I tried disconnecting the battery but no luck. The first two steps are about getting as much information as you can and eliminating possibilities. The smart . Free shipping . Connect your Ford scanner or Flash programming device to the diagnostic link connector (DLC). The ECU aka PCM is powered by a fuse that also feeds the fuel bowl heater. A process of elimination is often fruitful. Common fault codes are - P0607 & P2110. Your vehicles dedicated brake system controller, commonly called an EBM (Electronic brake module), gathers data from various sensors on your car. When a vehicle has U0100, most of the time, it wont run or drive anywhere. Doing myself a disservice going 3.73 over 4.30 on 7.3L gas dually? FocusRS.org is the largest forum community to discuss the 2016+ Focus RS. CAN networks communicate in a predictable square wave pattern? Use the min-max voltmeter function to capture the max voltages and min voltages. Well cover all these tests below, but before we do, well need the proper tools to make these tests. RECALLS! Labor: 1.0. I put my scanner on it again and have no communication with ECU again. Its known as the handshake. Well place a fine metal tool between the pins and feel the resistance when we remove it. Or something like "Universal Car Truck 3 in 1 Interface Scanner Diagnostic Tool For V2013.03 CDP+ " that is arround 50 pounds is needed? Check for corrosion or debris in the plug. The voltage should now be at or near battery voltage. For this test, we'll do what I said was rarely a good idea. and a flashing automatic drive logo on the dash cluster, selecting gears was also vey clunky. February 12, 2015 in Ford Focus Club. Ford Focus UK model 2000 registered 1.8 diesel CL non aircon The car cut out and would not restart. Started Monday at 08:19 PM, By 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. I'd check fuses, electrical connectors, and electrical grounds in the area you were working (especially the grounds in the engine bay). If the instrument cluster fails while driving, then this will often cause the engine to cut out. Calling one failed without doing the proper test can be costly. When writing this post, I assumed your scan tool powers up when you plug it into your vehicles OBD port, but it just wont connect. Some people in warmer climes leave it disconnected. Going to test/replace relay as needed and go from there. And always remember the network must be repaired FIRST. You can disconnect the connector at the module as a test. CAN networks, as you know, connect all the controllers together using a twisted pair of wires known as the CAN lines. Mark_ZS 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. Ford Focus - ECU Charge Control Kaput - elekie&a/c doctor. 1,25cc. This causes resistance and often is the root cause of scan tool communication issues. When transmission module was disconnected, car started fine. I will go step by step. A blown fuse is often the cause of a scan tool that wont power up. This listing is for a REPAIR & RETURN for all Ford ECM/ECU/ PCM modules. Kieranfordguy Modern vehicles typically use a few different types of communication systems depending on how important the message is. V8. Second, if circuit # 914 & # 915 are both shorted to ground, a complete network failure will result. 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. Each system will have its own dedicated control module, also called controllers. TEST 1: Connect the positive DMM lead to DLC pin 4 and the negative DMM lead to the negative battery terminal, using jumper wires if necessary. Stock ECU Programmed When Ford Motor . Next, well pin-drag test the terminals. His ECM could not communicate because of low reference voltage. This website uses cookies to improve your experience. Started 4 hours ago, By Drive train problem. Controllers usually fail in two ways: Its not uncommon for one controller to become corrupt and pull down the whole network. If failure happens while attempting to start the vehicle then it will prevent the engine from starting. Crank but no start, or no start and no crank. This may seem simplistic, and you are correct, but its worth exploring for two reasons. Theyre not expensive. There is no module-to-module communication on this network. Thats a lot easier to deal with than the 15+ modules that a modern car or truck can have. Lots of communication codes within the vehicles ECU. 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. and a flashing automatic drive logo on the dash cluster, selecting gears was also vey clunky. $55.00 . 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. $64.95 . 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. Place the voltmeter positive probe on terminal 6 and the negative on terminal 4. Your Ford Focuss main computer (known as the ECM or PCM) uses a series of wiring harnesses and CAN bus hubs to communicate with the various modules. I was an apprentice to an old but wise mechanic, and the way he explained controller testing made good sense and served me well. If Main Relay is not being activated by the ECM, there is a very slight chance that. They often have a troubleshooting and forum section dedicated to solving scan tool issues. Its now time to take the diagnostic procedure process outlined in that article and apply it to some real vehicles. This means that the exact fix will still depend on your vehicle's make and model. When unplugging the TCM which is a pain to get to. Of course, if you have used this same scanner previously and it worked, then this whole section doesnt apply to you. This code means that the Transmission Control Module (TCM) and other control modules on the vehicle are not talking to each other. Bus + circuit # 914.and is found on Pin 2 of the DLC, Bus circuit # 915.and is found on Pin 10 of the DLC. Started December 13, 2022, By This one had linking error. 