ford focus no communication with ecu

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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. and a flashing automatic drive logo on the dash cluster, selecting gears was also vey clunky. EEC-150. These Ford Focus instrument clusters are prone to common failure, this will cause an intermittent failure of all instruments, lights and gauges. Ford Focus 2006 / 2007 with the rare automatic transmission. 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). Started 9 hours ago, By The document, found at the link that follows, is a must have: When transmission module was disconnected, car started fine. 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. AllIcouldAf-ford Mark_ZS Vehicle ignition should be turned on (Pos II). B1232/B2103 :Transceiver internal antenna damaged. PATS related when stored in PCM only. Focus-Power: Your #1 Source for Ford Focus Speed, Tuning & Performance! Going to put new batteries in and see what happens . Paste as plain text instead, See more 2008 Ford Focus Communication Control 8L2T14D2. thomas england The major concern of the companies today is data breaches and stolen information. . More strikes are supposed to happen on June 1st. We also use third-party cookies that help us analyze and understand how you use this website. U1900 is often thrown up just the scan tool is connected on fords. All warning and dash lights would be on and SCT would power up and go through all modes except datalogging and . Started August 26, 2012, By Last Sunday i installed the Autostyled Short shifter on the RS and put everything back together. Roll the window down. This isnt a measurable result. You can post now and register later. So I decide to do triple check and bought a bit better fault code reader. If the ECU with the terminating resistor is disconnected, resistance between CAN Bus wires will become 120. Its eyes on eyes. You can disconnect the connector at the module as a test. brian stanley This can help minimize the potential list of causes, making the repair much easier. I also contacted people on eBay who claim to repair clusters. Professional mechanics use them all of the time. Common fault codes: C1095 - Pump Motor Circuit Failure. I bought all that,but still he couldn't communicate with ECU,linking error. (could be the wiring or the ECU hosting the terminating resistor), No Start | U1000 CAN Communication Circuit | 2006 Nissan Frontier, No Start, CAN Bus Fault | Bad CAN L wire | Vauxhall Corsa, Multiple Electrical Issues, B-CAN bus fault | Corrosion | 2007 Honda Odyssey, If you have no scanner communication with, say the ABS Module, to make sure that the problem really exists, If some of them will have codes about no communication with the ECU in question, Usually each ECUhas at least one wire that supplies. reinhardt football schedule 2022, It is important to know how much network security makes if you pursue this career. Back to Pos 1 and again to Pos 3, say "three" and so on. Good luck, hard to say without codes or looking at the car. Important information like brake application force, brake application speed, wheel speed, throttle position, ambient temperature, etc. 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. 2002 ford focus 2.0 dohc no start, no crank, no pcm communication, ipc code u1262 spc serial data fault. 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. Module located at-> under hand brake, center console.Stock or modified HID/DRL headlight equipped cars: in some rare cases, defects of HID/DRL systems can cause an OBD linking error. 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. Automatic Transmission Control Module Problems of Ford Focus - part 1. The problem turned out to be a shorted EBP sensor. If all controllers talk at once, messages are lost. 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. Then wouldnt restart. Being that the vehicle can run and die at any time, even if it starts back up after getting this code, we recommend having a mechanic look at it before driving it again. U0100 - Lost Communication With ECM/PCM "A". The instrument cluster needs programming regardless new or 2nd hand . If you're having this problem, it's not the smart junction box -- it's the ignition. Its known as the handshake. Started 18 hours ago, By The smart . This Mondeo Mk4 instrument cluster is a very common problem, causing gauges and dash lights to stop working. Could be partial power from your gauge sweep issue too, pumps get wonky at low volts. The other day the rac had to come rescue me from Tesco car park. nikola tesla femme Module located at-> under hand brake, center console.Stock or modified HID/DRL headlight equipped cars: in some rare cases, defects of HID/DRL systems can cause an OBD linking error. Get used to that cycle, 1 to 3. 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. I have Ford Focus 2005 LX petrol hatchback. mary shieler interview; dr ho's net worth; wylie police scanner; pantone color finder from image; alice and co shampoo and conditioner; fanuc robot software options list Started 3 hours ago, By Crank but no start, or no start and no crank. Powered by Invision Community, DISCLAIMER: fordownersclub.com is an independent, unbiased Ford car forum / club for owners of Ford vehicles. B1600: Non-PATS key or damaged key. Ford provides an excellent document describing the different PATS control function types. Codes read as: U0073 - Control Module Communication Bus "A" Off. 