Why is the OBD II scanner not communicating?
Why is the OBD II scanner not communicating?
Check the fuse box (Power Panel), it might be the reason why PCM isn’t able to receive power as well as communicate.
Why does my Ford scanner not work when plugged in?
OBD II..the scanner will not communicate when plugged in OBD II..the scanner will not communicate when plugged in – Answered by a verified Ford Mechanic We use cookies to give you the best possible experience on our website.
How can I tell if my truck is not starting?
A test for DC voltage between a ground point (eg. battery negative terminal or the engine block) and the large wire on the starter can diagnose a blown fuse (it will read 0V) but it can’t be used to indicate if the connection or starter are ok.
What would cause my OBD scanner 1999 Ford Expedition 5.4?
What would cause my OBD scanner 1999 Ford Expedition 5.4 . What would cause my OBD scanner not to read on this car . When I plug it in it tries to communicate with the vehicle but after a while it says link error . Could it be a fus…
What to do if the OBD II scanner doesn’t communicate with the vehicle?
What to do if the OBD II scanner doesn’t communicate with the vehicle. 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.
Why is my OBD2 not connecting to YouTube?
These issues include an incompatible obd2 scan tool, bad fuses, damage in the circuit board, ECU, and failed computer. OBD-II…. Non connecting data Port Issue. *FIXED* This might help you! – YouTube OBD-II…. Non connecting data Port Issue. *FIXED* This might help you! If playback doesn’t begin shortly, try restarting your device.
Why does my OBDII port have no power?
Communication line does not provide the power. The power is pulled from the pos and neg ports on the obd ii. There is something wrong with your communication wire Communication line does not provide the power. The power is pulled from the pos and neg ports on the obd ii. There is something wrong with your communication wire Click to expand…
Where can I get the OBD codes for my car?
You do this by plugging a scan tool into a computer-style port on your car (your repair manual will show you where it is) and downloading the codes. Then you can go to a site such as OBD-Codes.com and see what the codes translate into.
What should I do if I Can’t Read my OBD code?
If you’re scanning your car’s computer for OBD (on-board diagnostic) codes and getting nothing in return, there are some things you should check before you give up and take your car to the shop.
What does OBD stand for in a car?
Since the mid-1990s vehicles have had a built-in troubleshooting system known as OBD. A computer in your car monitors sensors that measure such things as engine temperature, exhaust gas mixture, and other metrics that would mean very little to you unless you’re a serious automotive troubleshooter.
Why is my scan port not working on my car?
Remember that your car or truck might have more than one fuse box. This should be covered in your owner’s manual or a proper service manual. Another reason for getting no reading is that the scan port has become clogged with dust after years of not being used.
Why is my OBD not reading?
Blown Fuse. If you’ve plugged into your car’s diagnostic port and aren’t reading anything, you might think that your OBD-II brain has been fried, but don’t declare it dead yet. The most common reason for getting no OBD code is simply a blown fuse.
What is OBD diagnostic interface?
The ELM327 OBD2 Interface is a car diagnostic tool that is used to transmit data from OBD2 compliant vehicle to Laptop Computers, Desktop Computers, Android Smartphones, Android Tablets, iPhones and iPads.
What is OBD II connector?
OBD II Data Link Connector. The DLC, or Data Link Connector is an OBD II, 16 pin standard connector used in all automobiles manufactured since 1996. In today’s vehicles, it’s in constant communication with the CAN, or Computer Area Network, and provides a standard connection for automotive technicians to tap into and diagnose different onboard…
What is an OBD scanner?
An OBD scanner is a device that connects to your car and scans your vehicle’s’ computer to retrieve the code that corresponds to the problem at hand. An OBD scanner can tell you why your check engine light is on, or why other indicator lights are illuminated.
Check the fuse box (Power Panel), it might be the reason why PCM isn’t able to receive power as well as communicate.
Is the ODB-II power pin always active?
There are power pins that are always active (in my experience), but the ECU doesn’t have power (and can’t be read) unless the key is in the ON position (maybe ACC in some cars?) – JPhi1618 Dec 7 ’15 at 16:21 Pin 16 on the ODB-II connector is specified as “Battery Power” or “Battery Positive”. There will always be 12v power between pin 4 and 16.
How to remove obdlink from the OBD connector?
Solutions: 1 Plug/unplug OBDLink a few times, to remove oxidation from OBD port pins 2 Make sure OBDLink is properly seated on the OBD connector (push it in, as far as it will go) 3 Move the phone/tablet closer to MX, or use an OBD extension cable to place MX on the dashboard More
Is there battery power on an OBD II?
Battery power is present even when vehicle but most likely OBD II devices have a comparator looking for a voltage geeater than 13.5V – SeanJ Dec 7 ’15 at 16:41 Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
How do I Turn Off the PCM on a Ford?
Open the hood of the Ford. Loosen the lock nut located on the negative battery cable connector with a socket and ratchet. Pull the connector off the negative battery terminal. Wait for 20 minutes while the PCM bleeds off the electricity it stores for backup power.
