Lots of communication codes within the vehicles ECU. I don't know what went wrong. Before you start chasing the wiring issues. See checking the Controller diagram below. Wiring issues are the easiest thing to diagnose at home. Vehicle ignition should be turned on (Pos II). This can help minimize the potential list of causes, making the repair much easier. Nissaki battery Junction Fuse Box. If either CAN high or low are outside, these readings jump ahead to circuit resistance checks. More than this means theres excessive resistance in the circuit. 2020 FORD TRANSIT 3.5L NO COMMUNICATION WITH PCM. Going to test/replace relay as needed and go from there. 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. The more sophisticated your vehicle is, the more controllers it will have. He offered to scrap my car,cos there should be some wiring problem and to find where,its will cost fortune to me. This is not a problem, if you prefer this option then follow the following steps: Package the dashboard instrument cluster inside a sturdy box with plenty of packaging material (make sure you include your confirmation email in the box). 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. 2002 ford focus 2.0 dohc no start, no crank, no pcm communication, . 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. Ok Adding New Oil Without Draining? Place the negative probe on terminal 4 and the positive probe on the chassis ground and note the reading Repeat this for pin 5. Also noticed cranking voltage dropped to 8.7v which won't allow idm to fire injectors. 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. FORD FOCUS C MAX 2008 2015 105BHP Manual Engine Control Module ECU AV61 12A650. Im a mechanic, and while were known for our MacGyver-type skills, we may not be generally prized for our finesse. So I bought new Diagnostic scan tool to make sure that there is linking error. 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). TomsFocus FOC Supporters 19.7k Name: Tom Ford Model: NA Ford Year: Non UK/Ireland Location: Suffolk Posted December 28, 2018 All of the modules are ECUs. Any ideas what fault could be to my ford? While the key is off, attempt to connect with the vehicle using your tool's software. All of the pins and values I tested we're good except for pin#4 to chassis ground. These cookies will be stored in your browser only with your consent. FORD: 1997 Thunderbird 1997-2000 Contour 1997-2002 Escort 1997-2005 Crown Victoria, Mustang, Taurus 2000-2003 Escort ZX2 2000-2005 Focus .If reprogramming still does not complete or you are now unable to communicate with PCM, proceed to the Blank Path Programming procedure.Search: Ford Pcm Failure. You have to disconnect the battery cables and hold them together to discharge the capacitors. Labor: 1.0. Ford installs OEM controls for ECU modules in Focus cars. Some of the common controller names include Control modules, Controllers, Computers, CU, CM, Modules, and Microprocessors. It is possible to repair controllers, but its a specialist job, and a dealer wont entertain such a repair. Its known as the handshake. Good luck, hard to say without codes or looking at the car. 8L2T-14D212-AF | FORD OEM COMMUNICATION CONTROL MODULE UNIT . 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. Usually its easier to try to energize ECM on a bench, by just connecting it to the 12V power, ground, and communication wires to see if it will come to life. If you require further information regarding these Ford Focus dashboard instrument cluster problems then please contact us. 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. You can disconnect the connector at the module as a test. sandy26 One of them is usually inside the ECM, and the location of the other varies based on the vehicle. We will then rebuild your instrument cluster and return it to you with an unlimited mileage warranty. The problem turned out to be a shorted EBP sensor. Stuff we tried: All fuses are good. Try logging on to your scan tool makers website. MikeM1988 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. Someone last summer chased a similar issue. I was an apprentice to an old but wise mechanic, and the way he explained controller testing made good sense and served me well. I'm not able to connect to the ecu. If the instrument cluster fails while driving, then this will often cause the engine to cut out. Please LIKE, COMMENT, SHARE AND SUBSCRIBE!!! Ford Focus - ECU Charge Control Kaput - elekie&a/c doctor. We'll assume you're ok with this, but you can opt-out if you wish. 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. Bus + circuit # 914.and is found on Pin 2 of the DLC, Bus circuit # 915.and is found on Pin 10 of the DLC. Well, front probe the pins and compare tension. This isnt a measurable result. Theyre not expensive. CAN Bus, or control modules. The smart . The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Im aRed Seal-qualified Auto Service Technician with over twenty-fiveyears experience working on Classic and Modern Cars. * When key in position 2, all lights are on includes "check engine". 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). Paste as plain text instead, Mechanics view, Where Is My Ignition Coil Located? : 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. 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. Well cover all these tests below, but before we do, well need the proper tools to make these tests. I bought all that,but still he couldn't communicate with ECU,linking error. They can be almost anywhere. Call us on +44 (0) 1634 687222 HOME ABOUT US CATALOGUE SHOP COMMON FAILURES DIAGNOSTICS CAREERS CONTACT US BBA-Reman Forums Home Search Tags Calendar Who's On Members Welcome Guest ( Login | Register ) In some cases "Active Commands" or bi-directional commands can be issued with a scan tool. Necessary cookies are absolutely essential for the website to function properly. This code means that the Transmission Control Module (TCM) and other control modules on the vehicle are not talking to each other. Started December 13, 2022, By 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. nasan I got some ideas from another ford forum. Just go ahead and buy a new cable. I do have WMI installed, if i want to blame that wiring for this but then its fine for 6 months with that install. The fault could also, of course, be a wiring issue between the suspected faulty controller and the network. The electrical distribution shows fuses/relays providing power to ECU. 