I did this exact thing...I pulled the neg cable off, held the key in the
start position for 15 seconds, then reconnected the neg batt cable. I
started it up and let it idle for 2 minutes and no light. But then, I
started it back up and the light came back on? I also did the trip/odometer
button and let it run through its check cycle. No codes were displayed??
Dan, why do I have to drive 250 miles? I saw on the DML site that I should
drive 50-100 miles to let the computer "learn" anything different. What do
you think???? Please help me guys!
-----Original Message-----
From: owner-dakota-truck@bent.twistedbits.net
[mailto:owner-dakota-truck@bent.twistedbits.net]
Sent: Friday, July 22, 2005 12:33 AM
To: dakota-truck@dakota-truck.net
Subject: RE: DML: Dakota Question
Just taking the cable off the battery will not clear the computer.
Take the negative battery cable off then go to try to start the truck, hold
it there for like 30 secs. then re-connect the negative battery cable. start
it up. It shuold be gone for good unless it is something that is re-occuring
problem.
>From: JameyWelch@freightliner.com
>Reply-To: dakota-truck@dakota-truck.net
>To: dakota-truck@dakota-truck.net
>Subject: DML: Dakota Question
>Date: Thu, 21 Jul 2005 16:00:22 -0700
>
>
>I am a new subscriber but I have been reading the posts for a while. I
>really enjoy the site and hope to be able to contribute in a positive way.
>I have a question that is pretty pressing though. I have a '99 Dakota,
>5.2L, Club Cab, 4x2, with Flowmaster and K&N Filtercharger. Two months
>ago, my check engine light came on and I tried to take the battery
>cable off and reset it. This has happened before and when I took the
>cable off and let it sit for a few minutes, reconnected and the MIL was
>off. I tried this method and it worked the first time when I put the
>cable back on. When I turned the switch off, then turned it back on,
>the MIL came back on. Last week, I went to Autozone and Advance Auto
>to get them to pull the code that caused this light to come on. When
>both of them hooked up their OBD II scanners, no codes came up. I was
>glad about this but that danged MIL light stayed on. I then went to
>get the vehicle inspected. I live in NC and since my county requires
>more than the standard safety inspection, I was hooked up to the
>inspection shop's computer. They couldn't pass the inspection with the
>MIL on and there were no codes showing up in the box where the codes
>normally show up. Something funny though, the computer showed the
>Catalyst, the O2 sensor, and the O2 heater to be "Not Connected" but
>did not show any codes. I called 2 dealership service departments and
>they both told me essentially the same thing. They both said that I
>had to drive the thing for 50-100 miles so that the codes would show up
>after I disconnected the battery. Well I did, went back to Advance
>this morning and when they hooked up, it didn't show any codes again!!
>This afternoon, I called a good independent Dodge mechanic in the area
>and he said that the PCM may be bad and he has seen this before on a
>'98 that he worked on. I am not doubting him but before I spend the
>money I really don't have, I wanted to be sure that this was the only
>possible thing it could be. What do you think??
>Any
>help would really be appreciated! Thanks again!
>
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