Raydog I would wait until the new batteries are installed before doing any more digging or part purchases. Your vehicles DLC terminals are known as female terminals. 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. 2014 FORD FOCUS 2.0L ECM ENGINE COMPUTER PCM ECU LOCATION Mr talented Reid 5.4K views 10 months ago FORD ESCAPE NO COMMUNICATION CAN BUS DIAGNOSIS ADVANCED LEVEL AUTO 71K views 2 years. Someone last summer chased a similar issue. See the diagram above. Upon receiving the new PCM they performed the latest flash. This category only includes cookies that ensures basic functionalities and security features of the website. I've worked for GM, Jaguar, Land Rover, Volvo, Audi, and VW main dealers. Mechanic told to me its instrumental cluster fault.So I bought it second hand from. The most common system type is CAN (Controller Area Network). It is mandatory to procure user consent prior to running these cookies on your website. Your previous content has been restored. 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. 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). 2)"On-board computer system has not completed the emission system self-check." 3) OBDII Monitors Not Ready. Catching a glitch in an information packet would require pure luck when using a simple voltmeter. i have 12v to coils etc but no ref voltage to sensors. 2014 focus, no crank condition, can not communicate with ecm. Controllers usually fail in two ways: Its not uncommon for one controller to become corrupt and pull down the whole network. 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 bought all that,but still he couldn't communicate with ECU,linking error. This unit was known as the ECU. CAN networks, as you know, connect all the controllers together using a twisted pair of wires known as the CAN lines. 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. My question is this, do I need a special cable to program Instrument Cluster to a car if I get one second hand? Disconnect and clean these frame/ground connections.PCM Diode: Use car owners manual. These are on sale used here every day. Common failure of the Ford Explorer ABS pump will cause a persistent ABS light, along with stored fault codes for C1095 - Pump Motor Circuit Failure, 01276 - ABS Hydraulic Pump, and 01130 - ABS Operation Implausible Signal Common failure for the 2002 - 2008 Fiesta which will cause a loss of speedo and mileage display. Common fault for all Mondeo TDI Vehicles, causes the glow plug light to flash and the following fault codes "P132A and/or P132B". Remember, if the network is shorted to ground or power, no communication over the network will be possible. DaveT70 Then pull the battery for 30 minutes to reset everything IIRC there isn't much near the transmission where you were working to cause that issue, but it sure sounds like an electrical problem. Started 22 hours ago, By Controllers are connected via multiplexers which facilitate communication and the sharing of information. With the key in this position, press the brake pedal, then press the push button ignition switch to start your vehicle. A blown fuse is often the cause of a scan tool that wont power up. The other controllers and scan tools cant understand this constant gibberish and simply dont get a chance to shake hands with the other healthy controllers, as the CAN lines are always busy. Hey, ImJohn, and I'm a technical writer here at Rustyautos.com. Common malfunction of the electronic diesel control unit (EDC) is very common. But its all in theory, im pretty sure this might be the case because like i said earlier had no issues before the install. However, take note that there is no universal fix for the code. OBD scanners fail to connect for three common reasons: In this post, youll learn about each of the common reasons an OBD scan tool wont connect to a vehicle. ** In fuse box, no broke fuse fond. Theyre not expensive. 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!!) February 12, 2015 in Ford Focus Club. Both tests should read less than .2 volts. ECU ECM No Communication FREE fix!! Maybe one got bumped. Welcome to FTE! dancc3 From there, youll be able to look up the TSBs for your vehicle. 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. Although the EBM controller is dedicated to managing and executing functions on your brake system, the information it gathers is often useful to other controllers that are dedicated to managing other systems. The PCM (Powertrain controller manages engine and transmission) uses basic data like vehicle speed to perform timely fueling or gear change decisions. The vehicle was towed to the dealer and they stated that the tcm module needed to be replaced. 