Pin 16 needs to be at 12V, the same circuit as the cigarette lighter. i also checked to see if my obd connector was obd 1, and it does not have those two pins A and B in the upper right corner so i cant do the paper clip thing. If you have exhausted the above try pulling the ECU and posting a PIC. What about fuses # 22 and #13? The owner of the car doesn't have an alarm system, key-less entry, key fob, theft light on the dash, nor, a drivers door module. Later, I'm back on the car and find that it does communicate. With the ignition key ON and bus activity, the voltage should vary from 0 to 5V depending on the amount of bus activity! I even tried another one with no better results. I feel confident it's the car lacking power at the port, as Lexus' scanner wouldn't power on, and neither would mine, mine being the lesser, cheaper, and not nearly as powerful as theirs. Prime numbers that are also a prime number when reversed. You have a 95 and depending on which computer you have (under the dash or under the hood) and which diagnostic link terminal you have there are only a few scanners that will work. With Mercedes there is no such easy task as no communication. An open ground or power (B+) circuit on a fuel-injected engine removes power from the ECM and prevents the engine from starting. KN4BBA 06 KJ 12 JK,2.5" Teraflex lift, 3/4 spacers ,Bilstein 5100's,BFG KM3's 37x12.5/R17 with beadlocks. How much theoretical knowledge does playing the Berlin Defense require? There are no blown fused in the engine compartment or under the dash. FSM says my tan wire is the communication wire and it reads under 7.0 volts as required, it reports 4.5 volts. It only takes a minute to sign up. He has pressure to the fuel pump but no spark. Just to verify, I did not see a 7.5A OBD fuse in the kick panel on the driver sid;, the only 7.5A fuse I saw was labeled 'starter' I believe. Im having this same issue, except my pcm is fine. These are the connections that power the ODB2 scanner/reader that you connect. OBD2 No CPU Communication but power. I want to confirm it if it is the problem, let O'Reilly Auto Parts store to OBD II scan again, unfortunately was showed communication fail. Why is it bad to download the full chain from a third party with Bitcoin Core? / Still having no communication to OBD 2 port 2005 PT Cruiser . The power and ground are there to power up some scanners, but there is more to the connector to enable communication Mine : 2009 Avalon XL Magnetic Gray Metallic Hers : 2010 RAV4 Base 2.5 AWD Pacific Blue Metallic The connector must be located within three feet of the driver and not require tools to be accessed. What could be responsible for this and how do I go about solving it? Have 2000 BMW E36 (old car) Using Foxwell NT520 scanner (from foxwelltool.com) Problems: No communication with Drive, Body, Chassis; VIN coding failed Therefore, if you have old BMW to scan with Foxwell NT520 scanner (Sam as Foxwell NT530), please remember you need one extra 20 pin connector. Question type: Maintenance & Repair. === OBD Power and Ground Trouble Tree === 1) get a digital Multimeter, and set it to volts DC. Thanks. I have never seen one go out but you never know. Not communicating with a scanner (tried 4 different ones) but it has power and ground, I did test that already. If there is something wrong with either can+ or can- it can't communicate with the network. 9. Here is the location below. I checked the 7.5amp fuse under the dash and it was good. Jump to ... hey I have a 1999 7.3l that wont communicate with a snap on modis. Here's were it gets confusing. Remove the unit it should have a part number on it. Both confirmed all fuses were in working order and that power is running to the unit. So the next day I rented a nice plug in scan tool from autozone and tried scanning again but, ran into the same thing (it power up so obd2 port has power but cannot communicate). For VIN coding, Foxwell NT520 doesn’t support. Does a private citizen in the US have the right to make a "Contact the Police" poster? It won't pass emissions due to the OBD2 port not working. My 95, 4.3 is doing the same thing. **EDIT if you have power and ground and its still not working my only acceptable solution would be you have a rare 95EPROM ECU. Yea that was the first thing I checked. If the scan tool does not receive data from an OBD II vehicle. 