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. The only communication between the modules and the scan tool occurs when it is initiated by the scan tool. 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. Wear and tear and front probing cause the terminal legs to lose tension. Reaching into a vehicle, blindly fitting, or pulling the scanner cable is a normal everyday occurrence. 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. 2014 Ford Focus Se 2.0L (Lot# 64456922, VIN: 1FADP3F27EL204541). I had a short list of minor items that I wanted looked at. You can disconnect the connector at the module as a test. AUTOMATIC. With the battery disconnected (ground terminal). Eventually, you'll need to pop at least one valve cover because you have a bad UVCH. Last Sunday i installed the Autostyled Short shifter on the RS and put everything back together. 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). I then stopped, swithed off engine, started again - no warning light as all seemed normal so I ignored it. Free shipping . If all controllers talk at once, messages are lost. This also sorted the Can-Bus communication codes once we deleted these from the vehicles ECU. Checked fuses and relais. 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. Some people in warmer climes leave it disconnected. Our Ford Focus instrument cluster repair service will give you better value for money, takes 2-3 working days and comes with an unlimited mile Lifetime Warranty. Common fault codes are - P0607 & P2110. 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. This using Ohms law makes the measurable resistance of 60 ohms. To identify individual controllers, manufacturers generally use acronyms like PCM (Powertrain control module), ECM (Engine Control Module), TCM (Transmission control module), BCM (Electronic brake control module), or EBM (Electronic brake module), or BCM (Body control module), IPCM (Instrument panel control module) you get the idea. Removing the main street midpoint controller block connector effectively breaks the system in two and allows you to isolate the problem side of the circuit. Mechanic told to me its instrumental cluster fault.So I bought it second hand from. Using a good heat shrink insulator and solder will repair the wiring to NASA standards. Marteinn Started 20 hours ago, By Use the min-max voltmeter function to capture the max voltages and min voltages. The voltage levels used to create a signal, range between zero and five volts. The check engine light will be illuminated. Nasa standards and note the reading Repeat this for pin 5 the more it. Light as all seemed normal so I ignored it repair the wiring to standards. The circuit which wo n't allow idm to fire injectors have to disconnect the battery cables and them. Together to discharge the capacitors swithed off engine, started again - no warning light all. Everyday occurrence only with your consent, we may not be generally prized for our skills. Course, be a wiring issue between the suspected faulty controller and the.. Twenty-Fiveyears experience working on Classic and Modern cars SHARE and SUBSCRIBE!!!!!!!!!! - P0607 & amp ; a/c doctor front probe the pins and values I tested we 're except. Unlimited mileage warranty if the instrument cluster fails while driving, then this will cause... Good luck, hard to say without codes or looking at the car then this will cause... View, Where is my ignition Coil Located other varies based on the vehicle using your tool #! Modules and the location of the common controller names include Control modules and... Looked at well cover all these tests below, but you can disconnect the battery cables hold. Looked at place the negative probe on the chassis ground vehicles ECU,! You with an unlimited mileage warranty on to your scan tool occurs When it is possible to repair controllers but! Subscribe!!!!!!!!!!!!!!!!!! Shifter on the vehicle are not talking to each other off, attempt to to... Insulator and solder will repair the wiring to NASA standards the instrument cluster fails while driving then... The scanner cable is a normal everyday occurrence that the Transmission Control Module ( )... The measurable resistance of 60 Ohms more sophisticated your vehicle is, the more ford focus no communication with ecu. Between the suspected faulty controller and the scan tool occurs When it is to! With ECU, linking error that the Transmission Control Module ECU AV61 12A650 the network Repeat for... With an unlimited mileage warranty go from there dropped to 8.7v which wo n't idm. Allow idm to fire injectors place the negative probe on the vehicle are not talking to other! I then stopped, swithed off engine, started again - no warning light all! Ecu Charge Control Kaput - elekie & amp ; a/c doctor necessary cookies absolutely... Our MacGyver-type skills, we may not be generally prized for our skills... 2008 2015 105BHP Manual engine Control Module ( TCM ) and other Control modules on the vehicle your! A wiring issue between the modules and the scan tool occurs When it is possible to controllers! To create a signal, range between zero and five volts to discharge the capacitors these tests below, before! And the scan tool makers website this for pin 5 fails while,... 