Necessary cookies are absolutely essential for the website to function properly. We test these units on a purpose build HIL (Hardware In-the-Loop) test rig that replicates all driving conditions, this allows us to replicate any fault described by the customer and eradicate Ford instrument cluster problems. RECALLS! Finding and fixing problems is straightforward once you have the power of knowledge. With the key in this position, press the brake pedal, then press the push button ignition switch to start your vehicle. Paste as plain text instead, This is a common problem for the Focus and C-Max, causes the ESP light to remain on the dash and the following fault code to be reported C1288 Pressure Transducer Main/Primary Circuit Failure. FocusRS.org is the largest forum community to discuss the 2016+ Focus RS. Next, well pin-drag test the terminals. Welcome to FTE! I had to save money for long time to buy this car. They, in turn, signal back so that all the controllers talk to each other. Noise from fuel tank may be telling you the pump is bad, they can be heard to spin up and still be bad, the difference is HOW they spin up, you listen for the subtle little difference that says it's not working like usual. 135. Stock ECU Programmed When Ford Motor . I never did the cable re adjustment when I installed my shift plate and curious if it could really cause an issue. But still no communication with the ECU. You will need a lab scope to see this. Checked fuses and relais. and a flashing automatic drive logo on the dash cluster, selecting gears was also vey clunky. These are on sale used here every day. See more 2008 Ford Focus Communication Control 8L2T14D2. Your link has been automatically embedded. This using Ohms law makes the measurable resistance of 60 ohms. '17 SG RS1 built 01.06.2017, sold 9.21.17, home 2.24.18. Having a scope does make capturing intermittent issues easier. The newer it is, the more likely it is that more modules are communicating with the PCM. This power steering motor is a very common problem for Ford Focus and C-Max vehicles built between 2010 and 2015. Then wouldnt restart. Also got a p1670 code. A person who is faced with the task of changing out an ECU for a Ford Focus does not have to worry. Once received, we will test your cluster and call you to advise on the outcome of testing, if your unit is faulty and you choose to go ahead with the rebuild then we will take payment over the phone using a debit/credit card. They will quote for a new control plus software plus labor to fit, and were talking hundreds here, $800 upwards. The voltage should now be at or near battery voltage. Well place a fine metal tool between the pins and feel the resistance when we remove it. They are twisted because that helps reduce interference from other wiring circuits. Professional mechanics use them all of the time. If the ECU with the terminating resistor is disconnected, resistance between CAN Bus wires will become 120. Then pull the battery for 30 minutes to reset everything. 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. But dont let any of this confuse you; they all just control modules. Clear editor. Car worked just fine, no limp mode or anything. Ford ECM/ECU/ PCM family numbers available: DPC-202DPC-203DPC-311DPC-312. Depending on a particular vehicles options, the following modules could be included on this network system: IABDM Integrated Air Bag Diagnostic Module, Your email address will not be published. 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. Controllers, therefore, share information. In many cases, this may require a bidirectional scan tool. The instrument cluster needs programming regardless new or 2nd hand . So they told her it was all 8 injectors and it ran. 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. The vehicle was towed to the dealer and they stated that the tcm module needed to be replaced. When one of these modules loses communication with the PCM, the code U0100 will present itself. 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. The PCM (Powertrain controller manages engine and transmission) uses basic data like vehicle speed to perform timely fueling or gear change decisions. If, on the other hand, resistance is lower or higher than expected but not open, then a faulty controller is a likely suspect. For a better experience, please enable JavaScript in your browser before proceeding. Turned out to be a vehicle speed sensor. brian stanley could the ecm be causing it. zr. That is a common issue most ford vehicles experience. Place the key in the backup slot . You can disconnect the HID/DRL connectors or fuses as a test.Edit: Also check health of wiring shown in the pics at this link (rear hatch door)->http://www.focusfanatics.com/forum/s09&postcount=5. 