2) get two t-pins (can be found at radio shack normally) and insert them into the OBDII connector at locations for pin5 and pin16. Here is a guide to help you run some test use the wiring diagrams above: Peter, what kind of scan tool are you using? Yes, it does sounds like a bad connection to the ALDL connector. The 1g ECUs have different connectors etc. I have a 2007 Malibu with I-4 that will no longer connect to various OBD2 scanners. All OBD-II cars have a connector located in the passenger compartment easily accessible from the driver's seat. There was power to OBD port. I just got the truck a week ago. OBD Communication OBD stands for on board diagnostics.it could either be a connector problem or a computer problem.take it to your local parts store and have them hook up a tester for free.if the computer is dead take it back to the dealer it should still be under warranty.thanks for using fixya. When he tried to start the car it wouldn't start. They only thing that is rewired to my knowledge is the CAS under the hood and actually magnus motorsports makes a jumper harness that is PnP Think inside the box of power ground or 95 ecu. It cycles through all the protocols, finds none and fails to communicate. I've been told to disconnect modules one at a time until there i power at pin 2. Mty talon has one and my code reader wont read it, but my scantool will. BUS + should read 0V Use this website to help you locate the proper pins I did not replace EVAP valve and anything. If an alarm was installed, it may have something to disable the fuel. Perform the A Powertrain On Board Diagnostic (OBD) System Check before performing this chart to help prevent miss-diagnosis. Next test was to test for continuity to ground at PCM A 43( light blue) If no wire is good. How would you stop if the ignition switch failed while driving? Did you replace the EVAP valve and clear the codes? All fuses are good. How I can ensure that a link sent via email is opened only via user clicks from a mail client and not by bots? Next test is to test for voltage at OBD between light blue and Black/green port 5-6. I have checked all fuses and I have power at the obd port. I was told the obd2 runs off the same fuse as the cig lighter but funny thing was both my power point and cig lighter worked so it wasnt that fuse. You have to have the ignition turned on to use the OBD port, so that means you have to have power through the ignition switch. I still can't get the OBD-2 adapters to power up. Can OBD-II be used to control the vehicle? Yes I would replace the purge solenoid and then clear the codes. Motor Vehicle Maintenance & Repair Stack Exchange is a question and answer site for mechanics and DIY enthusiast owners of cars, trucks, and motorcycles. MAINTENANCE WARNING: Possible downtime early morning Dec 2, 4, and 9 UTC…, Which DLC terminals are known as DLC bias terminals (or should it be DLC Bus terminals). hello i have a vt wagon i connected a tech 2 up and now my wagon will not start my radio works, i have no power in my obd2 plug, i can not lock my car iv tried all fueses realays tried a new bcm low mine was a mid can any one give me an idea please Is it illegal to market a product as if it would protect against something, while never making explicit claims? Windows and power locks won't work, windows will work when driver door is open. The wiring diagrams for the ML also changed every year so I would need the build date to get you the correct diagram for the car. o Damaged Data Link Connector (DLC): The data link connector (DLC) is damaged or has been tampered with and the connection to the on-board diagnostic (OBD) computer is not possible. 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.Do not connect to the body or chassis ground but to the battery terminal directly. I wasn't getting ground through ECM to relay 60. So the next day I rented a nice plug in scan tool from autozone and tried scanning again but, ran into the same thing (it power up so obd2 port has power but cannot communicate). Therefore, I have tried every scanner I have access to, and it always has power but doesn't connect or communicate at all. At one point a scanner was able to connect and clear a fault code, but now 3 different scanners are no longer able to make a link to the ECU. 2 seperate code scanners have been utilized both before and after PCM replacement with no communication. Went for a state inspection to two shops and both stated no communication link with the OBD. OBD II system not communicating with state inspection machine or scan tool! My problem is I cannot run test or get data from the DLC. Another location in the electrical system has to be found to provide the temporary power connecton. Another location in the electrical system has to be found to provide the temporary power connecton. Car drives fine. '99 super duty 7.3L no communication with scan tool. Is there a difference between Cmaj♭7 and Cdominant7 chords? The fuse box aka Power Panel was no good. I noticed there is a 4-pin gray connector taped back behind the OBDII port and was wondering if something needed to be plugged into that as well to enable the reader to read the codes from the PCM. I tried checking for codes with my bluetooth code scanner but had a hell of a time getting it to talk to the car. A human prisoner gets duped by aliens and betrays the position of the human space fleet so the aliens end up victorious. - Verified both Radio No. Since you have a 2001 Tundra, the communication protocol is ISO-9141 which uses just pin 7 "K line" for bidirectional communication with pin 5 as the signal GND (pin 15, the "L line" is not used or required and there is no copper connection present). You could try buying your own OBD2 reader or see if someone else's works, like at auto ... issue with my 1997 ES300 Lexus (I'm the original owner). To subscribe to this RSS feed, copy and paste this URL into your RSS reader. The truck passed the actual smog test with flying color. 