What does power train control module on Ford do?
The power train control module on a Ford controls every aspect of the vehicle’s engine, transmission, clutch and electrical and fuel delivery. Without a properly working PCM, the Ford will not run.
How to diagnose an engine computer ( PCM )?
2 1. Visual Inspection 3 2. Swap 4 3. Using a Scanner 5 4. Process of Elimination 5.1 For More Information, visit our Website https://www.fs1inc.com/ or Call Us Now at 516-766-2223. Today we’re gonna be covering 4 steps to help you diagnose your Engine Computer (PCM/ECM/ECU Control Module) as to whether or not it is the issue in your vehicle.
OBD II..the scanner will not communicate when plugged in OBD II..the scanner will not communicate when plugged in – Answered by a verified Ford Mechanic We use cookies to give you the best possible experience on our website.
Why is my Ford F450 not communicating with IDS?
10,048 satisfied customers 2017 ford f450 will not communicate with ids. When plug in 2017 ford f450 will not communicate with ids. When plug in vcm ii comm failure to data link …
What to do if your Ford PCM is not working?
Without a properly working PCM, the Ford will not run. At times, you may want to perform a reset of the Ford PCM for basic troubleshooting. This can often resolve small issues that you may experience with the Ford. Open the hood of the Ford. Loosen the lock nut located on the negative battery cable connector with a socket and ratchet.
How to fix printer not communicating with scanner?
1 Right-click on the Printer and select “ Properties ”. 2 Now click on “ Ports ” and change the ports from “ LPT1 ” to “ USB 001 ”. 3 Now unplug/disconnect your scanner with your computer. Wait for a couple of minutes before plugging it back in. Now check if you can use the scanner utility without any problems.
What causes no start with no ECM communication?
2007 Tundra 4.7 air injection check valve was the cause of no communication with scanner, no start. Thanks Click to expand… That’s why we’re here Greg. Thanks for working on Toyota’s.
Why is my scanner not connecting to my computer?
It is an application programming interface (API) that enables graphics software to communicate with imaging hardware such as scanners. This process is a core part of fetching the required scanner document into your computer. Resetting this service can fix any problems if it was at fault.
Why do I get No reading on my OBD codes?
Check your fuses to see if any have gone bad. Remember that your car or truck might have more than one fuse box. This should be covered in your owner’s manual or a proper service manual. Another reason for getting no reading is that the scan port has become clogged with dust after years of not being used.
Where can I get an OBD code scanned?
You can have your codes scanned free at most auto parts chain stores. If you’ve plugged into your car’s diagnostic port and aren’t reading anything, you might think that your OBD-II brain has been fried, but don’t declare it dead yet. The most common reason for getting no OBD code is simply a blown fuse.
Why does my car light keep blowing fuses?
The lighter is prone to blow fuses on some vehicles, and if there’s no juice going to the ECM, it can’t tell you what’s going on. Even a fuse dedicated solely to the car’s computer diagnostics can blow for no apparent reason. Check your fuses to see if any have gone bad. Remember that your car or truck might have more than one fuse box.
Why does my OBDII cigar lighter not work?
I noticed that my primary cigar lighter is listed as “Cigar lighter/OBDII” in the Owners Manual. I proceeded to check the lighter and it doesn’t work. I then pulled the fuse box cover and checked the fuse and it’s good. Even replaced it with a known good fuse, but still no power to the Cigar lighter or the OBDII port.
Check your fuses to see if any have gone bad. Remember that your car or truck might have more than one fuse box. This should be covered in your owner’s manual or a proper service manual. Another reason for getting no reading is that the scan port has become clogged with dust after years of not being used.
You can have your codes scanned free at most auto parts chain stores. If you’ve plugged into your car’s diagnostic port and aren’t reading anything, you might think that your OBD-II brain has been fried, but don’t declare it dead yet. The most common reason for getting no OBD code is simply a blown fuse.
Why do I get No OBD code on my car?
Blown Fuse If you’ve plugged into your car’s diagnostic port and aren’t reading anything, you might think that your OBD-II brain has been fried, but don’t declare it dead yet. The most common reason for getting no OBD code is simply a blown fuse.
Why is my PCM not connecting to the OBD2 port?
If no ground the circuit is broken somewhere between the OBD2 connector and the PCM If the ground is good then it is either a bad connection on pin 2 back to the PCM or a Bad PCM itself, which I suspect is the problem. Note that the OBD2 port is fused.
Blown Fuse If you’ve plugged into your car’s diagnostic port and aren’t reading anything, you might think that your OBD-II brain has been fried, but don’t declare it dead yet. The most common reason for getting no OBD code is simply a blown fuse.
What kind of plug do I need for OBD2 scanner?
The end of the cable will normally have a 16-pin plug that should give a perfect fit into the cars outlet. Turn on the ignition key or run the car, whichever is in the manual, and give time for the scanner to initialize.
