How to Diagnose ECU Communication Issues? I went back to work on it and the lady who it belongs to, her father had it picked up and taken to Ford. Check if the ECM energizes Main Relay be grounding it, when all the other power supplies are on. (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. Most good scanners will have a detachable and, therefore, replaceable OBD cable. Common fault codes are - P0607 & P2110. The same TCM was also used in the 2011 to 2015 Ford Fiesta and was also included in a factory recall. No communication to the ABS. You can post now and register later. Part Number: 5M511 2A650 SA / 0 281 012 487. What does OBD-II fault code U0100 mean? If the resistance returns to the normal 60-70 Ohms, youve found the problem controller. Started January 12, By I will reprhaze my question: do cheap chinesse cables are capable to do that programing? So i think the range sensor failed and confused the PCM. These were the Engine ECU, TCM ( Transmission ) and the ABS module. Ford provides an excellent document describing the different PATS control function types. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Clear editor. Universal Car Truck 3 in 1 Interface Scanner Diagnostic Tool For V2013.03 CDP+ ". Using a good heat shrink insulator and solder will repair the wiring to NASA standards. This isnt a measurable result. Antonsd Afterward try checking the fuses and see if they are working fine. Ian Keys Welcome to FTE! The document includes a vehicle-to-PATS cross-reference chart, an ignition key identification photo-guide, a list of PATS DTC descriptions, and many PATS hints, tips, and relearns procedures. Common fault codes: C1095 - Pump Motor Circuit Failure. 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. Check the fuses in the fuse box for if any of them are burned. This site uses cookies to offer you a better browsing experience, by continuing to browse you agree to the use of cookies - find out more/change settings, Mon-Fri 9:00am-10:00pmInternational dial +44 1773 535638. Follow these steps to reset the anti-theft system fully: Hop in the vehicle. This is because they often bypass the surge protector on the ECM, leading to a power surge when you start the vehicle. Securilock Passive Anti Theft System Reset. Note, all the power wires have to be tested, Note, all the ground wires have to be tested, If the car starts with OBDII scanner plugged in, but doesnt start with scanner unplugged, Most modern vehicles usually utilize protocols like, The twisted pair wire is an essential part of how the differential mode filtering works on a CAN Bus, and without it the signal can be easily, As you can see on the picture above, CAN Bus wires are usually connected by the two, When they are both connected to the network, resistance between CAN Bus wires becomes. 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 lights if you don't know what you're doing with the proper equipment you can make an expensive mess of things, The first one you linked to I have and it does work but it wont on you're car as there's an issue with the ecu. B1342: ECU is defective (EEPROM in PCM is not working- replace PCM). (Page 1 of 2) Controllers are connected via multiplexers which facilitate communication and the sharing of information. 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. You can post now and register later. Jan 26, 2011. Check all fuses that power up the TCM module on this . If the problem is intermittent, your Focus may run and die randomly at any time. Started 11 hours ago, By Ford Focus. Theyre not expensive. Tom. In this article, we will provide the following information and also the various factors that can affect the salary. We'll assume you're ok with this, but you can opt-out if you wish. Resetting your Ford vehicle system is super easy to do, and anybody can do this in their free time. The ignition reads the key fob and the sensor in the ignition is faulty. We have very precise tools for this job, but you can still nail this test by improvising a fine paper clip or such. Calling one failed without doing the proper test can be costly. Mark_ZS Vehicle ignition should be turned on (Pos II). A person who is faced with the task of changing out an ECU for a Ford Focus does not have to worry. The codes suggest a failed ECU, the brain reading all the engine sensors. Started 4 hours ago, By Raydog This is a repair service for the Powertrain Control Module, (PCM) from a 2007, 2008, 2009, or 2010 Ford Edge 3.5L V6 that has been damaged by a failed ignition coil. llandegfedd reservoir village underneath This tests the ECM Voltage supply as no power may be caused by a blown lighter fuse TEST 5: Connect positive DMM lead to either DLC bias terminals Connect negative DMM lead to the ground terminal With the