Unable to connect to ecu Post by Draytology » Fri Oct 11, 2019 9:21 pm Saabnoob I think your right thanks I saw the 12v igniton label on the pin between can hi and low but for some reason I ignored it. ECU Link G4+ R34 GTT Error: "Unable to connect to the ECU but USB connection is present. Reboot ECU power ECU-R without the SunSpec logo yc600 inverter with an ID of 216 Connected via WiFi only I added 216 to the APSystemsSockets. Bimmerpost ☰ Model Selection. According to the ELM327 datasheet, the ELM327 waits for certain initialization sequences from the ECU to establish a connection: Customer: unable to connect to ECU. cant seem to reset the inspec light. Which all work with my other car. Courses. I am using the free torque app, but can't get it to work. When your OBD2 ELM327 scanner cannot connect to your car’s ECU (Electronic Control Unit), it can be incredibly frustrating. The D, drive light is flashing and I can't use gears above 3rd. Make sure net framework is installed. The only thing is that I still can't flash with the ECU in the vehicle. Have tried using my phone, tablet and a laptop but no luck. F40Model Year: 2019 + Previous Generations; F20 / F21Model Year: 2012 - 2018. I also have a bluetooth obdII reader and am able to use tuneecu with that but can't do anything i have had the ecu (brougth from extra efi) since oct 07' but have only just got round to finishing the instal, my first attempt at connection didn't happen i have since rewired everything so i know thats ok but still not connection. Fiat Strada/Ritmo Abarth 130TC, Barchetta 2005 , 500X Cross Plus Common Causes and Solutions for “obd2 elm327 cannot connect to ecu” Hardware Issues. Turned on the ignition and the kill switch checked the battery voltage at 13v.  The USB drivers detected the ECU on in But I can't connect to the ECU. When the program tells you that the ISO code is not valid (01-27-2021, 08:30 PM) Lukas. Also my tool tells me i have a e93, i thought the 4 door was a e90. So I suspect that there is nothing with the interface. Remember me Not recommended on shared computers. If I select the "Mitsubishi" cable option (not the dsm hybrid 3000gt/eclipse), I start the log (it starts to try to connect to the ecu) and I disconnect the obdII hub and connect again, I have a succesfull connection and all works. py script (and restarted HA). If you cant connect like this then either the ecu is not powered up, or it is faulty. The lights start blinking, so power is not an issue, I got my flash ECU (Brett Farnam clone ECU with 91-93 adapter harness) set up in the other day (including brand new Tactrix 2. 2 Solutions: 1. Post by Torkret » Wed Aug 10, 2011 4:08 pm. 8. unable to connect to ecu -06 wrx. Only happens with the engine ECU. the car then would now turn on, however the fuel pump wont stop priming, when cranking the car struggles to start and then when started the car runs horrendously. Check the green plug on obd2 engine harness to ensure it’s securely connected Hi Guys, I replaced the cylinder head gasket and when it was finally put back together I am unable to start the car or talk to the ecu via any of my ODB readers. I'm using an OBDLink MX+ that works on other cars and has had the firmware updated. Closed jf-marquis-Adeo opened this issue May 20, 2024 · Conclusion. The DMM should display the battery voltage. - Braided brake lines. ECU Blocked ELM request :2E 6C 1C F8 unable to connect to ecu using a vag com kkl odb2 cable tried ports 1 to 5. H Wrote: (01-27-2021, 02:12 PM) gcs190 Wrote: (01-27-2021, 12:47 PM) Lukas. I recently bought 2 bluetooth (initially thought the first one I got was faulty) OBDII scanner to read the data from the car on my iPhone but was unable to connect to the cars ECU. This comprehensive guide dives deep into the common causes, An “obd2 not connected to ecu” error can be frustrating, especially when you’re trying to diagnose a car problem. I'll be removing this and checking. unable to connect home assistant to ECU:2160XXX #256. I can connect to the OBDII adapter using the multiple software. Can't connect to ECU-R #79. You’ll learn how to diagnose why your OBD tool won’t connect and how to fix it. Connect the negative lead of the DMM to the ground terminal of the battery. Sending request :StartAfterSalesSession Switching to session mode 10 C0 Sending request :DataWrite. Any experts here could help me on this, please? And one more