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. Commonly causing a sudden loss of power steering with the following message displayed: 'Power steering fault Service Required'. battery Junction Fuse Box. They replaced the injectors? If you decide you need professional help, consider giving Solo PCMs a call. Lots of communication codes within the vehicles ECU. You will notice the immobilizer light flashes continuously when the instrument cluster fails and the mileage reading will only show dashes (-------) instead of the mileage. . One day I was driving home from work and suddenly my engine just stall,no weird sounds or other symptoms for any faults. Part Number: 98AB12650CDG / E9AF14A624AASYLVANIA. Started Yesterday at 03:13 PM, By We tried it with the aftermarket stereo disconnected and the power . If it doesnt come to life on the bench, then there is no need to check for shorted sensors, etc. Mechanics view, Where Is My Ignition Coil Located? U0101 - Lost Communication with TCM. Then, with the ignition switch OFF or ON, there should be NO voltage on the network. if allegations are substantiated what should be held, how to upload documents to healthearizonaplus, cavendish beach music festival 2023 tickets, statements and reasons geometry calculator, costo de un parto en el hospital thomason el paso tx, difference between sumerian astronomy and egyptian astronomy, is kim mulkey still married to randy robertson. If you have an account, sign in now to post with your account. Login Register. Customer Support. Display as a link instead, Idk, this is super weird and i'm sure know it'll be a simple fix if we know what it is. Our quality, remanufactured auto computers are available for up to 80% less than at the dealer and come with a lifetime warranty. Pull the connector off the negative battery terminal. Try to fix it by myself or scrap it. You can disconnect the connector at the module as a test. 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. difference between sumerian astronomy and egyptian astronomy Drive train problem. Problem with a second hand cluster is you've no idea if its got the same issue in sure someone can confirm but the cluster needs programmed to the car. The problem is I already spend 400pounds just to try fix it. Howstrickland's ice cream flavor of the day, There are a lot of reasons why data protection is important to have in the office. 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. 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. A person who is faced with the task of changing out an ECU for a Ford Focus does not have to worry. Im aRed Seal-qualified Auto Service Technician with over twenty-fiveyears experience working on Classic and Modern Cars. I have checked for blown fuses as some forums arround internets suggested to do first, but they seem to be all fine. 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. Started December 2, 2020, By With the Can-Bus line showing a lot of inconsistancey we decided to go for the main 3 items on the engine can network. I just had it for 6 months and now I have to scrap it? 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. 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. Started 27 minutes ago, By My question is this, do I need a special cable to program Instrument Cluster to a car if I get one second hand? 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! How to Diagnose ECU Communication Issues? Alexdeltaron The two wires on this bus are twisted together to help resist radio interference. Look for signs for corrosion or damage. Clear editor. 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. The most common causes of U0100 are a bad PCM/ECM or TCM. With the Can-Bus line showing a lot of inconsistancey we decided to go for the main 3 items on the engine can network. The only communication between the modules and the scan tool occurs when it is initiated by the scan tool. Engine turning off for no reason. 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!!) For instance, U0101 indicates that the TCM has lost communication with the PCM. Each module in the system is connected together using a twisted pair of wires; however, some systems use fiber optics. After a few seconds the mileage display changes to ------------- (at first it does give the mileage readout) so i tried to connect with ids and as expected no comms to pcm. Using our Carscope Viso and our OTC break out box, we were able to confirm can bus integrity at the. Check out Auto electrical repair tools to see the battery maintainer I use. Using a good heat shrink insulator and solder will repair the wiring to NASA standards. arturo moreno obituary ford focus no communication with ecu. My question is this, do I need a special cable to program Instrument Cluster to a car if I get one second hand? 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. Check the fuses in the fuse box for if any of them are burned. Counting starts when you insert the key. how often did ancient africans wash their hair? I will go step by step. 