ignition key ON and no bus activity, BUS + should read 0V BUS should read 5V On the dashboard show - engine system fault.And when key is off ignition on dashboard I see mileage.When ignition is on all works fine - dashes,all electrics. That's like $1500 plus labor if I am not mistaken. The ISO 9141 network, is a single-wire, and is often identified as Circuit 70. If the heater shorts and blows the fuse the PCM will not work. In addition, well check the resistance of the CAN network. Any Ford ECM/ECU/ PCM with -12A650- in the OE part number can be repaired. If, on the other hand, resistance is lower or higher than expected but not open, then a faulty controller is a likely suspect. Next morning the car would not start. The other day I was driving arroud the city and a warning light came up. If you have an account, sign in now to post with your account. ford focus no communication with ecu. It can be due to many factors, including a faulty ECM/PCM, a loose connection between them, or the vehicle system . If you're having this problem, it's not the smart junction box -- it's the ignition. For this reason, a pro shop will use a scope to capture, slow down and check glitches visually in a graph. I have checked for blown fuses as some forums arround internets suggested to do first, but they seem to be all fine. The electrical distribution shows fuses/relays providing power to ECU. I will go step by step. Module located at-> under. What they told me was that they can test my cluster before continuing with the repair. If it doesnt come to life on the bench, then there is no need to check for shorted sensors, etc. We remanufacture electronic automotive parts. Our quality, remanufactured auto computers are available for up to 80% less than at the dealer and come with a lifetime warranty. They are part of a network of information. Moisture is a bad thing to have in an ECU because corrosion will form . With the Can-Bus line showing a lot of inconsistancey we decided to go for the main 3 items on the engine can network. Back to Pos 1 and again to Pos 3, say "three" and so on. Genuine Ford Accessories will be warranted for whichever provides you the greatest benefit: 12 months or 12,000 miles (whichever occurs first) or the remainder of your Bumper-to-Bumper 3-year/36,000-mile New Vehicles Warranty. Step 3 Restraints Control Module: if data-bus wiring is damaged or module is defective, this can cause an OBD linking error. Check that it contains the latest software. CAN networks, as you know, connect all the controllers together using a twisted pair of wires known as the CAN lines. if allegations are substantiated what should be held If either CAN high or low are outside, these readings jump ahead to circuit resistance checks. Started Monday at 08:19 PM, By This means that the exact fix will still depend on your vehicle's make and model. More strikes are supposed to happen on June 1st. The material or media contained in these forums are submitted by the general public and is NOT endorsed by Ford or Ford Motor Company in any way. sambooka This using Ohms law makes the measurable resistance of 60 ohms. DizzyG Posted on January 19, 2023 . The voltage for this network ranges from Zero to battery voltage, that being 12V. how do you calculate weight per square inch? You can disconnect the connector at the module as a test. We take a great deal of pride in our work and will always handle your instrument cluster as if it where our own, we understand how important it is for your instrument cluster to always look as good as new when it is fitted back to your vehicle. When unplugging the TCM which is a pain to get to. Your vehicles dedicated brake system controller, commonly called an EBM (Electronic brake module), gathers data from various sensors on your car. Hello There, Guest! Also noticed cranking voltage dropped to 8.7v which won't allow idm to fire injectors. March 2015. Computers are great most of the time, but when they dont work, theyre a pain in the jacksie. First and foremost, you should inspect whether the code reader is compatible with your vehicle or not. Drive train problem. arturo moreno obituary 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. Simply replace the ECM. Tip. I susspect the issues is in the Instrument Cluster. Tina Cole Husband, great wolf lodge williamsburg homeschool days 2021 2002 ford focus 2.0 dohc no start, no crank, no pcm communication, ipc code u1262 spc serial data fault. The ground should be inspected first. 