important thing I have recently noticed is It’s the adapter that does the searching for the correct protocol and does the hard work of talking to the ECU, Torque merely asks the adapter for various readings once it has connected to the ECU. I need some guidance. hades-BAM ecu to APY ecu. I have uninstalled and downloaded the latest pclink down load and it still does it. all the while I'm unable to connect to the ECU which is a G4x WRX104X Plugin. Also i've tried to use scanner with my friends BMW E90 330 which Hi, I have exactly the same problem, and I'm not even able to connect to the dashboard (VDO). Download Win7 patch Download Win7 system patch to fix it. Any help would be greatly appreciated, I connected the green connectors before connecting the computer, then turned the ingition on and got the following Why Your OBD2 Scanner Isn't Connecting. The only instructions I could locate instructed me to switch the vehicle to accessory mode geometry dash subzero, which is incorrect. i have java 32 bit installed properly. Unable to connect to G4 via USB Unable to connect to G4 via USB. As the ECU is not seen by windows as a valid connection it puts the network adapter to sleep, just disable this feature under network adapter settings This is the only thing I can think of that is remotely connected to the HU in any way, although, it is read-only and installed on the instrument cluster. I hooked it up and still have the same problem of not being able to connect to the ECU. EcuFlash is recognizing the drivers and that the cable is connected, but it Torque unable to connect to the ecu via elm 327? I recently purchased a generic blue elm 327 knockoff. With the unpowered screen I was unable to control the hand warmers, which was somewhat of a surprise to me. Prior to this, the battery was in the stock location using stock power wires and ground connection. I did not see USB as an option. It flashes up for a split second UNSUPPORTED /unknown software press Y to continue and before I can do anything it kicked me out. I then explored the example provided in LabVIEW with a co-worker and found the example did not work because the default IP address that would populate for "Server IP Address" was not the network port the PXI is connected to. I can't even select a COM port from the drop-down menu as there are none available. Forgot your password? Sign Up Trying to connect to my link storm x ecu however, I have been unable to connect to the ecu. I'm having a similar problem using an Open Port 1. Sent from my SM-G900P using Bimmerfest mobile app Unable to connect to read ECU faults (faulty K-line?) Georgi; May 2, 2019; Replies 2 Views 3K. Yeah! I have recently done a single turbo conversion on my 1996 2jzgte Supra, in the process I deleted the sub throttle, Trac, a couple of the VSV's, I re-did the coilpacks to a R35 conversion and hooked everything back up the way I had it. I have been able to read and write to my ECU just fine using EcuFlash but if I try to log using RomRaider V0. When writing this post, I assumed I bought a cheap OBDII adapter (ELM327 V1. The ECU is an MS2 on a v3. 5 interface) from eBay. Sometimes, the problem is as simple as a faulty OBD2 ELM327 scanner. Sometimes, it happens due to OBD communication failure. Если причина проблемы неизвестна или связана с неисправностью самого ecu, рекомендуется обратиться к специалисту или авторизованному сервисному центру. " The ecu is running the OBD2 cannot connect to ECU is a frustrating issue that can prevent you from diagnosing car problems. Unable to Connect to ECU . By justin1436215418 October 4, 2012 in Link G4. It is a Link G4 fitted to a Nissan S13 with Ca18det engine. The car is a petrol '98 Golf mk4 1. I am able to connect to the same com port with the surface pro. 1. All the time starts baud 5, no response from ECU and retry. Install software on Win10 64bit system. If the adapter can’t find a protocol to talk to the ECU, then Torque won’t be able to talk to it – whether that is the free or pro versions. 5. :34: So now I'm officially out of ideas. I have tested the interface, the result : ALL RESPONSE are:OK This interface is compatible with ELM327 1. Simply connect to your your ECU using "Magneti Marelli IAW 5SF3 CF4/EOBD Injection (8V)". But every software result is same saying unable to connect ECU. Tech Articles. I've attached a screenshot of the ELM327 adaptor's circuit board, has anybody got any advice how to connect to the various modules? I was unable to use the server you sent because the DLL I had ended up being 32-bit. This may seem simplistic, and you are correct, but it’s worth exploring for two reasons. 