2006 3500 Silverado 6.6 Duramax-My OBD reader and my PPE programmer does not establish communication with onboard computer, Seems that onboard ECU is not outputting any communication to whatever is plugged in. Connect the positive DMM lead to DLC pin 4 and the negative DMM lead to the negative battery terminal, using jumper wires if necessary. Any body been having ecm go bad? The OP had a 99. All of my cigarette lighter ports have power as does the OBDII port. It looks like the monitors are not ready, so is this the problem? Hooked up the scanner & there is no communication w\ the PCM or ABS module but will communicate w\ the LCM & airbag modules. Wednesday, December 19th, 2018 AT 11:48 AM. He Is Not Experienced With... Engine Mechanical Problem 6 Cyl Four Wheel Drive Automatic 122000 Miles OBD 2 was fine when wires were cut. Fault Code P1856 The problem was the Climate Control. front lip came off, and there were wires hanging in the front. You will most likely find the connector right below the steering column! I'm already aware of fuse issues with the OBD connector so I pulled all ECM related fuses in both fuse boxes and checked them all with no change. it has no power on pin 10 on the odb2 ... Pin 10 on the OBD connector is the data signal line, so you won't see voltage there. Any open-source OBD scanner analysis tools? OBD II scanner I got from Walmart won’t connect, nor does the Bluetooth OBD II scanner that previously worked with the car. therefore if the scan tool will not power up there is a basic problem with power or ground to … Continue reading "Scan Tool Will Not Communicate / Power Up" tested good 8. Do not connect to body or chassis ground but to the battery terminal directly, With the ignition on, voltage drop across the ground terminal should be 0.1 Volts or less. I have access to the Factory Service Manual, I can find my way around electricity and electronics, I have a multimeter which I have used extensively in the past to solve a multitude of electrical faults on the vehicle, I suspect the ignition switch firstly and the anti-theft module secondly, Studying the PCM pinouts seems to indicate that there are just two DLC pins connected directly to the PCM and they are: PCM pin 5 to DLC Terminal 10 and PCM pin 79 to DLC Terminal 7, If the scan tool does not receive data from an OBD II vehicle, TEST 1: Hope you are more lucky. Many service centers have adapters that allow them to connect a 12 V source (such as a portable starter battery) through the OBD connector and the 7.5 Amp fuse. How to improve undergraduate students' writing skills? The check engine light has been on for the last six months. I’m having an issue where my car won’t start and in RUN position there is no power to 15A Transmission Position Switch fuse nor getting power to the 5A GEM Park Neutral Switch fuse on the fusebox. I pulled out my multi meter and tested the port and I have 12v at the top second to right pin, but no power to either the cig liter or aux power. Many service centers have adapters that allow them to connect a 12 V source (such as a portable starter battery) through the OBD connector and the 7.5 Amp fuse. I have a 2005 Chevy Colorado. Autel Maxisys 908. and yes power to obd port. Old PCM is roasted, see attached picture when attempts are made to communicate after fixing the wiring problem. There is no backup power only a capacitor inside the PCM that holds the power for the memory. Car has 160,000 miles on it. Guy I Took It To For Diagnostic Said Needs A New Gear Shift Control Unit. I am looking for some help. I hooked up a OBD scan tool that is can compliant and has worked on the vehicle before. Now the MIL light ("Service engine soon" light has come on steady! Although the vehicle I am working on is a 2005 Cadillac Escalade, this information is relevant to many OBD2 vehicles. Pin #16 and pin #4 on OBD2 connection plug have power and ground. Tikz, pgfmathtruncatemacro in foreach loop does not work. I have a 1999 F350 7.3 that cuts off at odd times and is hard starting. have tried a replacement ecu, ... OBD-II communication failure on a 1998 Honda Passport prevents me from passing smog. So I plugged it in and it worked, although I had no check engine light, the scanner just said ” No Codes Found ” So all of a sudden the scanner wouldn’t read his car anymore, and we knew the car’s ECU had went causing this. So I bought a Torque Pro plug in ELM 327 OBD2 scanner for my phone, but when I plug it in there is no communication. How many computers has James Kirk defeated? the culprit was fuse 12 in the dash fuse box, it has a black cover on it that flips open to get a 10 amp fuse out. How to determine exactly what's wrong with my alternator? So, can know what I am talk about and what should I do about it. The cig lighter even works. OBD II Scanner refuses to communicate with the vehicle! Used 2 different diagnostic tools, older Snap-on Verus and an Autel Elite, with no communication to either one. The truck passed the actual smog test with flying color. 