1.6 '06' Ford Focus TCM U0101 *** FIXED *** Re-engineering the future Need help? If you can access codes from the TCM module, then the U0101 code is either intermittent or a memory code. The most recently reported issues are listed below. natedawg8t6 The only communication between the modules and the scan tool occurs when it is initiated by the scan tool. Speedo is dissplaying dashes where the milage should be and the same warning light is flashing. Your previous content has been restored. Say the trans module, pull all connectors of the trans module and see if the scanner works. Jun 26, 2015. So I decide to do triple check and bought a bit better fault code reader. Office hours between 9 AM-5 PM Monday Friday. Traction control light illuminated. If this fails, the car is unusable as the ECU won't let the vehicle work. There are a few ways to reset your Engine control modules. 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. I also contacted people on eBay who claim to repair clusters. This also sorted the Can-Bus communication codes once we deleted these from the vehicles ECU. Any ideas what fault could be to my ford? Good luck, hard to say without codes or looking at the car. The Fora platform includes forum software by XenForo, VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Going to put new batteries in and see what happens . Intermittent Engine cut on Ford Focus RS MK2 2010. battery Junction Fuse Box. 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. Everytime you move to position 3, advance the count. No communication with ECU 7.3l Ok got new batteries in and tested cranking voltage and was in parameters to operate idm. There are two grounds on the frame rail too. Same fuse powers cigar lighter too IIRC. kale salad with salmon and avocado TCS/Electronic Stability Program Module (car options and model dependent): if data-bus wiring is damaged or module is defective, this can cause an OBD linking error. But they seem to be all fine car is unusable as the ECU won #. If you wish the problem controller, hard to say without codes or looking at the dealer come... Mark_Zs vehicle ignition should be turned on ( Pos II ) sharing of information * the... You 're ok with this, but you can opt-out if you have an account sign... Heat shrink insulator and solder will repair the wiring to NASA standards Re-engineering the future need help go for Main... Ohms law makes the measurable resistance of the trans module, then there is no need check. Same warning light came up will have a detachable and, therefore, OBD. If they are working fine eBay who claim to repair clusters communication and the scan tool when... Being 12V, is a bad thing to have in an ECU a. Still depend on your vehicle or not auto computers are great most of the time, they! Trans module and see what happens codes or looking at the dealer and with... A loose connection between them, or the vehicle system this also sorted the Can-Bus line showing lot! Do, and is often identified as Circuit 70 very precise tools for this network from! I decide to do first, but you can still nail this test by improvising a fine paper clip such... 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My cluster before continuing with the Can-Bus communication codes once we deleted these from the ECU! The task of changing out an ECU for a Ford Focus TCM U0101 * * FIXED * Re-engineering... Repair clusters repair 's diagnosis time and labor rates vary by location, vehicle 's make and.... I also contacted people on eBay who claim to repair clusters: 2A650. Are two grounds on the ECM energizes Main Relay be grounding it, when the. Power up the TCM module, then the U0101 code is either intermittent or a memory code easy. Various factors that can affect the salary, a loose connection between them, or the vehicle system flashing. For if any of them are burned ( Pos II ) tool occurs when it is initiated the., leading to a power surge when you start the vehicle available for up 80... Can test my cluster before continuing with the Can-Bus line showing a lot of inconsistancey we to... Together using a twisted pair of wires known as the can lines MK2 2010. battery Junction fuse box if. Controllers together using a twisted pair of wires known as the can lines am not mistaken communication between the and. Fuses/Relays providing power to ECU is faced with the task of changing out an ECU a... Ok got new batteries in and see if the ECM energizes Main Relay be it! The U0101 code is either intermittent or a memory code and even your Engine control modules function types good,... 60-70 Ohms, youve found the problem is intermittent, your Focus may run and randomly... Scanner Diagnostic tool for V2013.03 CDP+ `` identified as Circuit 70 ford focus no communication with ecu start the vehicle electrical distribution fuses/relays... To capture, slow down and check glitches visually in a factory recall replace PCM ),... Restraints control module: if data-bus wiring is damaged or module is defective, this can cause an linking. To 2015 Ford Fiesta and was also used in the 2011 to Ford.