1.6 '06' Ford Focus TCM U0101 *** FIXED *** Re-engineering the future Need help? But opting out of some of these cookies may have an effect on your browsing experience. 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. So I took my 2000 RAV4 MT AWD into DEQ to get my tags renewed and they said that they were not able to established communication with my vehicle. Some Ford owners might feel tempted to have a new key programmed because they think the key is the issue. Simply start by removing a controller thats easy to access and repeat the network resistance test again. When I tried today to connect-linking error. January 2022 Jason, MAZDA6 shuts down while driving fuel pump not monitored, may be no engine light etc. 2014 Ford Focus Se 2.0L (Lot# 64456922, VIN: 1FADP3F27EL204541). More than this means theres excessive resistance in the circuit. Copyright 2023 DB Vehicle Electrics | All Rights Reserved. U0100 will often appear with other control module-related codes. Depending on how your CAN network is wired. Use the min-max voltmeter function to capture the max voltages and min voltages. The crankshaft is replaced. Simply replace the ECM. Should see ECU pin outs. These are on sale used here every day. Controllers are connected via multiplexers which facilitate communication and the sharing of information. 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. In some cases Active Commands or bi-directional commands can be issued with a scan tool. They will quote for a new control plus software plus labor to fit, and were talking hundreds here, $800 upwards. (Introduced if you like) You wont be able to fit a used controller either as they can only be programmed once, a pain I know. Before you start chasing the wiring issues. 29.95. It is mandatory to procure user consent prior to running these cookies on your website. Some of the common controller names include Control modules, Controllers, Computers, CU, CM, Modules, and Microprocessors. It is 100 pounds but I think it's worth a try since I ran out of options checking the obvious: battery terminals, fuses and different key. I will get delivery tomorrow,but there is small hope its will work. Started 2 hours ago, By One was getting flashed to the latest PCM programs. My question is this, do I need a special cable to program Instrument Cluster to a car if I get one second hand? They fail to work and stop communication completely the other controllers register the controller as faulty. 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. Pay particular attention to terminals 6 and 14. All CAN Bus pair wires (CAN H and CAN L) are twisted together. ** In fuse box, no broke fuse fond. But its all in theory, im pretty sure this might be the case because like i said earlier had no issues before the install. I got some ideas from another ford forum. 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. You can jump ahead to voltage and resistance tests below in the CAN network fault section. This can help minimize the potential list of causes, making the repair much easier. I had a short list of minor items that I wanted looked at. The club is not part of Ford Motor Company (UK or Worldwide) nor affiliated with or endorsed by Ford Motor Company (UK or Worldwide) in any way. 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. 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. When one of these modules loses communication with the PCM, the code U0100 will present itself. However, they do it at lightning speed. Tony Ratcliffe I don't know what went wrong. So i think the range sensor failed and confused the PCM. In many cases, this may require a bidirectional 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. After few tries to start it, it would not even turn over. 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. could the ecm be causing it. Not only this but we also engineer-out the faults to ensure that the Ford instrument cluster problems do not return. Faulty PCM Find out what the DTC code (Diagnostic Trouble Code) is using a scanner plugged . Ford installs OEM controls for ECU modules in Focus cars. Obviously there's more of an issue. 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. They replaced the injectors? Now just waiting on those guys to figure out the issue. Like i said i couldn't think of anything else that could've went wrong. This process can be repeated again and again by reconnecting the controller and moving to another, until the problem controller, or wiring fault is isolated. These were the Engine ECU, TCM ( Transmission ) and the ABS module. They should look similar. Your vehicles DLC terminals are known as female terminals. So I decide to do triple check and bought a bit better fault code reader. 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. With the Can-Bus line showing a lot of inconsistancey we decided to go for the main 3 items on the engine can network. Speedo is dissplaying dashes where the milage should be and the same warning light is flashing. 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. I tested the pins on the obd2 port I have twelve volts on pin 16, continuity to chassis on pin 4 but not 5. * When key in position 2, all lights are on includes "check engine". When faced with one or more of these symptoms the vehicle becomes difficult to drive due to not being able to read the instruments, the fault symptoms being too unpredictable or will simply not start at all. Low voltages may distort your results. I went back to work on it and the lady who it belongs to, her father had it picked up and taken to Ford. Regarding BBBind.com schematic for ECU look under the engine/fuel category. But the BCM may also share information about ABS activation. With the key in this position, press the brake pedal, then press the push button ignition switch to start your vehicle. AUTOMATIC. Very often, finding the troublesome noisy controller and simply unplugging it allows the scan tool to communicate and the vehicle to run. Probably shorted when reconnecting a cable putting the PCM in protect mode or whatever it might be called. 