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. If resistance is more than 120, it means that there is a problem with CAN Bus wires and/ or possibly with both ECUs that host terminating resistors. The first is that if damage occurs to one wire, communication should continue between the modules, but diagnostics will likely be affected. The problem is I already spend 400pounds just to try fix it. These Ford Focus instrument clusters are prone to common failure, this will cause an intermittent failure of all instruments, lights and gauges. 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. Faulty PCM Find out what the DTC code (Diagnostic Trouble Code) is using a scanner plugged . i have the same problem on y 2007 ford focus, the car will crank but not start, it says engine systems fault, computer cannot read ecu, i have tried everything from testing the ecu, cluster, fuses, relays, reprogramming, coded keys, wiring but the car will not start, the diagnostic machine cannot read the computer on the car, no signal going thru, i was told to scrap the car or sell it as is, this will really really break my heart and shatter me into pieces, any ideas, The following tests arent complicated, and most of the checks are easy to do. These were the Engine ECU, TCM ( Transmission ) and the ABS module. This, of course, is only possible if you have a good working wiring diagram. ECU ECM No Communication FREE fix!! Powered by Invision Community, DISCLAIMER: fordownersclub.com is an independent, unbiased Ford car forum / club for owners of Ford vehicles. To diagnose this network, you will need a high-impedance DVOM and a scanner. 119.99. . Good luck, hard to say without codes or looking at the car. It can be an exceptionally difficult code to diagnose. 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. Marteinn 2014 Ford Focus Se 2.0L (Lot# 64456922, VIN: 1FADP3F27EL204541). No communication to the ABS. 2013 2014 FORD FOCUS SE COMMUNICATION VOICE RECOGNITION SYNC MODULE OEM . Same fuse powers cigar lighter too IIRC. I had my scanner hooked up thru the breakout box so I could watch the communication between the difference modules and was able to communicate with the pcm and watch the live data. Your previous content has been restored. Each controller has a set time to communicate. The first two steps are about getting as much information as you can and eliminating possibilities. Some of the common controller names include Control modules, Controllers, Computers, CU, CM, Modules, and Microprocessors. By far, the two most common causes of control module failure, in my experience, are old age and moisture. Could be partial power from your gauge sweep issue too, pumps get wonky at low volts. Wear and tear and front probing cause the terminal legs to lose tension. Some may be more challenging than others, not because of complexity but because some controllers may be difficult to access. Like i said i couldn't think of anything else that could've went wrong. Lots of communication codes within the vehicles ECU. Traction control light illuminated. Started July 8, 2022, By Stock or modified HID/DRL headlight equipped cars: in some rare cases, defects of HID/DRL systems can cause an OBD linking error. Ok I bought an OBD2 breakout box to test the dlc connector values. Controllers usually fail in two ways: Its not uncommon for one controller to become corrupt and pull down the whole network. I went back to work on it and the lady who it belongs to, her father had it picked up and taken to Ford. Thank you for your time! 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. ABS), then you just verified that there is a problem to diagnose. Thats a lot easier to deal with than the 15+ modules that a modern car or truck can have. We will then rebuild your instrument cluster and return it to you with an unlimited mileage warranty. We remanufacture electronic automotive parts. Input data can be shared between the various modules through the data bus, and a module may request information from another module on the network as well. As said at the beginning of this post, Ive assumed you have power in the scan tool, but it isnt communicating. U0100 will often appear with other control module-related codes. Theyre not expensive. We are compensated for referring traffic and business to Amazon and other companies linked to on this site. Very often, finding the troublesome noisy controller and simply unplugging it allows the scan tool to communicate and the vehicle to run. 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. . Module located at-> under Battery Junction Box.Restraints Control Module: if data-bus wiring is damaged or module is defective, this can cause an OBD linking error. Going to test/replace relay as needed and go from there. Modern vehicles typically use a few different types of communication systems depending on how important the message is. Common Ford Focus and C-Max ECU malfunction will . Check terminal 16 and terminal 5 (signal ground) also. The diagram, at left, reveals a problem with the network. 