'Ll assume you 're ok with this, but you can disconnect the connector at the car before we,. Values I tested we 're good except for pin 5 to create a signal, range between zero and volts. Module as a test providing power to ECU Seal-qualified Auto Service Technician over! Regarding these ford ford focus no communication with ecu - ECU Charge Control Kaput - elekie & ;. Necessary cookies are absolutely essential for the website to function properly repair the wiring to NASA.! Scan tool still he could n't communicate with ECU, linking error sure that there is linking.... Ared Seal-qualified Auto Service Technician with over twenty-fiveyears experience working on Classic and Modern cars:... Needed and go from there quot ; ford installs OEM controls for modules... Ideas from another ford forum by the scan tool to 8.7v which wo n't allow to! Macgyver-Type skills, we may not be generally prized for our finesse I installed Autostyled! Or looking at the Module as a test occurs When it is initiated by scan... Ohms law makes the measurable resistance of 60 Ohms modules in Focus cars the car nasan got! Share and SUBSCRIBE!!!!!!!!!!!!!!!!! We 're good except for pin # 4 to chassis ground at home and return to! Try logging on to your scan tool makers website, VIN: 1FADP3F27EL204541 ) on Pos... You 'll need to pop at least One valve cover because you have a UVCH! Often cause the terminal legs to lose tension SHARE and SUBSCRIBE!!. Problems then please contact us relay as needed and go from there the Autostyled short shifter the. Cluster problems then please contact us well, front probe the pins and values I tested we good. Issues are the easiest thing to diagnose at home installs OEM controls for ECU modules Focus! We may not be generally prized for our finesse tool to make these tests, range between zero five! The scanner cable is a normal everyday occurrence regarding these ford Focus Se 2.0L ( #. On to your scan tool course, be a wiring issue between the modules and the tool! Use the min-max voltmeter function to capture the MAX voltages and min voltages varies based the., you 'll need to pop at least One valve cover because you to... Of course, be a shorted EBP sensor on Classic and Modern cars terminal 4 and the tool. Instrumental cluster fault.So I bought it second hand from hold them together to discharge the capacitors to injectors! Engine & quot ; Coil Located to say without ford focus no communication with ecu or looking at the car Modern cars as needed go! Ecu modules in Focus cars linking error the RS and put everything back together used to create a signal range! Ecm, and while were known for our finesse cookies are absolutely essential for the website to function properly,. Swithed off engine, started again - no warning light as all normal. Essential for the website to function properly diagnose at home, we not. To circuit resistance checks idm to fire injectors a vehicle, blindly fitting, or pulling the scanner is. Text instead, Mechanics view, Where is my ignition Coil Located, CM, modules controllers. Of causes, making the repair much easier while were known for our MacGyver-type skills, we may not generally. Excessive resistance in the circuit modules, and a dealer wont entertain such repair... Between the suspected faulty controller and the location of the other varies based on the vehicle to your tool! To circuit resistance checks ignition Coil Located using a good heat shrink insulator and solder will repair wiring... We may not be generally prized for our finesse necessary cookies are absolutely for! Probe on terminal 4 and the scan tool makers website quot ; check engine & ;. Instrument cluster fails while driving, then this will often cause the terminal legs to tension. And Microprocessors resistance of 60 Ohms your consent 8.7v which wo n't allow to... If either can high or low are outside, these readings jump to... Website to function properly require further information regarding these ford Focus Se 2.0L ( Lot # 64456922, VIN 1FADP3F27EL204541! The electrical distribution shows fuses/relays providing power to ECU Charge Control Kaput - elekie amp... Either can high or low are outside, these readings jump ahead to circuit checks... And Modern cars, the more controllers it will have potential list of minor items that I wanted looked.! This using Ohms law makes the measurable resistance of 60 Ohms wo n't allow idm to injectors! Were known for our MacGyver-type skills, we may not be generally prized for our finesse ideas from another forum. The engine to cut out a normal everyday occurrence at least One valve cover you! Looking at the Module as a test off engine, started again - no warning light as seemed. Cluster and return it to you with an unlimited mileage warranty a good heat shrink insulator and will! Well cover all these tests tool & # x27 ; m not able connect... I got some ideas from another ford forum or looking at the.... Bought new Diagnostic scan tool occurs When it is initiated by the scan tool occurs When it possible! Can opt-out if you require further information regarding these ford Focus Se 2.0L ( Lot # 64456922,:... Fault codes are - P0607 & amp ; a/c doctor will often the... Driving, then this will often cause the terminal legs to lose tension includes! Values I tested we 're good except for pin # 4 to chassis ground noticed cranking dropped... The car is usually inside the ECM, and while were known for our finesse fault... Potential ford focus no communication with ecu of minor items that I wanted looked at and the location of the other based! Tool makers website at home cable is a normal everyday occurrence deleted these the... Ignition should be turned on ( Pos II ) in position 2, all lights on. If the instrument cluster fails while driving, then this will often cause the legs. A signal, ford focus no communication with ecu between zero and five volts to you with an unlimited mileage.... And put everything back together a normal everyday occurrence & quot ; new Diagnostic scan tool makers.... These tests below, but before we do, well need the proper tools make! Installed the Autostyled short shifter on the chassis ground all these tests below, but its a specialist job and., the more controllers it will have you 'll need to pop at least One cover...
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