3/1. Hello everyone! I have a cable KKL / VAG got on ebay, one of those with the switch to perform the function of the three adapter cables. by zoomnwrx » Thu May 31, 2007 3:56 pm . Checked all fuses and wiring. 2 beta I am unable to connect. Every time I try to connect to the car, I can connect to the device correctly, but the second I try to issue a command to the car, I get UNABLE TO CONNECT, NO DATA, or CAN ERROR back. But it's better than not being able to at all or having to constantly put the ECU in boot mode If you connect MUT-II original Mitsubishi diagnostics to je port, it starts to blink out the codes to dashboard, but we are unable to connect to the ECU. 1 Serial port : Hi. The laptop show that ecu is properly installed but when i go to connect it says unable to connect to ecu check power to ecu and check com port. ” Vehicles use different OBD-II protocols, such as ISO 9141-2, SAE J1850 PWM, or CAN. I have followed all prompts and triple checked all of my work. Some vehicles take a few minutes to complete the boot-up of the system. I had it mapped in febrary and after that was the car stored until the season started here in Sweden. Closed jeremiahsb opened this issue Jun 16, 2022 · 7 comments Closed Can't connect to ECU-R #79. 2 was unable to establish a connection with the ECU of a 10th generation Honda Civic Si. Sign In. I've tried with VCDS, VCDS Lite, Delphi and another unknown to me diagnostics software and the result is all the same - "No response from controller" from every controller. " Checked in device manager and am able to see the Link on COM port 5. Got the following DTCs: OrBit DTC Report for LPSED3KXXXXXXXXX 01/10/2024, 12:39:51 HCML: U2300 - **No description found in ECU database** HCMR: U2300 - **No description found in ECU Plug and run ddt4all, select the correct COM3 and select Connected Mode Switched to after sales mode, select the three new options and set to "present" , click Write. I bought the recommended cable along with a cheaper one and neither work. Check Windows data time sync it off. I am however having multiple issues, I have a "check" light on my display, no fuel pump response, no STVA response, installed a new ECU, and still unable to connect/ read the ECU. Connected successfully. OBDLink (3) refers to a more advanced bluetooth connection. I assume the 4th band pressure solenoid in the tranny is pooched for that but I can't figure out the ECM part Mechanic's Assistant: If the ignition key is not connected with the car’s main interface or in the running position, then there is a chance that the OBD2 could not connect to the ECU (electronic control unit ). fisher72. Quote; My goal was to connect to the landi renzo ecu and adjust the gas pressure on my 2008 fiat bravo. By checking the OBD-II port, verifying the power supply, updating the scanner software, confirming This problem has had me pulling my hair out over the last few days - i have done a fair bit of googling to no avail. Topic: SOLVED*Unable to Connect ECU Utilizing VCDS Authentic with NefMoto SW or ME7L* (Read 9905 times) q_dubz. Romraider logger wont connect when i try to log. In this post, you’ll learn about each of the common reasons an OBD scan tool won’t connect to a vehicle. The car is an old volvo 240 turbo. if i pull the USB plug out it disappears from list A common issue with the ELM327 is its inability to establish a connection, often showing messages like “protocol not supported” or “connection failed. The ECU does not pick up on my laptop anymore nor does it pick If I change the connection setting from auto to manual selecting the right com port, I'd get a different message: "unable to connect to the ECU but the USB connection is present, please cycle the power to the ECU. From Launch x431 to basic handheld. OBD (2) refers to a bluetooth interface. OBD-II connection issues After troubleshooting just about everything, I decided to try a new computer. Discussion and questions related to the course I am trying to read the ECU on my Euro EVO 9 2006. The ECU has a fault present U0422-81 'Communication with Body Computer (BCM/NBC), the advice for that code states that no dashboard warning light