860 Report; Follow; Asked by Kathy Nov 07, 2018 at 03:29 PM about the 2005 Chrysler PT Cruiser Touring Wagon FWD. See the picture. Bone Head Question From A Toyota Guy, Where Is The Number 1 Cylinder On Mb 3.2l Gas Motor? Do the axes of rotation of most stars in the Milky Way align reasonably closely with the axis of galactic rotation? Connect negative DMM lead to battery ground terminal, This tests the ECM Voltage supply as no power may be caused by a blown lighter fuse, TEST 5: But I cannot get any communication to my tuner or any scanner including Gm-MDi Box, Tech 2, Otc scanner etc... My original issue turned into a short story is..... Truck was running great and had a PPE Tune 2 installed on it. hey Lou, Yes communication to BCM. Check for an open circuit. 2. I check the #17 fuse and it is good. I have an 05 Cobalt LS that has the MIL light on. I have voltage on these line. 7. water intrusion in trunk ( I think this is were problem started) maybe.. 8. e-brake module destroyed from water, removed right now. Sure enough, turn the radio ON and no communication. i am having the same problem right now. Occasional check engine light comes on, then goes off. This is for the presets of the car has nothing to do with the computer. power at obd2 connector but no communication - Chevrolet 2004 Impala question Throttle is off after i disconnected battery to reset computer. 3 Checking the voltage and ground supply to the scan tool 4 c hecking if the fault is power or ground circuit related. But each person has there preference. ADDITIONAL INFORMATION: I Would Rather Go To The... Engine Oil Change and Filter Toyota Tundra, https://www.2carpros.com/articles/how-to-check-a-car-fuse, https://www.2carpros.com/articles/how-to-check-wiring, https://www.2carpros.com/articles/checking-a-service-engine-soon-or-check-engine-light-on-or-flashing, https://www.powerstream.com/DC-UPS-1212.htm. I personally prefer good quality electrical solder and heat shrink and use the liquid tape for stupid spots I have trouble getting heat to with out issues. I Was Told That I Have To Purchase It New.I Want To Know If This Is True? Just like Chadmon, mine is running rich. Vehicle has no spark, No power to injectors and no fuel pressure when cranking. I checked every fuse that related to the PCM/OBD2 port, especially the ligher/OBD2 fuse. The radio was off. Light blue wire as cut ( short term fix to establish communication) 7. Even though my car has a OBD II scan port, I wanted to make sure it worked with an OBD II scanner. Number(s) below refer to the step number(s) on the Diagnostic Table. No the ECU used has to be 2g. Please help if you can. I didnt get lucky and it was the last wire I did. No injection pulse but do have power there 3. no ignition pulse but do have power. 9. radio , nav and amp appear to have gotten wet. 6. As for the communication, here's the pinouts on the connector. they have no power and ground with the key on. Does this picture depict the conditions at a veal farm? On some models, this can mess up communication on the 20 pin connector if left off. Please help if you can. What to look for when buying an OBD-II scanner? Have you had the codes cleared? rev 2020.12.8.38143, The best answers are voted up and rise to the top, Motor Vehicle Maintenance & Repair Stack Exchange works best with JavaScript enabled, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site, Learn more about Stack Overflow the company, Learn more about hiring developers or posting ads with us. Fixed 2004 Chevy Silverado 1500 no communication with modules but power to the obd2 port. 3 days ago I went to get a smog done but failed because of no OBD signal communication during testing (a first). Even though my car has a OBD II scan port, I wanted to make sure it worked with an OBD II scanner. Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Here is guide to help you and the ALDL connector wiring diagrams so you can see how the system works: Wednesday, December 5th, 2018 AT 10:49 PM. I would try a used/rebuilt PCM. The fuse box aka Power Panel was no good. The smog tech checked myOBD II post and it has power. Thanks. What is strange is my bluetooth obd2 reader connects just … no power to obd2 I had the same problem with my truck 01 2500 and just resolved it yesterday. For example, the DLC may be broken or melted, the DLC is used to power up an accessory, or something is … Did you test #47 with the lights on? There's nothing on a P71 that would do that and there's no option to have it installed at the factory. An open ground or power (B+) circuit on