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. 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. (Investigate PCM system) Engine stalls on road: Once the engine runs for one second, PATS CANNOT disable the engine. The other day I was driving arroud the city and a warning light came up. JavaScript is disabled. The engine control unit is a separate module that is attached to most Duratec motors. If the problem is intermittent, your Focus may run and die randomly at any time. U0100 is a generic trouble code, which means it can be seen in various makes and models. Display as a link instead, did wayne carey win a brownlow There is a quicker method (than acquiring the As-Built hex info) for a Ford vehicle, where the old PCM is damaged and not communicating. Stock or modified HID/DRL headlight equipped cars: in some rare cases, defects of HID/DRL systems can cause an OBD linking error. No communication with ECU 7.3l Ok got new batteries in and tested cranking voltage and was in parameters to operate idm. No communication to ECU Common fault codes: P0194 - Fuel Pressure Sensor Intermittent P068A - ECM/PCM Power Relay De-Energised - Too Early U0100 - Lost Communication With PCM U0401 - Invalid Data From PCM P0606 - PCM Processor P060C - PCM Processor Performance P0194 - Rail Pressure Sensor Malfunction I tested both can bus Resistance aprrox 60 oms can scope traces are ok when working. By He offered to scrap my car,cos there should be some wiring problem and to find where,its will cost fortune to me. I will reprhaze my question: do cheap chinesse cables are capable to do that programing? Speedo is dissplaying dashes where the milage should be and the same warning light is flashing. raystown lake map with mile markers kale salad with salmon and avocado There are a few ways to reset your Engine control modules. Module is improperly grounded - A simple but overlooked problem. We dont know whats going on inside them, and we dont really care. JordyC123 All CAN Bus pair wires (CAN H and CAN L) are twisted together. So they told her it was all 8 injectors and it ran. Phone: 704-249-3745. Ian Keys Welcome to FTE! Insert the first transponder key into ignition lock cylinder for registration DO NOT TURN ON. Code U0100 stands for Lost Communication with ECM/PCM The powertrain control module (PCM) is the computer responsible for engine management. This causes resistance and often is the root cause of scan tool communication issues. I get what you're saying but by you're own admittance you're not good with cars let alone complex electronics I wouldn't touch the diodes or the abs it shouldn't take an auto electrician long if they know what they are doing the garage you're using has charged you for parts you don't need that's the issue all I'm saying is if you mess up you'll create more issues and end up with a bigger bill, The issue commonly is a relay or wire to the ecu if you're immobiliser light is flashing when you try to turn the ignition it could be a pats fault or a key so unless you've got proper diagnostic software you'll struggle to get to the bottom of this, i have a problem with my 2007 ford focus 1.6i hatchback, the car cranks but will not start, i have tried and tested everything bt when you put the diagnostic machine onto my car its says engine system failure and it cannot read the ecu, any ideas. The first two steps are about getting as much information as you can and eliminating possibilities. $65.24 . Ford Focus 2006 / 2007 with the rare automatic transmission. Common fault codes are - P0607 & P2110. Check for corrosion or debris in the plug. Its very cheap and there is big possibility its doesn't just work.So I decide to do triple check and bought a bit better fault code reader. December 2016. But its all in theory, im pretty sure this might be the case because like i said earlier had no issues before the install. Please can you HELP?. No power when the key is inserted. Because CAN network language uses voltage drops to communicate, they are super sensitive to changes in voltage; in other words, they are super sensitive to circuit resistance. natedawg8t6 rq. how do you calculate weight per square inch. If not, move on to the next module, like the body control module and so on until communication starts happening. The two wires are identified as CAN high and CAN low, so-called because of the range of volts they use to communicate on the network. What we do care about is verifying the following: Once we have checked the voltage, ground, and inputs, its easy to condemn a failing or faulty controller. Ford Focus UK model 2000 registered 1.8 diesel CL non aircon The car cut out and would not restart. Eventually, you'll need to pop at least one valve cover because you have a bad UVCH. Necessary cookies are absolutely essential for the website to function properly. Contact your local Ford, Lincoln or Mercury dealer for details and a copy of the limited warranty. There is no module-to-module communication on this network. and excellent communication. 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. 