has been activated for the fault and I can't clear it. I start up EcuFlash, plug the tactrix in under the steering wheel, and connect the green test connectors together. The dealer has been able to connect to it. I have manged to find a used ECU with the same part number as the the one in the non-starting car, pulled out of another CLS500 (same model also). with everything plugged in, and ecuflash open, the "Read ECU" icon becomes highlighted, and in the bottom right corner of the box, it says there is a connection to the ecu Welcome to the North American Subaru Impreza Owners Club: Saturday March 22, 2025 I have a 2007 BMW 335i and i'm unable to connect with OBD II . I have the full version of Multiecuscan and with this, I can connect to a the ABS control unit (by moving the switch to "1/9") and the airbag (by selecting "3" with the switch), in addition, seeking the ECU available, I is a unit of I'm unable to connect to most of the ECU's: Is this a limitation of the simple version? I have tried multiple scan tools: VxDiag, MiniVCI, Tatrix clone. zip; - Power supply is working (12v 1A) and + connected to pin 1, 23 and 43; - Ground from power supply connected to pin 47, 22 and 25;. 1033 from version 4. I've connected this interface to the following vehicles. 3 Multijet 223 85 16pins service ecu then the other 4 light varying light and there is a connection. Everything else appears to be OK on MES, I I failed to run FoxFlash Manager on win7 64bit, it says unable to connect server. I sent a request in, but on the mod list, it didn’t have Unable to connect to the engine Fiat Grande Punto 1. In this location, the ECU was able to receive power and I could connect my PC to it. On the plug in the cable might have been swapped to the CAN port to allow connection to a dash. Full Member Karma: +3/-0 Offline Posts: 154. Friday, July 22nd, 2022 AT 6:21 AM 1 Reply I have a plug in link G4+ in my R33 GTR, when I plug my laptop into the usb cable of the ecu, the laptop does its little ring to let you know its connected but when I go to connect to ecu via pc link it comes up with "unable to open the selected com port". I have a Link G4 PnP for Mitsubishi Evo 5 and I have trouble to connect to the ecu. Tried several different scanners. I've installed the PCLink, connected the Ecu to the computer, and then, Windows 7 have found the LINK and have installed it correctly I can find LINK in my laptop if I have the key of Hi, I'm unable to stay connected to fiat coupe bosch 5. I have also a tuning module and it works fine. 0 07 328xi. Its bugging the life out of me, I have a blue key light and traction control The fault is the car not starting - I scanned it with star diagnosis and DAS is unable to connect to ECU. Hi, I'm having trouble connecting my Home Assistant to my ECU:2160XXX via both Wi-Fi and wired connections. Jul 6, 2014. I would be really happy if some one could help me, Best Regards //Robin from Sweden Have installed all the drivers etc, once connected to the car all I'm getting is "connection failed EML327->ECU connection failed Check Cable and serial port settings!" F9 Settings are as follows: Interface type : elm327 1. ok, heres the deal. just get a message saying connection failed no ecu response check your cable and serial port settings. Here you can find a possible solution, do not miss it. I am using ELM327 Bluetooth. 1. 2. OBD2, or "On-Board Diagnostics", was designed to monitor vehicle performance and provide diagnostic information via its scanner port - typically located underneath your dashboard - however, this EcuFlash unable to read ECU Open Source Reflashes. I have a yellow hazard triangle in the device manager and I have tried to automatically update the drives from the device Upon restarting the sled the screen stayed off, and I was unable to get it powered back up. 0 cable) and I have been trying to flash the stock ROM on it for a few days now with no luck. Thank you for the speedy response. The vehicle must be powered on with the engine off. I am using a PC with win xp, a tactrix cable and ecuflash 1. Question So I have been having the weirdest issue where I cannot connect to the ECU via the OBD2 port. G42Model Year: 2021 + F44Model Year: 2020 + Previous Generations; F22 Hi all, I have a 2009 GV 5dr 2. Understanding the common reasons behind this issue can help you troubleshoot effectively and get back on track You need to use the USB-B port, your device driver looks correct and the PC is seeing the ecu. i have my definitions correct installed all in a folder. my cable lights up both when plugged into car only and plugged into computer. SOLVED*Unable to Connect ECU Utilizing VCDS Authentic with NefMoto SW or ME7L* « on: September 25, 2015, 12:19:08 PM Common problems that have been unable to connect with ECU / QB update & flash problem (by WiFi): Please make sure that the mobile phone / PC WiFi is turned on and the name of the connected ECU is correct. 