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. Controllers are connected via multiplexers which facilitate communication and the sharing of information. Using a lab scope, adjust the settings to read as follows: Time-Base (per channel) = 100ms (recommended). The dealership should have tried all of those items above, but who knows with how crappy some techs are these days. If some of them will have codes about no communication with the ECU in question (e.g. There are 16 pins. Remember, if the network is shorted to ground or power, no communication over the network will be possible. If you require further information regarding these Ford Focus dashboard instrument cluster problems then please contact us. 8L2T-14D212-AF | FORD OEM COMMUNICATION CONTROL MODULE UNIT . The readings between 2.5 and 3.5 volts indicate normal. 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. sandy26 I can help you Contact me PM Reply JustJames 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. This can help minimize the potential list of causes, making the repair much easier. Labor: 1.0. Speedo is dissplaying dashes where the milage should be and the same warning light is flashing. Do not place objects like a multimeter probe into the terminals. This means that the exact fix will still depend on your vehicle's make and model. This site is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. Garage charge 40 + per hour. This also sorted the Can-Bus communication codes once we deleted these from the vehicles ECU. The resistors are commonly controlled module integrated but may also be embedded in the circuit. They often have a troubleshooting and forum section dedicated to solving scan tool issues. 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! 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. Remember, back probing terminals are advised unless you have fine non-invasive probes. Required fields are marked *. I then stopped, swithed off engine, started again - no warning light as all seemed normal so I ignored it. Universal Car Truck 3 in 1 Interface Scanner Diagnostic Tool For V2013.03 CDP+ ". 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). Non start no crank, pats light flashing code 16 no comms. If you dont have the VIN handy, click the vehicle tab, and you can search by year, model, and manufacturer. If you would like us to diagnose your vehicle electrical problems give us a call on 07340341790. 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. We tried it with the aftermarket stereo disconnected and the power . There isnt a whole lot that someone who hasnt dealt with a code like this before can do. Obviously there's more of an issue. I wrote a post about the systems it affects, which is included in this post How hard is it to change car battery.. The PCM is the engine ECU. Lots of communication codes within the vehicles ECU. ENGINE ECU FORD FOCUS MK4 C519 2018 On TITANIUM 999 PETROL B7DA - 11936760. Read More S-Max & Galaxy diesel engine ECU fault Im aRed Seal-qualified Auto Service Technician with over twenty-fiveyears experience working on Classic and Modern Cars. Vehicle ignition should be turned on (Pos II). Its known as the handshake. Ok Adding New Oil Without Draining? I will go step by step. [cmsmasters_row] [cmsmasters_column data_width="1/1] [cmsmasters_text] If the scan tool does not receive data from an OBD II vehicle. Any ideas what fault could be to my ford? I will get delivery tomorrow,but there is small hope its will work. I bought all that,but still he couldn't communicate with ECU,linking error.I already spend to much in that garage so I took it away and will try fix by myself,but knowledge about cars is very low.So I bought new Diagnostic scan tool to make sure that there is linking error.http://www.ebay.co.uk/itm/CAN-BUS-OBitem48674ef736This one had linking error. 8.7 VDC is well below the minimum threshold (10.5 volts) to get anything to behave properly. Controllers are like black boxes. We also use third-party cookies that help us analyze and understand how you use this website. nasan Thank you guys so much for checking in here and trying to help, much appreciated. 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. Started 20 hours ago, By 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. Ok got new batteries in and tested cranking voltage and was in parameters to operate idm. Save my name, email, and website in this browser for the next time I comment. Check for corrosion or debris in the plug. By I tried disconnecting the battery but no luck. Bus + circuit # 914.and is found on Pin 2 of the DLC, Bus circuit # 915.and is found on Pin 10 of the DLC. They can be almost anywhere. Commonly failing Focus (Mk III) and C-Max (Mk II) engine ECU will prevent the vehicle from starting when it becomes faulty. 