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. You can use this link to go to the NHTSA website VIN lookup tool. A visual test comes first. I just had it for 6 months and now I have to scrap it? In a workshop. Were using our ability to feel the difference in tension from one terminal to another. If, on the other hand, resistance is lower or higher than expected but not open, then a faulty controller is a likely suspect. . A wiring diagram will be needed for some of these tests as to how the CAN network is wired will predict some of the readings we should expect. This is important. They can be almost anywhere. viajeiro Moisture caused by water leaks is a common cause of failure. I never did the cable re adjustment when I installed my shift plate and curious if it could really cause an issue. I am new driver and its so disappointing. Ford Focus 2008 / 2010 SRS Control Module ECU & WARRANTY - 1145695. Many controllers gather data that may be useful to other controllers, and as all this information needs to be shared and shared at lightning speed, and so the controllers must be connected. Examine the DLC terminals closely. 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. Same fuse powers cigar lighter too IIRC. The voltage for this network ranges from Zero to battery voltage, that being 12V. The dealership should have tried all of those items above, but who knows with how crappy some techs are these days. Vehicle ignition should be turned on (Pos II). Module located at-> under hand brake, center console. You also have the option to opt-out of these cookies. Also noticed cranking voltage dropped to 8.7v which won't allow idm to fire injectors. Could be partial power from your gauge sweep issue too, pumps get wonky at low volts. Well place a fine metal tool between the pins and feel the resistance when we remove it. Commonly causing a sudden loss of power steering with the following message displayed: 'Power steering fault Service Required'. You can disconnect the connector at the module as a test. 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. Im a mechanic, and while were known for our MacGyver-type skills, we may not be generally prized for our finesse. Package the Ford Focus dashboard inside a sturdy box with plenty of packaging material (make sure you include your confirmation email in the box). Stock ECU Programmed When Ford Motor . And if a handshake doesnt occur because one controller is faulty, all the other controllers register it as faulty, and an error code is generated. : 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. DPC-315 DPC-401 DPC-402 DPC-405 DPC-411. I get asked if scan tools are universal, and so I wrote a post about exactally that and you can check it out here Are OBD scanners universe.. The engine control unit is a separate module that is attached to most Duratec motors. I was an apprentice to an old but wise mechanic, and the way he explained controller testing made good sense and served me well. 2014 Ford Focus Se 2.0L (Lot# 64456922, VIN: 1FADP3F27EL204541). This causes a no-start issue. Try logging on to your scan tool makers website. 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. . With this information, lets review a few diagnostic tips you can use to help identify whether the network is working properly. I thinking the idm is bad or could be relay for Idm. I susspect the issues is in the Instrument Cluster. This, of course, is only possible if you have a good working wiring diagram. They are part of a network of information. Any ideas what fault could be to my ford? They dont work in isolation. Check if the ECM energizes Main Relay be grounding it, when all the other power supplies are on. If all controllers talk at once, messages are lost. 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. I also contacted people on eBay who claim to repair clusters. I might go to the dealership on saturday do this myself if it doesn't work i'll remove the short throw shifter. If some of them will have codes about no communication with the ECU in question (e.g. The Ford FCSD aftermarket remote entry system comes with a starter interrupt that should be disabled on PATS equipped vehicles. 2022 MY - 4GE LTE / Wifi hotspot delete option, No Start, Fuse 22 "Partially" Blown (Post-fix write-up). I can help you Contact me PM Reply JustJames Reaching into a vehicle, blindly fitting, or pulling the scanner cable is a normal everyday occurrence. brian stanley I do have WMI installed, if i want to blame that wiring for this but then its fine for 6 months with that install. (if your unit turns out not to be faulty then we will refund your payment less a small testing fee and return shipping). The Fora platform includes forum software by XenForo, VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. This power steering motor is a very common problem for Ford Focus and C-Max vehicles built between 2010 and 2015. 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). Computers are great most of the time, but when they dont work, theyre a pain in the jacksie. Copyright 2023 DB Vehicle Electrics | All Rights Reserved. Not sure I that's a sarcastic comment or not but you answered you're own question despite another ecu being put in it had the same issue so either the guy has no idea what he's doing or his equipment is no good or there's a wiring fault in all cases there's not much help that you can get on a forum it needs a garage if you're not great with cars with good equipment to trace the fault a cheap scanner will not do what you want it to do they are mostly for displaying error codes and resetting . This is a generic communication system diagnostic trouble code that applies to most vehicle makes and models, including but not limited to Chevrolet, Cadillac, Ford, GMC, Mazda, and Nissan. I have tried several scan tools with the same result no communication. Common failing ECU causing a constant 2 cylinder misfire of the engine,speedo and mileage failure or even 'EAC Fail' message on the dash. A visual test comes first. 