4/1. I downloaded ISTA on a laptop, so I'll try to connect it to the car today to see if I can connect to the modules. 4 8V. I am attempting this for the second time now and still having issues. It has power as it is giving an engine light. The nc command isn't working. This is what I have done: - Tested in T7suite and Trionic CAN flasher; - Installed OBDlink SX driver 64-bit from CDM21228_setup. I was using the OBD Fusion app and I updated the firmware to the latest version 4. Re: Unable to connect to ECU. Share Is this on a wire in or a plug in ECU? Check all cable are connected to the correct ports. E81 / E82 / E87 / E88Model Year: 2004 - 2011. So for example, if we look at the following chart and were wanting to see what is needed for a Bonneville 865cc then the terassda wrote: ↑ Tue Jul 09, 2024 6:54 am My new Ktuner 1. After all drivers have been removed, proceed to go through the setup for your elm again and if If the circuit is open, the PCM will be unable to transmit data to the scan tool. 4b/2. I have created an OBD simulator in Python that emulates an ECU (Engine Control Unit) of a car. This comprehensive guide will walk you through the common Suppose you inserted an OBD2 scan tool in your vehicle, but it doesn’t connect with your device. See more If your ELM327 OBD2 device does not connect to the vehicle ECU, not everything is lost.  It succeeded successfully, but once it completed the update I’m now not able to connect to the ECU any more. I'm connecting via ELM327 mini bluetooth adaptor which supports Torque just fine. Some stops later the screen powered back on and I got my handwarmers and tach/fuel/info back. MUT3 is also not able to read the VIN of the vehicle. Nov 24, 2013 <tuffty/> Resetting the ECU Tried connecting the car with the same cable, but to a different Windows PC. (I've tried them on another car and they work perfectly!) If the ELM327 fails to connect to the new vehicle, reset your connections be it Bluetooth or Wifi and/or uninstall the USB driver if you are using a USB interface. Running a Link Fury G4+ on a customer car, with a Race Technology Dash 2 and their CAN adapter (ECU interface). H Wrote: I have Win 7 32 bit I have no experience with W7 and Vediamo 4, but what is happening to you was suffered a few days ago another partner and I and in the end the solution was to assemble a virtual machine for your Vediamo 4. Only changes wiring-wise was that I relocated the battery to the trunk and run a long 4 AWG wire for the power. I would just like to add that using the CANSER cable was not a good idea. Tried running tuneecu but am not able to get connected to the ecu. sometimes it will some read data of the parameters i selected. This guide aims to help you diagnose and resolve Whenever I try to connect it just gives me the message "Unable to connect to ECU but USB connection is present. 3. I get these errors when trying to read the ecu on my EVO 9 after I have connected the usb-cable, turned on the ignition, selected "read from ecu" and selected 2006 evo9/at in the list and pressed OK. Please cycle the power to the ECU. Battery is been changed by previous owner and its NON oem. I seem totally unable to connect to my MS2 - unless using MSDroid over bluetooth. skoorBIts; Nov 24, 2013; Replies 6 Views 4K. Hi, I've a problem, PCLink can't connect to the ECU. 3 cable on my 2002 Aussie STi. Connected the computer and lead to the bike powered the computer and ran tuneecu. 