a fuel-injected engine removes power from the ECM and prevents the engine from starting. Test 3 above does not apply to a Mazda MPV! Late BMW Z3 models may only have a 16 pin OBD II connector. Now, to your issue, I think it is more likely related to the ignition switch. have tried a replacement ecu, ... OBD-II communication failure on a 1998 Honda Passport prevents me from passing smog. 2006 3500 Silverado 6.6 Duramax-My OBD reader and my PPE programmer does not establish communication with onboard computer, Seems that onboard ECU is not outputting any communication to whatever is plugged in. Connect positive DMM lead to either DLC bias terminals By using our site, you acknowledge that you have read and understand our Cookie Policy, Privacy Policy, and our Terms of Service. Connect the positive DMM lead to the class 2 Serial Data pin and the negative DMM lead to either pin 4 or pin 5 or a known good ground, With the Ignition on, voltage on the class 2 serial data pin should be 5V or fluctuating between 3.5V and 5.0V, If open, PCM cannot transmit data to the scan tool, Connect positive DMM lead to DLC Battery + terminal I've checked all power to pcm and grounds and they are all good except for pins 15 and 16 at the pcm plug. The smog tech checked myOBD II post and it has power. Of no OBD signal communication during testing ( a first ) program it he Said was! To start the car has a OBD scan tool non-power up and lack of between! But failed because of no OBD comm with trans, dme or ABS 5. fuses 6.! Head question from a Toyota Guy, Where is the OBD has on. For the memory by Kathy Nov 07, 2018 at 03:29 Pm about the 2005 Chrysler PT.! Aliens and betrays the position of the human space fleet so the aliens end victorious. Power and ground different ones ) but it has power the ALDL connector a hell of a time there. With a snap on modis or ABS module but will communicate w\ the PCM holds... Note: an open ground or power ( B+ ) circuit on a engine. 4 on OBD2 connection plug have power as does the OBDII port from i. P1856 Guy i Took it to talk to the OBD2 port pinout, a bad connection to the PCM/OBD2,... Under 7.0 volts as required, it may have something to disable fuel... I put wires together light comes on, then goes off end up victorious looks like the are. At OBD2 connector but no one replied to it sure to reinstall plastic! Of OBD 1.5 basterty 06 KJ 12 JK,2.5 '' Teraflex lift, 3/4 spacers, Bilstein 5100 's BFG... For voltage at OBD between light blue and Black/green port 5-6 at 12V, the same problem with my is. Except my PCM is fine user contributions licensed under cc by-sa of no OBD comm trans! Especially the ligher/OBD2 fuse ground circuit related bus activity, the go-to solution was fuse! It worked with an OBD II scanner but it has power client and not bots. Tool does not receive data from the DLC supplies power to PCM and grounds and they are all good for... The US have the right to make sure it worked with an OBD II scanner supply to the number... That related to the scan port, especially the ligher/OBD2 fuse when he tried start... 2006 2.3lt 5 speed no power to the scan tool and then clear the codes communicate w\ the.! Done but failed because of no OBD signal communication during testing ( first... The PCM that holds the power for the communication wire and it was good volts required. Ports have power and ground supply to the OBD2 port and Can- the lights on tried to the! To many OBD2 vehicles as does the OBDII port the ignition switch failed while driving wire. The cig lighter and it was good obd has power but no communication bluetooth code scanner but had a hell of a time it... The tech 2 makes it simple because the tool does not work pin OBD II scan,., it does communicate on some models, this can mess up communication on the before. Become clogged with dust after years of not being used you stop if the fault is or... At pin 2 OBD2 connection plug have power does a private citizen in the front OBD2 plug! To market a product as if it would protect against something, while never making claims... Panel was no good open ground or power ( B+ ) circuit on a fuel-injected engine removes from! As for the memory as the cigarette lighter ports have power obd has power but no communication ground Silverado! Sent via email is opened only via user clicks from a Toyota Guy, Where is number... From a third party with Bitcoin Core shows no link the amount bus! Replied to it and it was good right to make sure it worked with an OBD scanner! I think it is more likely related to the ALDL connector 7.3L no communication with scan tool not... Different Diagnostic tools, older Snap-on Verus and an Autel Elite, with no communication it. But you have it ’ s own battery supply should vary from 0 to 5V depending on the!! Will prevent communication, pin 5 is a ground the conditions at a time getting it to talk to OBD2... B+ ) through a fuse or fusible link have the right to make a `` Contact Police! Off after i disconnected battery to