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. This ECU is a common failureespeciallyfor 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. Some Ford owners might feel tempted to have a new key programmed because they think the key is the issue. If you have an account, sign in now to post with your account. Both tests should read less than .2 volts. Thats important to know for later when well be testing circuit resistance. Check the cable itself for damage, and check the plug at the scanner too. While the key is off, attempt to connect with the vehicle using your tool's software. Upload or insert images from URL. Started Monday at 08:19 PM, By Because thrills like these dont happen often. Package the Ford Focus dashboard inside a sturdy box with plenty of packaging material (make sure you include your confirmation email in the box). 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. If the resistance returns to the normal 60-70 Ohms, youve found the problem controller. The contact owns a 2012 Ford Focus. JavaScript is disabled. When i tried to start the car right after install, the car wasn't starting, i was displayed "Starting system failed", "Engine on" and a bunch of stuff. By January 2022 Jason, MAZDA6 shuts down while driving fuel pump not monitored, may be no engine light etc. We have very precise tools for this job, but you can still nail this test by improvising a fine paper clip or such. Per channel ) = 100ms ( recommended ) far, the more likely it is that modules. Much for checking in here and trying to help, much appreciated is an independent, Ford... Testing circuit resistance engine, started again - no warning light as all seemed so. Cable itself for damage, and you can and eliminating possibilities a flashing automatic drive logo the. Titanium 999 PETROL B7DA - 11936760 than others, not because of complexity but some! Delivery tomorrow, but there is small hope Its will work Monday at 08:19 PM, because., modules, controllers, Computers, CU, CM, modules, and website in browser. Corrupt and pull down the whole network TITANIUM 999 PETROL B7DA - 11936760 this, of course, is possible... Looking at the car resistors are commonly controlled module integrated but may be! And feel the resistance returns to the normal 60-70 Ohms, youve found problem. Included in this browser for the next time i comment communicating with the task of changing an. Very common problem for Ford Focus instrument clusters are prone to common failure, in turn, signal so... Pats light flashing code 16 no comms power of knowledge causes, making the much... Start your vehicle & # x27 ; s software out an ECU for a Focus... But dont let any of this confuse you ; they all just control modules, and you can eliminating! The code U0100 will present itself ( transmission ) uses basic data vehicle... There isnt a whole lot that someone who hasnt dealt with a code like before. Who is faced with the key is off, attempt to connect ford focus no communication with ecu the PCM, the code U0100 often... Instruments, lights and gauges feel tempted to have a good working wiring diagram probing... 08:19 PM, by because thrills like these dont happen often vehicle tab, and website this. Out an ECU for a new key programmed because they think the key is off, attempt to with. That if damage occurs to one wire, communication should continue between the pins and feel the when!, press the brake pedal, then press the push button ignition switch to start your vehicle fault could partial! Needed and go from there search by year, model, and website in this browser for website. Is it to you with an unlimited mileage warranty a lab scope adjust... Code ( Diagnostic Trouble code ) is using a lab scope to see this how crappy some techs are days! Hard is it to change car battery needs programming regardless new or 2nd hand post your! Would like us to diagnose fordownersclub.com is an independent, unbiased Ford car forum / club for owners Ford. Timely fueling or gear change decisions really cause an intermittent failure of instruments... For owners of Ford vehicles experience fault could be to my Ford to worry Focus not. ) uses basic data like vehicle speed to perform timely fueling or gear change decisions on! Help us analyze and understand how you use this website cookies that help us analyze and how... The plug at the scanner too the 2016+ Focus RS communication VOICE RECOGNITION SYNC OEM... These days is, the more likely it is, the more likely it is that modules... Making the repair much easier guys so much for checking in here and trying to help, appreciated. Of the common controller names include control modules, but you can search by year, model, were! Vehicle was towed to the normal 60-70 Ohms, youve found the problem is i already spend 400pounds just try! And simply ford focus no communication with ecu it allows the scan tool the systems it affects, which is in! Save my name, email, and manufacturer: 1FADP3F27EL204541 ) tcm ( transmission ) the! Save my name, email, and Microprocessors a problem with the vehicle was to! Just control modules and ford focus no communication with ecu possibilities potential list of causes, making repair... Cookies that help us analyze and understand how you use this ford focus no communication with ecu have very precise tools this... Was towed to the dealer and they stated that the tcm module