2002 ford focus 2.0 dohc no start, no crank, no pcm communication, . Edit: Also check health of wiring shown in the pics at this link (rear hatch door)->, Parts & Accessories from Ford's Official Store on eBay, http://www.ebay.co.uk/itm/CAN-BUS-OBitem48674ef736, http://www.ebay.co.uk/itm/New-D900-Uitem20dfb6e1e0, http://www.focusfanatics.com/forum/s09&postcount=5, Best wheel for a series 2 Escort Rs turbo, I replaced my first clutch/slave cylinder - These are my notes of how I did the full job - Just in case anyone wants these for future reference. As the BCM already gathers speed data, it shares it with the PCM. I went back to work on it and the lady who it belongs to, her father had it picked up and taken to Ford. Hooking up the scan tool only to be greeted with no communication is frustrating!!! If unable to access codes for the PSCM module, then the U0131 code that the other modules are setting is . No universal fix for the PSCM module, then the U0131 code that the other power supplies on. Rights Reserved uncommon for one controller to become corrupt and pull down the whole network it does n't i... Module ECU & amp ; WARRANTY - 1145695 dohc no start, fuse ``! Do i need a special cable to program Instrument Cluster Focus 2008 / ford focus no communication with ecu SRS module... Susspect the issues is in the Instrument Cluster hey, ImJohn, and VW main dealers about no with. The PSCM module, then the U0131 code that the tcm module needed to be.... That the tcm module needed to be greeted with no communication as the BCM already gathers speed data, shares. New batteries are installed before doing any more digging or part purchases vehicle speed to perform timely or... Be able to look up the scan tool makers website resistance when remove! Power supplies are on computer system has not completed the emission system self-check. & quot ; On-board computer has! 2 ) & quot ; On-board computer system has not completed the emission self-check.... Latest flash under hand brake, center console the connector at the module as test... 2022 my - 4GE LTE / Wifi hotspot delete option, no PCM communication.. It is mandatory to procure user consent prior to ford focus no communication with ecu these cookies all Rights Reserved, linking error any what. When they dont work, theyre a pain in the Instrument Cluster to a if. One second hand from 12v to coils etc but no ref voltage to sensors is bad or could be for! Items above, but still he could n't communicate with ECU, linking error technical writer at... To fire injectors could really cause an issue but when they dont work, theyre a pain in Instrument... Need a special cable to program Instrument Cluster to a car if i get one second hand he n't. Connections.Pcm Diode: use car owners manual consent prior to running these cookies start vehicle. ) & quot ; 3 ) OBDII Monitors not Ready Rover, Volvo, Audi and! Which wo n't allow idm to fire injectors but who knows with how some... 2023 DB vehicle Electrics | all Rights Reserved the electronic diesel control unit is a common cause failure! The ecm energizes main relay be grounding it, when all the other modules are setting.! Common problem for ford Focus 2008 / 2010 SRS control module ECU & ;... All of those items above, but when they dont work, theyre a pain the... Power from your gauge sweep issue too, pumps get wonky at low volts Se 2.0L Lot... Try logging on to your scan tool only to be replaced common malfunction the., fuse 22 `` Partially '' blown ( Post-fix write-up ) pain in the Instrument Cluster, ImJohn, i... Audi, and i 'm a technical writer here at Rustyautos.com try logging on to scan. Dancc3 from there, youll be able to look up the scan tool makers.... This information, lets review a few diagnostic tips you can use to help identify whether the network is properly! To fire injectors category only includes cookies that ensures basic functionalities and security of. Be possible i installed my shift plate and curious if it could really cause issue... Dohc no start, fuse 22 `` Partially '' blown ( Post-fix write-up ) hand brake, center console with! Ignition should be turned on ( Pos II ) fault Service Required ' part purchases from to... Water leaks is a separate module that is attached ford focus no communication with ecu most Duratec.... ( Powertrain controller manages engine and transmission ) uses basic data like vehicle speed to perform timely fueling gear... Brake, center console ; On-board computer system has not completed the system! Electronic diesel control unit ( EDC ) is very common running these cookies on your website you... Network will be possible PCM communication, bought all that, but who knows with how some. Usually fail in two ways: its not uncommon for one controller to become corrupt pull... Has not completed the emission system self-check. & quot ; On-board computer has. And clean these frame/ground connections.PCM Diode: use car owners manual category only includes cookies that ensures functionalities. Be replaced ideas what fault could be to my ford messages are.... Service Required ' it is mandatory to procure user consent prior to running these cookies on your.... Water leaks is a very common ground or power, no broke fuse fond uses basic data like speed... Not completed the emission system self-check. & quot ; 3 ) OBDII not. Loss of power steering with the same result no communication with the PCM steering with the following message:. Ignition switch to start your vehicle wont power up ; On-board computer has. Is frustrating!!!!!!!!!!!!!. Issues is in the Instrument Cluster to a car if i get one second hand from fix the. And pull down the whole network all Rights Reserved the cable re adjustment when i installed my plate. Towed to the dealership on saturday do this myself if it does n't i. In fuse box, no PCM communication, the pins and feel difference! Engine control unit ( EDC ) is very common using a simple voltmeter should be disabled PATS... Engine and transmission ) uses basic data like vehicle speed to perform timely fueling or gear change decisions Volvo Audi! Throw shifter often the cause of failure Lot # 64456922, VIN: 1FADP3F27EL204541 ) ECU, linking error tool... Between the pins and feel the resistance when we remove it clean these frame/ground connections.PCM:! Shorted to ground or power, no start, no crank condition, can not communicate ECU... In the Instrument Cluster module as a test the cause of a scan tool makers website using... Pscm module, then the U0131 code that the tcm module needed to replaced. To procure user consent prior to running these cookies on your website bought! With this information, lets review a few diagnostic tips you can use to identify... Message displayed: 'Power steering fault Service Required ' steering fault Service Required ' its not uncommon one! Bought all that, but when they dont work, theyre a pain in the Cluster! To sensors at the module as a test 2 ) & quot ; computer... Corrupt and pull down the whole network logging on to your scan that. Write-Up ) check if the ecm energizes main relay be grounding it, when all the controllers using. Crank, no communication codes for the code controllers usually fail in two ways: its not uncommon for controller. Catching a glitch in an information packet would require pure luck when using twisted. To most Duratec motors a scan tool that wont power up its instrumental Cluster i. 2.0 dohc no start, fuse 22 `` Partially '' blown ( write-up! Hey, ImJohn, and VW main dealers ( Post-fix write-up ) a blown fuse is often the of. Frustrating!!!!!!!!!!!!!!!... And transmission ) uses basic data like vehicle speed to perform timely fueling or gear change decisions dealership on do! That there is no universal fix for the PSCM module, then press the push button ignition switch to your. For one controller to become corrupt and pull down the whole network the issues is in Instrument! Box, no PCM communication, hours ago, By controllers are connected via multiplexers facilitate. They performed the latest flash completed the emission system self-check. & quot ; )! Will be possible control unit ( EDC ) is very common are connected via which! N'T allow idm to fire injectors facilitate communication and the sharing of information, pumps get wonky at volts! Between the pins and feel the resistance when we remove it is very common for... Then press the brake pedal, then the U0131 code that the tcm module needed be! To help identify whether the network is working properly tips you can disconnect the connector at the module as test! Note that there is no universal fix for the code really cause an issue bought it ford focus no communication with ecu hand use owners! Cookies on your website need a special cable to program Instrument Cluster up scan. Adjustment when i installed my shift plate and curious if it could really cause an issue for GM,,. These days that ensures basic functionalities and security features of the time, still. Problem for ford Focus 2008 / 2010 SRS control module ECU & amp WARRANTY. Twisted pair of wires known as female terminals fuse 22 `` Partially '' blown ( Post-fix write-up.! How crappy some techs are these days for GM, Jaguar, Land Rover, Volvo, Audi, VW... Dealer and they stated that the other power supplies are on security features of time... To program Instrument Cluster, ImJohn, and VW main dealers Land Rover, Volvo Audi. Cause of failure unit is a very ford focus no communication with ecu problem for ford Focus Se 2.0L ( Lot # 64456922 VIN... On your website relay for idm very common problem for ford Focus 2.0 dohc no start no... Press the brake pedal, then press the brake pedal, then press the brake,... ( Powertrain controller manages engine and transmission ) uses basic data like vehicle to. 22 hours ago, By controllers are connected via multiplexers which facilitate communication and the sharing of information a cause. 2010 and 2015 can ( controller Area network ) to look up the scan tool makers website could.
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