Jeep Wrangler Forum - Reply to Topic
Jeep Wrangler Forum

Go Back   Jeep Wrangler Forum > TJ Jeep Wrangler Forum > TJ Tech Forum > obdII stopped working

Join Wrangler Forum Today

Thread: obdII stopped working Reply to Thread
Post Icons
You may choose an icon for your message from the following list:

Register Now

In order to be able to post messages on the Jeep Wrangler Forum forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.
User Name:
Please enter a password for your user account. Note that passwords are case-sensitive.
Confirm Password:
Email Address
Please enter a valid email address for yourself.
Email Address:


Human Verification

In order to verify that you are a human and not a spam bot, please enter the answer into the following box below based on the instructions contained in the graphic.

Additional Options
Miscellaneous Options

Topic Review (Newest First)
07-13-2009 09:35 PM
slf41002 I don't have to pass an E check so I have not paid much mind to it until I read this but my 97 after changing everything over from a 99 does not work either.My scan tool says faulty port and the code reader at the local auto parts stores say E for error.Mine also is like yours and will only flash the 1111111-2222222-3333333 and so on but no codes from holding the trip button and toggling the switch.I do not think it is as simple as a fuse though because my port and code display worked before the swap so I am figuring it is a wiring issue that I have not addressed yet.But then again for both our sacks hopefully it is a simple fuse.I will check into mine a little more and if I find anything I will let you know.
07-13-2009 06:59 PM
agentgreen Does anyone know what fuse is tied to the OBDII reader? I'd like to see if the fuse is broken even though it's not showing.

I even tried the 'hold down the odometer button' trick, and it's not throwing any codes...
07-13-2009 06:30 PM
obdII stopped working

Hey all,

I tried searching around about this but I just keep finding threads and posts about reading codes.

My problem is that I went to get emissions this past weekend, and the guy there said I had a fuse out because my obdII reader wasn't responding. I just checked out all the fuses and they are all fine. I even went to Autozone to see if they could read the obdII just to make sure it wasn't the emissions guy's fault, but no dice.

All the wires are connected on the backside of the connection, and as far as I can tell I don't see any wire breaks. The jeep is a 'weekend warrior' so doesn't get driven much and usually spends most of it's time under my carport.

Before I take it in to get it looked at, does anyone have any suggestions?

Posting Rules
You may post new threads
You may post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

All times are GMT -5. The time now is 06:00 AM.

Jeep®, Wrangler, Liberty, Wagoneer, Cherokee, and Grand Cherokee are copyrighted and trademarked to Chrysler Motors LLC. is not in any way associated with the Chrysler Motors LLC