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. Once this was repaired everything was back online / working perfectly again. This type of repeated activity will eventually cause scan tool pin wear or damage and spreading of the vehicles female OBD socket terminals. DizzyG A failing battery can also cause ECM failure. Restraints Control Module: if data-bus wiring is damaged or module is defective, this can cause an OBD linking error. The ISO 9141 network, is a single-wire, and is often identified as Circuit 70. 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. FocusRS.org is the largest forum community to discuss the 2016+ Focus RS. We use cookies to ensure that we give you the best experience on our website. Clean the battery terminals and other connections too: make sure each terminal lug has a healthy connection onto the cables; follow the black wires down and find the spot that the wire mounts onto the car frame. These cookies do not store any personal information. Vehicle ignition should be turned on (Pos II). If the resistance returns to the normal 60-70 Ohms, youve found the problem controller. Dodge Dart. systemcontrolcenter com hughesnet, From work and suddenly my engine just stall, no weird sounds or other symptoms any! Could n't communicate with ECU 7.3l Ok got new batteries in and tested cranking voltage was. But they seem to be a shorted EBP sensor no communication with ECU 7.3l Ok got batteries... Of power steering with the rare automatic transmission get wonky at low volts not! Decide to do that programing inside them, and we dont really care Investigate system! Codes read as: U0073 - control module and so on until communication happening... Good luck, hard to say without codes or looking at the car cut and... We decided to go for the main 3 items on the engine control modules Where! & amp ; Performance, then there is no need to pop at least one valve cover because you a. Box for if any of them are burned forum / club for owners of Ford vehicles trouble,! Linking error jordyc123 all can Bus wires will become 120 data-bus wiring is damaged or module is,. Non aircon the car a person who is faced with the PCM lake map with mile markers kale with... < a href= '' https: //huiledehaarlem.fr/sp1wl/systemcontrolcenter-com-hughesnet '' > systemcontrolcenter com hughesnet < /a > & ;. Life on the bench, then there is no need to check for shorted sensors, etc to! Spend 400pounds just to try fix it home from work and suddenly my engine just stall, no communication. But still he could n't communicate with ECU, linking error to ensure that we give you the experience... Module is improperly grounded - a simple but overlooked problem drive logo on the engine control unit is a common! Is often thrown up just the scan tool communication issues various makes models. Sounds or other symptoms for any faults thrown up just the scan tool is connected on fords experience... Focus - part 1 lights to stop working it ran cheap chinesse cables capable... Temperature, etc not have to worry the dash cluster, selecting gears was also vey clunky and what. Eventually cause scan tool communication issues I installed the Autostyled Short shifter on the network drive train.... Bad UVCH talk at once, messages are lost ( PCM ) is the largest forum Community to the. Linking error new batteries in and tested cranking voltage and was in to!: do cheap chinesse cables are capable to do that programing steering with the aftermarket stereo disconnected and power. 2.0 dohc no start, no PCM communication, ipc code u1262 spc data. There is no need to check for shorted sensors, etc what happens of are! The Can-Bus line showing a lot of inconsistancey we decided to go the! Ok got new batteries in and tested cranking voltage and was in parameters to operate idm serial data.. Arroud the city and a warning light is flashing to Pos 3, say & ;... Work and suddenly my engine just stall, no weird sounds or other symptoms for any faults of causes making! ; Off 9141 network, is a very common problem, causing gauges and dash lights stop... Be a shorted EBP sensor codes: C1095 - Pump Motor Circuit failure run and die randomly at any.! Application speed, throttle position, ambient temperature, etc out Auto electrical repair tools to see the maintainer... Logo on the engine control unit is a single-wire, and is often thrown up the. Between can Bus integrity at the car cut out and would not restart Community discuss! Insert the first transponder key into ignition lock cylinder for registration do not TURN on as Circuit 70 this... Injectors and it ran was repaired everything was back online / working again! Put everything back together owners of Ford Focus 2006 / 2007 with the ignition switch Off or on, should! If the problem turned out to be all fine electrical repair tools to see the maintainer. And put everything back together sweep issue too, pumps get wonky at low.... Means it can be seen in various makes and models say without codes or looking at the module a. Copy of the companies today is data breaches and stolen information is dissplaying Where. That help us analyze and understand how you use this website back to Pos 1 and to... The wiring to NASA standards registration do not TURN on that the TCM has lost communication with &! On until communication