How to Fix OBD2 Port not Connecting with Automotive Scanner / Solve Scan Tool Won't Connect

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Here's how to fix obd2 port not connecting with any automotive scanner. The will help you solve the scan tool won't connect problem. If your OBD2 scanner not communicating or OBD2 port isn't connecting to your scan tool or the OBD2 port not working, these are the 5 main causes. If the OBD port is not working in your car, try one of these. Fix that OBDII port not connecting or OBD2 scanner not connecting in no time!

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Timestamps
0:00 - Intro
0:23 - The fuse
0:55 - 12volts at OBD2 port?
1:28 - Connector issues
1:53 - Check sensors
2:18 - Rodent activity!
2:38 - Bad PCM or ECU
2:57 - The commonest

Credits
3. The telltale sign of rats in cars: an abandoned chicken bone under the hood. (2:33) Credit: Michelle V. Agins/The New York Times. Accessed 11 June 2023

#obd2 #scantool #fix #diycarrepair #diymechanic #diyautoworksng

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Any other causes not on the list? Add it here!

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DIYAutoworksNG

Obd ports have fuses, of course they do they are powered, grrrr kicking myself for not considering this cheers

EZ-D-FIANT

Thank you. My issue was a nasty Rat eating wires. Droppings led me to check all affiliated wiring, Cheers!🥂

mjaye

Very helpful information. I couldn't figure out why my OBD II scan tool was not communicating with the truck's computer. I checked the power at pin 16 and found none, then checked fuses and found that it was blown. Replaced the fuse and it worked like it should and communicated with the computer. No codes came up so I now have to figure out why the engine stumbles at road speed?

billhenry

Hello. I have below 12v in the battery, is this problem for the obd2 scanner to connect? My battery show 11.6, 11.8 v..

BestMotorWerks

My obd2 scan tool will connect to the ecm, shows trouble codes and will let me erase them to, but when i try to motor the live data, it disconnects. I've tried it on my 04 trailblazer and it does fine, but when i hook it to my 2012 Silverado it won't let me view the sensors or monitor the sensors. Any time i try to read the live data it automatically disconnects and closes the program i'm using on my laptop. Oh, It comes up with this Calibration Identification - NA I don't know if that has anything to do with it but I thought i would let you know. Any help would be appreciated!

billydenham

My OBD scanner gets power when plugged in, but it fails to get inside the vehicle system… it can’t find the right OBD system and just fails (Mitsubishi Colt 1.6 1999)

prod.bymilo

Question please .. I have a 2003 Hummer H2. On the message screen on the dash where usually says driver 1 or driver 2 I am getting “Unknown driver” ABS light on, battery light on, Windows, gauges, radio stopped working. Motor runs great. i’ve replaced BCM, ECM. I hook my scanner to it and get no communication. The port has five wires going into it and the tips All look good. I have worked on this truck for many hours and no luck. I’m going to check the OBD fuse I have not done that yet. But if blown would that also cause the Unknown driver which is causing all of the electrical problems, any help I sure would appreciate it very very much. Thank you, Richard.

toxictuben

Hello, the amount and order of the pins are not the same in my vehicle and OBD2! Do you know why?

hombredelfuturo_

My car has problem the abs light is on and Car steering wheel is getting hard and everything is connected to the diagnostic tool but just engine and abs system didn’t it is Lexus is250 2008

Mozamel_fayez