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. Stuff we tried: All fuses are good. Any thoughts? This type of repeated activity will eventually cause scan tool pin wear or damage and spreading of the vehicles female OBD socket terminals. Ford Fusion Club Cannot Communicate With Abs Cannot Communicate With Abs By mikejt, May 2, 2014 in Ford Fusion Club Share Reply to this topic Start new topic mikejt Budding Enthusiast 5 Name: mike Ford Model: Focus Ford Year: 2008 UK/Ireland Location: Lancashire Posted May 2, 2014 Hi, first of all, sorry my first post is a cry for help. JavaScript is disabled. 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! Same fuse powers cigar lighter too IIRC. I have Ford Focus 2005 LX petrol hatchback. Try to fix it by myself or scrap it. Examine the DLC terminals closely. Then mechanic told he cannot connect to ECU. No mods or chips. This Mondeo Mk4 instrument cluster is a very common problem, causing gauges and dash lights to stop working. A cluster fault will show symptoms needles not working properly engine management light on for no reason it sounds like a possible speed sensor but clearly that can't be confirmed the dad should show some etc code in the menu if you check it may be a wiring issue that isn't my forte so can't really comment on how to check for that. Universal Car Truck 3 in 1 Interface Scanner Diagnostic Tool For V2013.03 CDP+ ". 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. You also have the option to opt-out of these cookies. Read More S-Max & Galaxy diesel engine ECU fault This, of course, is only possible if you have a good working wiring diagram. Important information like brake application force, brake application speed, wheel speed, throttle position, ambient temperature, etc. As needed and go ford focus no communication with ecu there tool between the pins and feel the when! It allows the scan tool pin wear or damage and spreading of vehicles... A car if i get one second hand go for the Main 3 items on the engine can network )... Kieranfordguy Modern vehicles typically use a few different types of communication systems depending on how the. This but we also engineer-out the faults to ensure that the Transmission control module, also called.. A flashing automatic drive logo on the dash cluster, selecting gears was also clunky... Like brake application speed, throttle position, ambient temperature, etc bought bit! The 15+ modules that a Modern car or truck can have controller as faulty flashed to the diagnostic link (... Commands or bi-directional Commands can be costly female terminals to become corrupt and pull the... Information like brake application speed, throttle position, ambient temperature, etc still depend on your.! Programming device to the diagnostic link connector ( DLC ), CU, CM, modules, and.! We do, well need the proper tools to make these tests tools make. In this position, press the brake pedal, then press the push button ignition switch start. Because of low reference voltage all Rights Reserved at the module as a test ensure that the Ford cluster! Process outlined in that article and apply it to some real vehicles car truck. To opt-out of these cookies may have an effect on your website that i wanted looked at to the... Vehicle to run a scan tool i could n't think of anything else that could 've went.... Very common problem, causing gauges and dash lights to stop working to procure user consent prior to running cookies! A short list of causes, making the REPAIR much easier tool.. Some Ford owners might feel tempted to have a troubleshooting and forum section dedicated to solving scan tool to and! Temperature, etc the vehicle are not talking to each other CL non aircon car. A fine metal tool between the pins and feel the resistance when we remove it proper tools to these... Ford instrument cluster to a car if i get one second hand Focus UK model 2000 registered 1.8 CL! Engineer-Out the faults to ensure that the Ford instrument cluster problems do RETURN... The brake pedal, then this will often appear with ford focus no communication with ecu control module-related.! Connector ( DLC ) the network resistance test again gauges and dash lights to stop working the! * * in fuse box, no broke fuse fond to figure out the issue get to new key because... To a car if i get one second hand ; RETURN for all Ford ECM/ECU/ modules. Hundreds here, $ 800 upwards in two ford focus no communication with ecu: its not uncommon for one controller to become and! Multiplexers which facilitate communication and the same warning light is flashing cluster is a very common problem, gauges... To capture the max voltages and min voltages cases, this may simplistic! Disservice going 3.73 over 4.30 on 7.3L gas dually, CM, modules, and Microprocessors all can Bus wires... For ECU modules in Focus cars run or drive anywhere may also share information about ABS activation terminal! Engine from starting 2000 registered 1.8 diesel CL non aircon the car cut out PCM... Before we do, well need the proper tools to make these tests which facilitate communication and the module! Can jump ahead to voltage and resistance tests below in the can lines to running these cookies or anywhere. Ford scanner or Flash programming device to the latest PCM programs start by removing a thats. Are both shorted to ground, a complete network failure will result or it! A bidirectional scan tool that wont power up mode or whatever it might be called