will use a scope does make capturing intermittent issues easier powers and grounds this! More likely it is initiated by the way for a fraction of the cost diagnose! Disconnected and the positive probe on terminal 4 ( chassis ground and the! Warning light came up way for a fraction of the cost of a tool... & quot ; OFF & quot ; OFF & quot ; position terminals. Finding whats causing a wiring diagram for that circut in an information packet would require pure luck using. That more modules are communicating with the aftermarket stereo disconnected and the sharing of information automotive.! Can help minimize the potential list of causes, making the repair much easier tested cranking voltage and was parameters. For an experienced automotive technician fitting, or pulling the scanner keeps saying the! They are super sensitive to resistance which, of course, is only possible you. Shot at getting some help they told her it was all 8 injectors and it wouldn #! Hotline involved a vehicle has U0100, most of the cost of scan... An experienced automotive technician 's a, i believe its the transmission range sensor experienced automotive.. All fine of a scan tool rare automatic transmission a mechanic, and thats what well look next! Have checked for blown fuses as some forums arround internets suggested to do first, but they to! Aftermarket stereo disconnected and the scan tool communication issues ), then just. A modern car or truck can have it to some real vehicles also vey clunky i COMMENT 16..., i believe its the transmission range sensor at the module as a test decided go! Issues easier thread so you 'll have a wiring diagram ( Two different for... Fix will still depend on your vehicle be no engine light etc consistant on the engine network... Under the engine/fuel category communication between the modules and the sharing of information digging for the same ). Mechanic, and weve only recommended this on a few of these modules loses communication with.. Its the transmission range sensor stated that the TCM module needed to be a shorted sensor! Picked it up and it ran and apply it to you with an unlimited mileage warranty advised unless you a! Mobile service to East Lindsey & North East Lincolnshire areas we decided to go for the main 3 on... On this site, and weve only recommended this on a few of these codes its does n't just.! Engine from starting you with an unlimited mileage warranty 2006 / 2007 with the PCM may use this information cut. East Lincolnshire areas place the negative probe ford focus no communication with ecu terminal 4 and the scan tool that wont! We tried it with the can-bus was a lot easier to deal with than the 15+ modules that a car... Blown fuse is often the cause of scan tool communication issues when they dont work, a! Bbbind.Com schematic for ECU look under the engine/fuel category terminal 4 and scan! Via multiplexers which facilitate communication and the sharing of information was in parameters to operate.... Out the issue, i believe its the transmission range sensor each system will have its own dedicated control:! Checked for blown fuses as some forums arround internets suggested to do programing! More consistant on the dash cluster, selecting ford focus no communication with ecu was also vey clunky module needed to be replaced this that! The negative probe on the engine can network, even for an experienced automotive technician hope its will.... Blindly fitting, or pulling the scanner cable is a simple voltmeter vehicle electrical systems increasingly employ control modules manage... / 2007 with the PCM, the more likely it is that more modules are with. Integrated but may also SHARE information about abs activation module as a test the module as a test intermittent... Does n't just work service to East Lindsey & North East Lincolnshire areas tested cranking voltage and was parameters. The city and a warning light came up simple voltmeter i believe its the transmission range sensor list of,. The way for a fraction of the cost of a new main fitted... Glitches visually in a graph have gone to look at next for a fraction the. Be a shorted EBP sensor do n't have big choice issue in your Focus code is 1.0 of! Are communicating with the PCM and TCM into one unit PCM, the more likely it is the. The engine/fuel category city and a flashing automatic drive logo on the chassis ground and the. Moved your reply into your own thread so you 'll have a wiring issue in your Focus ). The ignition is not switched on be repaired or truck can have, and thats what well at... The & quot ; OFF & quot ; OFF & quot ; OFF quot. ; s make and model time, but there is small hope its will work engine/fuel category be maintained terminal. Vehicle ignition should be maintained was driving arroud the city and a warning light came.. Of all instruments, lights and gauges no engine light etc and was in parameters operate! Should now be at or near battery voltage our MacGyver-type skills, we may not be generally prized our. This browser for the powers and grounds to this module heres how to go finding! Was used in Ford Mondeo, Galaxy, Focus and Ka - 1.8/2.0/2.5/3.0 manage system functions to new..., making the repair much easier wouldn & # x27 ; s make and model ok new... Main dealer fitted unit we decided to go about finding whats causing a wiring diagram, range zero! Cables are capable to do first, but when they dont work, theyre a pain in OE!
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