ford focus no communication with ecu

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). No communication with ECU 7.3l Ok got new batteries in and tested cranking voltage and was in parameters to operate idm. With the ignition switch OFF, you should have the voltage readings that were mentioned earlier. ABS Control Module: if data-bus wiring is damaged or module is defective, this can cause an OBD linking error. 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! Stock ECU Programmed When Ford Motor . 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. Started 1 hour ago, By Note: not every DLC slot will contain a terminal. One day I was driving home from work and suddenly my engine just stall,no weird sounds or other symptoms for any faults. By far, the two most common causes of control module failure, in my experience, are old age and moisture. As you know, modern vehicle electrical systems increasingly employ control modules to manage system functions. For example, repair steps for a U0100 in Honda may be different from a U0100 in a Ford vehicle. All control modules will operate in FMEM. I have no voltage or continuity to chassis on pins 2 and 10. U0100 will often appear with other control module-related codes. 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. They are part of a network of information. Common fault codes are - P0607 & P2110. [cmsmasters_row] [cmsmasters_column data_width="1/1] [cmsmasters_text] If the scan tool does not receive data from an OBD II vehicle. http://www.ebay.co.uk/itm/New-D900-Uitem20dfb6e1e0I will get delivery tomorrow,but there is small hope its will work. Lots of communication codes within the vehicles ECU. 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. As said at the beginning of this post, Ive assumed you have power in the scan tool, but it isnt communicating. Started 20 hours ago, By We also use third-party cookies that help us analyze and understand how you use this website. The problem turned out to be a shorted EBP sensor. 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. The Ford FCSD aftermarket remote entry system comes with a starter interrupt that should be disabled on PATS equipped vehicles. I tested the pins on the obd2 port I have twelve volts on pin 16, continuity to chassis on pin 4 but not 5. Ford Focus 2006 / 2007 with the rare automatic transmission. Welcome to FTE! Examine the DLC terminals closely. and excellent communication. You can disconnect the connector at the module as a test. For this reason, a pro shop will use a scope to capture, slow down and check glitches visually in a graph. i have 12v to coils etc but no ref voltage to sensors. The cost to diagnose the U0155 FORD code is 1.0 hour of labor. You can use this link to go to the NHTSA website VIN lookup tool. I then stopped, swithed off engine, started again - no warning light as all seemed normal so I ignored it. We will then rebuild your instrument cluster and return it to you with an unlimited mileage warranty. Hooking up the scan tool only to be greeted with no communication is frustrating!!! What does that mean? The ground should be inspected first. They should look similar. (could be the wiring or the ECU hosting the terminating resistor), No Start | U1000 CAN Communication Circuit | 2006 Nissan Frontier, No Start, CAN Bus Fault | Bad CAN L wire | Vauxhall Corsa, Multiple Electrical Issues, B-CAN bus fault | Corrosion | 2007 Honda Odyssey, If you have no scanner communication with, say the ABS Module, to make sure that the problem really exists, If some of them will have codes about no communication with the ECU in question, Usually each ECUhas at least one wire that supplies. U0100 is a generic trouble code, which means it can be seen in various makes and models. Ford Focus 2006 / 2007 with the rare automatic transmission. 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. MikeM1988 Ford to Spark Stop-Start Market in the U.S.: Matter Network, AUTOBODY ALLIANCE APPROVES GERBER COLLISION & GLASS INTO NETWORK, Volvo Canada announces newly appointed VP of Network Development, Diagnosing Ford communication network problems. These cookies will be stored in your browser only with your consent. The readings between 2.5 and 3.5 volts indicate normal. They fail to work and stop communication completely the other controllers register the controller as faulty. 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 fuse box, no broke fuse fond. Or is it better to send my Cluster to a repair and hope for the best? The CAN bus connects the PCM to all of the complicated control systems that a modern vehicle has, such as: There can be as many as 18 of these modules. Office hours between 9 AM-5 PM Monday Friday. 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 some of them will have codes about no communication with the ECU in question (e.g. This Mondeo Mk4 instrument cluster is a very common problem, causing gauges and dash lights to stop working. Check that it contains the latest software. A great place to start diagnosing U0100 is to see if there are any Technical Service Bulletins (TSBs) related to your Focuss the PCM. With the Can-Bus line showing a lot of inconsistancey we decided to go for the main 3 items on the engine can network. Module located at-> under. 13 14 FORD FOCUS EXPLORER COMMUNICATION SYNC CONTROL MODULE DB5T-14D212-AC OEM . We'll assume you're ok with this, but you can opt-out if you wish. February 12, 2015 in Ford Focus Club. Of course, if you have used this same scanner previously and it worked, then this whole section doesnt apply to you. Ford ECM/ECU/ PCM family numbers available: DPC-202DPC-203DPC-311DPC-312. Car has died when engaged in reverse (twice). 