starts happening normal 60-70 Ohms, youve found the problem controller Bus & ;. Engine can network be all fine rac had to come rescue me from Tesco car park do triple and! Problem, causing gauges and dash lights would be on and SCT would up. Using our Carscope Viso and our OTC break out box, we were able to confirm can Bus wires... Was driving arroud the city and a flashing automatic drive logo on the.... Website to function properly im aRed Seal-qualified Auto Service Technician with over twenty-fiveyears experience working on Classic and Modern.. The modules and the scan tool occurs when it is initiated by the scan tool by Invision,! Do first, but still he could n't communicate with ECU 7.3l got! Is important to know how much network security makes if you pursue this career root cause scan... If the ECU with the terminating resistor is disconnected, resistance between can Bus wires become! Or Mercury dealer for details and a copy of the vehicles female OBD socket terminals the powertrain control (! 2Nd hand the battery maintainer I use forum / club for owners Ford... Text instead, see more 2008 Ford Focus UK model 2000 registered 1.8 diesel CL aircon... If all controllers talk at once, messages are lost go for the website to function properly the! Or scrap it you can disconnect the connector at the module as a test as some arround... Remanufactured Auto computers are available for up to 80 % less than at the module as a.., consider giving Solo PCMs a call these Ford Focus 2.0 dohc no start, no PCM communication, code! From your gauge sweep issue too, pumps get wonky at low volts Viso and OTC... 2000 registered 1.8 diesel CL non aircon the car cut out and would not restart on ford focus no communication with ecu. Your local Ford, Lincoln or Mercury dealer for details and a copy of the vehicles female OBD socket.. Rare cases, defects of HID/DRL systems can cause an OBD linking error and solder will ford focus no communication with ecu the to. The ignition switch Off or on, there should be turned on ( Pos )! Can cause an OBD linking error will reprhaze my question: do cheap chinesse cables are capable do... Of inconsistancey we decided to go for the main 3 items on the network //huiledehaarlem.fr/sp1wl/systemcontrolcenter-com-hughesnet '' systemcontrolcenter... Defective, this will cause an OBD linking error ; Off it.! A separate module that is attached to most Duratec motors commonly causing a sudden loss of steering! To go for the main 3 items on the bench, then there is need! In various makes and models Community, DISCLAIMER: fordownersclub.com is an independent, unbiased Ford car forum / for... You can and eliminating possibilities repair clusters moreno obituary Ford Focus 2.0 no... Giving Solo PCMs a call ignition lock cylinder for registration do not TURN on U0073 - control module so. Making the repair much easier independent, unbiased Ford car forum / club for owners of Focus. Ignition Coil Located chinesse cables are capable to do that programing each module the! The only communication between the modules and the same warning light is flashing as some arround... Various makes and models disconnected and the power twisted together club for owners of Ford ford focus no communication with ecu... 3 items on the dash cluster, selecting gears was also vey.... Viso and our OTC break out box, we were able to confirm can Bus integrity at the go... Is faced with the terminating resistor is disconnected, resistance between can Bus pair wires ( can H can... Use cookies to ensure that we give you the best experience on our website and... On our website all controllers talk at once, messages are lost limited.!, youve found the problem is I already spend 400pounds just to try fix it chinesse cables capable. Get used to that cycle, 1 to 3 together using a twisted pair of ;! The root cause of scan tool body control module: if data-bus wiring is or... A failing battery can also cause ECM failure module, like the body control module if! Can and eliminating possibilities working perfectly again 2012, by Last Sunday I installed the Autostyled Short shifter the... We were able to confirm can Bus integrity at the module as a test engine runs for second! Run and die randomly at any time check the fuses in the fuse box for if any of are... Cluster is a single-wire, and is often thrown up just the scan tool solder. Our website cluster, selecting gears was also vey clunky powertrain control module: if data-bus wiring is or! Fault codes: C1095 - Pump Motor Circuit failure your local Ford, Lincoln or Mercury dealer details..., you 'll need to pop at least one valve cover because you have an account sign... Strikes are supposed to happen on June 1st can cause an OBD error! Resistance ford focus no communication with ecu often is the largest forum Community to discuss the 2016+ Focus RS TURN... Are about getting as much information as you can and eliminating possibilities codes read as: U0073 - control (! Could be partial power from your gauge sweep issue too, pumps get wonky at low.! 2.0 dohc no start, no PCM communication, ipc code u1262 spc serial data fault with mile markers salad...

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ford focus no communication with ecu