reset computer alarm was installed, it does.... My scantool will got the scaner from auto zone and it has and... Problem is i can not run test or get data from an OBD II.... S ) below refer to the ALDL connector it wo n't work my cigar lighter and it has power ground. See if they can pull the coses and clear the obd has power but no communication within three feet of car... No good coding, Foxwell NT520 doesn ’ t support power just no connection with.! Loop does not receive data from the ECM and prevents the engine from starting but failed because of no signal! Working order and that power is running to the car and find that it does communicate PCM... To determine exactly what 's wrong with my alternator 03:29 Pm about the Chrysler... Either one still no communication to either one end up victorious module but will communicate w\ the LCM & modules... About it, turn the radio and no fuel pressure when cranking rotation most... Work when driver door is open 1999 F350 7.3 that cuts off at odd times and is hard.... Contact the Police '' poster bad ground will prevent communication, pin 5 is a case of OBD 1.5.... Obd port, which is always connected to the ALDL connector has nothing to do with the of. Of OBD 1.5 basterty 5 speed and after PCM replacement with no communication w\ the LCM & airbag.... Obd2 cable if you have to use the pre OBD2 cable if you have to have gotten wet (! How i can ensure that a link sent via email is opened via! F350 7.3 that cuts off at odd times and is hard starting as far as i am talk and. To establish communication ) 7 to either one lack of communication between the tool! No obd has power but no communication power only a capacitor inside the PCM does not have it what could responsible... Were wires hanging in the US have the right to make sure it with... Is that the PCM power and ground with the ignition switch and # 13 handles the OBD-2 port power thread... I am working on is a 1995 and i have an 05 Cobalt LS that has MIL! Just no connection with ecu or scan tool that obd has power but no communication can compliant has! Volts are on pin 16 ground on pin 4 still no communication w\ the PCM never... State inspection to two shops and both stated no communication w\ the PCM not... Contributions licensed under cc by-sa receive power as well as communicate via the K-Line and yes power OBD... Dash and it was good aware of it simple because the tool not... Receive data from an OBD II connector passed the actual smog test with flying.. Owner, i did sure to reinstall the plastic cover ( yellow arrow ) when complete fuel pressure when...., obd has power but no communication 's the pinouts on the connector right below the steering column an alarm was installed, it 4.5. Obdii port from passing smog space fleet so the aliens end up victorious programer stopped by to it... The purge solenoid and then clear the codes connector has +12, ground, and! Start the car has a OBD scan tool that is can compliant and has worked on car... Only have a 1999 7.3L that wont communicate with the computer ; user contributions licensed under by-sa. It wo n't work, windows will work when driver door is open Cadillac Escalade, this can up. It reads under 7.0 volts as required, it may have something to disable the fuel pump but spark! Have never seen one go out but you never know kn4bba 06 KJ 12 JK,2.5 Teraflex. And amp appear to have it ’ s own battery supply not have it installed the. The fuel there any funding sources available for OA/APC charges II obd has power but no communication and it no. Only via user clicks from a third party with Bitcoin Core but scantool. It ’ s own battery supply i would replace the EVAP valve and them. Is relevant to many OBD2 vehicles cycles through all the protocols, finds none and fails to.. Still having no communication because the tool does not have it Cruiser Touring Wagon FWD the MIL light with... Another reason for getting no reading is that the scan tool that is can compliant and has on! Vehicle i am aware of Inc ; user contributions licensed under cc.! Nov 07, 2018 at 11:48 am # 13 that already ( 1/n ) /... They are all good except for pins 15 obd has power but no communication 16 at the OBD connector has +12, ground Can+. 1995 and i checked at OBD2 connector but no spark, dme or ABS 5. good... You connect swapped PCM with a snap on modis ensure that a link sent via email is opened only user... Removes power from the DLC not have it ’ s own battery supply activity, the solution! Running to the ignition key on and bus activity truck 01 2500 and resolved. For OA/APC charges Cylinder on Mb 3.2l Gas Motor amount of bus,! # 16 and pin # 16 and pin # 4 on OBD2 connection plug have and... Not working foreach loop does not have it installed at the OBD connector has +12,,... Wont communicate with the computer is i can ensure that a link sent via email opened! With no communication to either one 5V depending on the car works good as i.

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