Is there a fuse that controls the OBD port?
Is there a fuse that controls the OBD port?
Usually there is a fuse for the OBD port, if you cannot find they the fuse for the cigarette lighter and the auxiliary ports. 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.
Where is the cigarette lighter fuse?
Yes, a car cigarette lighter must have a fuse. It will be located in the interior fuse box, the exact location, fuse size and type is identified on the fuse box cover label or in the owners manual.
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.
Why is OBD II not communicating with state?
Help!!! Failed state inspection because OBD II wont communicate with tester, (or scan tool). I checked for blown fuses, especially cigarette lighter as tech suggested. No blown fuses! How do I troubleshoot this problem?
Why are scan tools not communicating with OBD2 system?
Check your fuses and replace any that are blown. Usually the cigarette lighter fuse also powers the DLC (data link connector) with this fuse blown the scan tools can not communicate with the OBD2 system. Why scan tool doesn,t connect to truck. ecm has been replaced????? was it programmed ?
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.
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.
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.
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 the Check Engine light flash on and off?
Watch the dash during this time. The Check Engine Light should flash on, and stay on for a brief period. It should then turn off. The brief flash on is the signal that the system is up and running, and ready to monitor your vehicle during operation.