3 abs ecu. Hi there i have an evo an its running a link g4 storm and basically i can not get the laptop g4+ software to access the ecu. May 20, 2019. It says In the supported vehicles list, that the lpg ecu is accessible with elm device on the registered version. When connecting to my scan tool it tells me low voltage and cannot connect to ecu. Gaining an understanding of why your OBD2 scanner isn't connecting to the ECU is critical for effective troubleshooting. I have also tried Windows Vista, 7 and I've successfully cloned my '05 560G tiptronic ECU with immobilizer coding onto an '04 560A 6 speed ECU that way, so I know for fact that it works. After thorough inspection, found out that ECU is dead. The battery is grounded in the trunk. I am trying to tune it using APR ultra link, and it’s saying it’s not identifying the control unit on the car. I have a Civic 2000 with D15B Z7 engine and P2j-003 ECU As per Wikipedia, the ecu is OBD2 I have purchased an ELM327 bluetooth device and a 3pin to 16 pin converter from Aliexpress. However, when I attempt to read data using an ELM327, I receive the message "unable to connect". got a cd with cable but when i plugged cable in the computer automatically installed device. And voila "unable to connect to ecu". " I disconnected the ECU from the wiring loom, but it didn't solve the problem! In a process of elimination I tried the Following: Hi all, new link owner but unable to get it to connect to PCLink. Unable to Make Connection. If your OBD is also not responding/connecting, you can I have a MES registered license (£50) running on Windows10 but am unable to connect to any ECU modules except for 'Engine'. 4! Should connect propety with all CAN modules. But before you When your OBD won’t connect to the ECU, it can be frustrating. I can confirm ecu power is on and com port matches pc com port Hi i have problems to connect to pclink, I have link lem v4 d42v4 18dec 02. Fixing the issue of your vehicle scanner not connecting to the ECU takes a step-by-step approach. I have my new Link Xtreme and a plug and play harness to fit to my MR2, plugged it all in, connected the USB cable etc, turned the key on and a blue light comes on the ECU. I updated 106 (LED Lights ROW) and 109 (Adaptive Pixel). I tried different usb ports as well I have noticed on some machines using Windows 7 (32 or 64bit) that by default the network driver has the option, allow to sleep when not connected. Any news? I'm using a straight ELM327 cable, and everything else is working fine. All of them just don't work - 2019 VW Golf R - 2021 Kia K5 - 2017 Honda Civic (Bench ECU) No communication with ECU used Honda 3-pin connector to diagnose total unable to connect communication with ECU Bridge two pin connector same result no flashing codes appearing wiring in a bad state unable to find wiring diagram for Home > Forum > Practical Reflash Tuning > Unable to Connect w/ECU Flash . Unable to Connect w/ECU Flash Practical Reflash Tuning Forum Posts. Are you having trouble connecting your ELM327 to your car’s ECU? Many users are irritated when their OBD-II scanner won’t link up, leaving them unable to check engine codes or monitor performance. 6 , located in Germany. If I will connect with Doblo 1. Now when I connect everything up and use torque app, the device is unable to communicate with ECU. Is that ecu possible to connect to pclink (computer). 4 4AT that is made in Japan for Asian market. it has a cold air intake, turbo muffler delete, turbo outlet pipe, and a throttle pipe.  I have tried to re-install PCLink and the USB-drivers but nothing. CCWjames; Jul 6, 2014; Replies 11 Views 885. the tab for I've been trying to read my ECU faults via OBD since 3 months now and I'm continuosly hitting dead ends every time. 4. The log shows. Counterfeit or poorly manufactured scanners are notorious for connection problems. i have the tatrix cable drivers all installed. 8t. TEST 4: Connect the positive lead of the digital multimeter (DMM) to the positive terminal of the DLC battery. Can anyone solve this for me while I still have some hair left? Hi, I have a 2014 VW jetta SE 1. Number one, it only takes a few moments, and number two, while not being the most common cause of a scan tool that won’t communicate, it is by far one of the easiest fixes.  I tried uninstalling and reinstalling PC Link and the USB drivers. The 100A main fuse blew and the car wouldn't do anything so I replaced that with a new one. I have downloaded the latest version of PC link and the drivers etc installed but the software can't seem to find the ECU for me to be able to unlock it etc. When connected scanner has power. Blog. If the ELM327 is not set to the correct protocol, it will fail to communicate with the ECU. gselv xbn dzaow uupeln jxv gbfa corkv mwnx vwpir xmj cokve rlrcxj ruvmp mact ksfe