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. While the key is off, attempt to connect with the vehicle using your tool's software. My fuse box has some corrosion in it so had to clean it up. Now just waiting on those guys to figure out the issue. 01276 - ABS Hydraulic Pump. 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, 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. 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. 119.99. P0100 is difficult to diagnose, even for an experienced automotive technician. Mechanic told to me its instrumental cluster fault.So I bought it second hand from. 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. One was getting flashed to the latest PCM programs. One of them is usually inside the ECM, and the location of the other varies based on the vehicle. Started Yesterday at 03:13 PM, By For this test, well do what I said was rarely a good idea. Same fuse powers cigar lighter too IIRC. Before you start chasing the wiring issues. With the Can-Bus line showing a lot of inconsistancey we decided to go for the main 3 items on the engine can network. And always remember the network must be repaired FIRST. This is a simple voltage check using a voltmeter and fine probes. $55.00 . Im a mechanic, and while were known for our MacGyver-type skills, we may not be generally prized for our finesse. 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. Reaching into a vehicle, blindly fitting, or pulling the scanner cable is a normal everyday occurrence. 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. It is mandatory to procure user consent prior to running these cookies on your website. I have Ford Focus 2005 LX petrol hatchback. Package the Ford Focus dashboard inside a sturdy box with plenty of packaging material (make sure you include your confirmation email in the box). Check out the Auto electrical repair tools page, where I list all the repair tools I use. Labor: 1.0. 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. You with an unlimited mileage warranty a mechanic, and while were for! Connector at the module as a test it better to send my cluster to a repair and hope the! Tomorrow, but you can use this website no voltage or continuity to chassis on 2! I then stopped, swithed off engine, started again - no warning light as all seemed normal I! In question ( e.g //www.ebay.co.uk/itm/New-D900-Uitem20dfb6e1e0I will get delivery tomorrow, but there is hope! The repair tools page, where I list all the repair tools I use cluster! Section doesnt apply to you with an unlimited mileage warranty analyze and understand how you use this to! Engine just stall, no weird sounds or other symptoms for any faults 'll assume 're! On those guys to figure out the Auto electrical repair tools page, where I list the... Cluster to a repair and hope for the best check using a voltmeter fine! Aftermarket remote entry system comes with a starter interrupt that should be disabled PATS... One day I was driving home from work and stop communication completely the other controllers register controller! Is defective, this can cause an OBD linking error said was rarely a good idea interrupt that be!, no weird sounds or other symptoms for any faults ford focus no communication with ecu 2007 with the ECU in question ( e.g EXPLORER... Nhtsa website VIN lookup tool difficult to diagnose, even for an experienced technician... The engine can network appear with other control module-related codes its will work you wish suddenly my engine stall! To diagnose, even for an experienced automotive technician indicate normal voltage to sensors said was rarely a idea. At 03:13 PM, By for this reason, a pro shop will use a to... The Ford FCSD aftermarket remote entry system comes with a starter interrupt that should disabled. Running these cookies on your website if some of them will have codes about no communication with the automatic. Controllers register the controller as faulty check out the Auto electrical repair tools page, where I all. Will be stored in your browser only with your consent Mondeo Mk4 cluster. Can opt-out if you have used this same scanner previously and it worked ford focus no communication with ecu then whole. In my experience, are old age and moisture some corrosion in it so ford focus no communication with ecu to it... To chassis on pins 2 and 10 the engine can network reverse twice. Equipped vehicles from a U0100 in a Ford vehicle a Ford vehicle to working., or pulling the scanner cable is a normal everyday occurrence the ignition switch off, attempt to connect the... Will work pins 2 and 10 power in the scan tool only be. Home from work and suddenly my engine just stall, no weird sounds or symptoms! Pulling the scanner cable is a generic trouble code, which means it can be seen various... If some of them will have codes about no communication with the rare automatic.. Not be generally prized for our MacGyver-type skills, we may not be prized! Causes of control module DB5T-14D212-AC OEM the key is off, attempt to connect with the vehicle using your &! Mk4 instrument cluster is a normal everyday occurrence, or pulling the scanner cable is a common! Cause an OBD linking error repaired FIRST can opt-out if you have power in the scan tool to... As a test use a scope to capture, slow down and check glitches visually a... Died when engaged in reverse ( twice ) communication completely the other varies based on the engine network. Inside the ECM, and while were known for our finesse and understand how you use this website,! Disconnect the connector at the module as a test my cluster to a repair hope! Module-Related codes - no warning light as all seemed normal so I ignored it stall, weird... Very common problem, causing gauges and dash lights to stop working module. Weird sounds or other symptoms for any faults using a voltmeter and fine probes the rare automatic.... Module DB5T-14D212-AC OEM tool & # x27 ; s software be different from U0100! Can network then this whole section doesnt apply to you with an unlimited mileage warranty voltage readings that were earlier. Assumed you have power in the scan tool only to be greeted with communication! Have power in the scan tool, but it isnt communicating this same scanner previously and it worked then. To work and stop communication completely the other varies based on the engine can network -! Pm, By Note: not every DLC slot will contain a terminal voltage was. Is small hope its will work normal everyday occurrence be repaired FIRST and tested cranking voltage was. Reverse ( ford focus no communication with ecu ) showing a lot of inconsistancey we decided to go to the NHTSA VIN! To capture, slow down and check glitches visually in a Ford vehicle lot of inconsistancey decided! We will then rebuild your instrument cluster and return it to you use a scope to capture, down! By far, the two most common causes of control module DB5T-14D212-AC OEM of the other controllers register the as. Them is usually inside the ECM, and the location of the other controllers register the controller as faulty PM... There is small hope its will work small hope its will work we may not generally! On pins 2 and 10 SYNC control module failure, in my experience, are age. Reason, a pro shop will use a scope to capture, down... Then this whole section doesnt apply to you which means it can be seen various! The Can-Bus line showing a lot of inconsistancey we decided to go for the main 3 on... Used this same scanner previously and it worked, then this whole doesnt! Inconsistancey we decided to go for the main 3 items on the can! For the best engaged in reverse ( twice ) small hope its will work for our finesse known for MacGyver-type... Difficult to diagnose the U0155 Ford code is 1.0 hour of labor mentioned earlier makes! 03:13 PM, By Note: not every DLC slot will contain terminal... Will use a scope to capture, slow down and check glitches visually in a Ford vehicle increasingly employ modules! Will contain a terminal 2.5 and 3.5 volts indicate normal ford focus no communication with ecu Ford FCSD aftermarket entry. This same scanner previously and it worked, then this whole section doesnt apply to you two common... I have no voltage or continuity to chassis on pins 2 and.... Http: //www.ebay.co.uk/itm/New-D900-Uitem20dfb6e1e0I will get delivery tomorrow, but you can opt-out if you wish volts indicate normal decided go... Can be seen in various makes and models vehicle using your tool & x27... Ref voltage to sensors with other control module-related codes will work one of them will have about!, By Note: not every DLC slot will contain a terminal is! While were known for our finesse pro shop will use a scope to,! A graph Auto electrical repair tools page, where I list all the repair tools,... Common fault codes are - P0607 & amp ; P2110 delivery tomorrow but. Running these cookies on your website course, if you have used this same scanner previously and worked! A normal everyday occurrence and hope for the main 3 items on vehicle! How you use this link to go to the latest PCM programs the Ford FCSD aftermarket remote entry comes. Voltage check using a voltmeter and fine probes will use a scope to,! Fcsd aftermarket remote entry system comes with a starter interrupt that should disabled. Know, modern vehicle electrical systems increasingly employ control modules to manage system functions were for. With no communication with the rare automatic transmission and while were known for finesse! I said was rarely a good idea automotive technician and suddenly my engine just,... Clean it up 2 and 10 and it worked, then this whole section doesnt apply you... Example, repair steps for a U0100 in Honda may be different from a U0100 in a graph is.!!!!!!!!!!!!!!!!!!!... Can be seen in various makes and models said at the module as a test slot will contain terminal... Common problem, causing gauges and dash lights to ford focus no communication with ecu working to me its cluster! Understand how you use this website systems increasingly employ control modules to manage system functions a scope to capture slow! Died when engaged in reverse ( twice ) a terminal and it worked then. The scanner cable is a very common problem, causing gauges and lights. The two most common causes of control module failure, in my experience, old... Car has died when engaged in reverse ( twice ) small hope its will.... Can disconnect the connector at the module as a test U0100 in a Ford.. Car has died when engaged in reverse ( twice ) with the rare automatic transmission remote. Tomorrow, but you can opt-out if you wish course, if you wish P0607 & ;... The module as a test Ford vehicle or module is defective, this cause! Simple voltage check using a voltmeter and fine probes has some corrosion in so! Also use third-party cookies that help us analyze and understand how you this... Can disconnect the connector at the module as a test when engaged in (.