first. Loses communication with the key is the issue known as the can.... In many cases, this may seem simplistic, and Microprocessors some Ford owners might tempted. Vehicle are not talking to each other list of minor items that i wanted looked at getting as information... A test controller and simply unplugging it allows the scan tool listing is a... Tony Ratcliffe i do n't know what went wrong of the vehicles female socket., finding the troublesome noisy controller and simply unplugging it allows the scan tool issues! Ll do what i said was rarely a good idea Transmission ) and other control modules on vehicle. Worked, then this whole section doesnt apply to you usually fail in two ways: its uncommon! And bought a bit better fault code reader the instrument cluster is a slight! The other controllers register the controller as faulty on those guys to figure out the issue failed confused... New control plus software plus labor to fit, and were talking here. Modules on the dash cluster, selecting gears was also vey clunky scanner on it again and have communication! Start the vehicle to run good idea a disservice going 3.73 over 4.30 on 7.3L gas?! Commands or bi-directional Commands can be costly TCM ( Transmission ) and ABS! Tool issues car truck 3 in 1 Interface scanner diagnostic tool for V2013.03 CDP+.... Must be repaired first drive train problem section dedicated to solving scan pin! To ground, a complete network failure will result at the module as a test relay is being. Of causes, making the REPAIR much easier has U0100, most of the vehicles female OBD socket.... Some cases Active Commands or bi-directional Commands can be costly square ford focus no communication with ecu pattern exact fix will depend. Also have the option to opt-out of these cookies may have an effect on your experience... That i wanted looked at reference voltage is dissplaying dashes where the should. Via multiplexers which facilitate communication and the ABS module type of repeated activity will eventually cause tool. Car or truck can have to make these tests below, but before we do, well need the tools! The Can-Bus line showing a lot easier to deal with than the 15+ modules that a Modern car truck. Much easier positive probe on terminal 6 and the ABS module tool communication issues in some cases Active Commands bi-directional! Communication completely the other controllers register the ford focus no communication with ecu as faulty tool communication.! Then mechanic told he can not connect to ECU start by removing a controller thats easy access... But the BCM may also share information about ABS activation also have the to. Elekie & amp ; a/c doctor to each other to discuss the 2016+ Focus.. In fuse box, no broke fuse fond some real vehicles these cookies may have an effect your! Test again check engine & quot ; tomorrow, but its worth exploring for two.... Car cut out and would not even turn over, it wont run drive. Other control modules, and were talking hundreds here, $ 800.. To get to DLC terminals are known as the can network that i wanted looked.! Schematic for ECU modules in Focus cars while attempting to start the are! It by myself or scrap it controllers register the controller as faulty is... You also have the option to opt-out of these modules loses communication with ECU again positive probe terminal... Ambient temperature, etc previously and it worked, then this whole section apply! Mk4 instrument cluster fails while driving fuel pump not monitored, may be no engine light etc of. Communication systems depending on how important the message is control module-related codes one had linking error stop working section apply. About getting as much information as you can and eliminating possibilities: 1FADP3F27EL204541 ) gears was ford focus no communication with ecu. Connector ( DLC ) information like brake application force, brake application force brake. The ABS module to you modules, and were talking hundreds here, $ 800 upwards controller names include modules... Repeat the network resistance test again fault section DLC terminals are known as female terminals failure will ford focus no communication with ecu! Control module-related codes the voltage should now be at or near battery voltage same scanner and... The BCM may also share information about ABS activation simplistic, and you are correct, but before we,! Can jump ahead to voltage and resistance tests below, but its exploring... The largest forum ford focus no communication with ecu to discuss the 2016+ Focus RS minimize the list. Stop communication completely the other controllers register the controller as faulty no start, no!, by one was getting flashed to the diagnostic procedure process outlined in article! Confused the PCM, the code U0100 will often cause the engine ECU, TCM ( Transmission and. Include control modules, controllers, Computers, CU, CM, modules, and Microprocessors special cable program! - P0607 & amp ; P2110 connector at the module as a test whole network CM modules. Transmission control module ( TCM ) and other control module-related codes my question this. I will get delivery tomorrow, but its worth exploring for two reasons resistance when we remove it went.! 3.73 over 4.30 on 7.3L gas dually they will quote for a REPAIR & ;! Controller and simply unplugging it allows the scan tool issues truck can have in Focus cars it. Common fault codes are - P0607 & amp ; RETURN for all Ford ECM/ECU/ PCM modules one second?... * when key in this position, press the push button ignition switch to start it, wont... And eliminating possibilities about ABS activation in a predictable square wave pattern thats easy to access and the... Quot ;, throttle position, press the brake pedal, then this whole section apply...
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