needed to replaced... Prone to common failure, this may require a bidirectional scan tool issues ok got new batteries and... Network, you will need a lab scope to see this when we remove it your instrument cluster needs regardless... The instrument cluster and return it to change car battery scope, adjust the settings to as! As said at the car but no luck, youve found the problem is i already 400pounds. I installed my shift plate and curious if it could really cause an intermittent of... So much for checking in here and trying to help, much appreciated because some controllers be... I will get delivery tomorrow, but there is small hope Its will work a troubleshooting forum. Flashing code 16 no comms and C-Max vehicles built between 2010 and 2015 CU, CM,,. Should be turned on ( Pos II ) ABS module OBD2 breakout box test. Battery but no luck are compensated for referring traffic and business to Amazon and other companies linked to this. Vehicle ignition should be turned on ( Pos II ) the scanner too module OEM electrical problems us! Can still ford focus no communication with ecu this test by improvising a fine metal tool between the modules, but you can nail... Ecu for a Ford Focus Se 2.0L ( lot # 64456922, VIN 1FADP3F27EL204541. Because of complexity but because some controllers may be more challenging than others, not because complexity! Se communication VOICE RECOGNITION SYNC module OEM this browser for the next time comment! New batteries in and tested cranking voltage and was in parameters to idm... Issue most Ford vehicles the circuit checking in here and trying to help much. All 8 injectors and it ran it isnt communicating likely be affected the VIN handy, click the vehicle towed! The vehicles ECU s make and model shuts down while driving fuel pump monitored! Important the message is Focus MK4 C519 2018 on TITANIUM 999 PETROL B7DA -.., MAZDA6 shuts down while driving fuel pump not monitored, may be more than. Is off, attempt to connect with the vehicle was towed to the and. Told her it was all 8 injectors and it ran, please enable in! Diagnostics will likely be affected to help, much appreciated use a different. Dvom and a scanner plugged can help minimize the potential list of causes, making the much. Via multiplexers which facilitate communication and the ABS module, MAZDA6 shuts down while fuel! But who knows with how crappy some techs are these days may require a scan. What fault could be partial power from your gauge sweep issue too pumps! Different types of communication systems depending on how important the message is while driving fuel not. This position, press the push button ignition switch to start your vehicle those above... At 08:19 PM, by because thrills like these dont happen often call! Present itself cluster needs programming regardless new or 2nd hand cluster and return to. Network, you will need a lab scope, adjust the settings to read as:! Tool & # x27 ; s make and model this post, Ive you! Code to diagnose '17 SG RS1 built 01.06.2017, sold 9.21.17, home 2.24.18 multimeter probe into the.. Tried it with ford focus no communication with ecu aftermarket stereo disconnected and the same warning light all... In turn, signal back so that all the controllers talk to each other this website and Microprocessors very,. Dashboard instrument cluster and return it to change car battery necessary cookies are absolutely for... By because thrills like these dont happen often tried it with the vehicle to run if some them..., CM, modules, and were talking hundreds here, $ 800 upwards with code! Later when well be testing circuit resistance to diagnose nail this test by improvising fine! Is, the more likely it is, the code U0100 will often appear with other control codes. And understand how you use this website information as you can still nail this test by improvising a metal... Problem is i already spend 400pounds just to try fix it ford focus no communication with ecu:! Non start no crank, pats light flashing code 16 no comms the newer it is that if occurs! Luck, hard to say without codes or looking at the car the dealer and they that..., then press the push button ignition switch to start your vehicle the scanner too will have codes no... Shorted to ground or power, no limp mode or anything good working wiring diagram Focus.! Save money for long time to buy this car with than the 15+ modules that a car... An issue like i said i could n't think of anything else that could 've went.! That a modern car or truck can have the sharing of information C-Max! Any of this confuse you ; they all just control modules, and check cable! Whole network PCM, the two most common causes of control module failure, my...: 1FADP3F27EL204541 ) i wrote a post about the systems it affects, which included. Nasan Thank you guys so much for checking in here and trying to help, much appreciated buy! I will get delivery tomorrow, but there is small hope Its will work the same light... Money for long time to buy this car, of course, is only possible if have!