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97dak
Dodge Dakota
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7/30/2002
10:43:56
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 Subject: Error code 12 - pcm prob?
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Message:
I have a 97 Dakota and the Check Engine light is on. When I check it by turning the ignition on, off, on, off, on, I get error code 12 - battery power to pcm disconnected. I checked the wires and everything looked good. I thought maybe that it could be due to the 160 t-stat I put in, but it still does it with a 180. I reset the pcm, but the light comes back on after around 250 miles. Has anyone seen this before?
97dak
5.2, 5 speed, club cab, 3.55
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Lee
Dodge Dakota
JOIN HERE
8/04/2002
01:41:58
|  RE: Error code 12 - pcm prob?
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Message:
I got the same thing goin on.... No clue as to what it means... Truck still runs strong though...
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planenut89
Dodge Dakota
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8/24/2002
22:46:16
| RE: Error code 12 - pcm prob?
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Message:
I also have a 97 club cab dak with the 5.2 5 speed with 3.92 gears. I am having the same problem plus a surge or bucking at around 2000 rpm that is starting to drive me nuts.A friend had a scanner and it said that I had a cylinder 1 and 3 misfire checked the plugs and wires all seemed good.I hope there is someone who can help us with this issue. Good luck. Planenut89
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rialto88
Dodge Dakota
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8/25/2002
11:04:08
| RE: Error code 12 - pcm prob?
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Message:
IN REFERENCE TO ERROR CODE 12 I FOUND THE FOLLOWIN WEB SITE WITH CODES LISTED"
http://www.2gnt.com/www/files/pcmcode.htm
==========
IF THE BATTERY CABLE IS DISCONNECTED FOR ANY REASON POWER TO THE PCM MAIN IS ALSO DISCONNECTED CAUSING THE ERROR CODE 12.
===========
I ALSO HAVE A 97 DAKOTA 5.2 4X4 EXPERIANCING THE PROBLEM WITH SURGING AROUND 2000 RPM. I WAS TOLD TO CHECK THE DISTRIBUTOR CAP.
===
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rialto88
Dodge Dakota
JOIN HERE
8/25/2002
23:20:35
| RE: Error code 12 - pcm prob?
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Message:
ALSO FOUND OTHER WEB SITES TO HELP OUT WITH THE PCM CODE QUESTIONS.
==
http://www.minimopar.net/fault/index.html
http://www.ptcruizer.com/computer-codes.html
http://www.speedtweaks.net/Tips_Tricks.htm#ResetPCM
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planenut89
Dodge Dakota
JOIN HERE
8/27/2002
04:11:28
|  RE: Error code 12 - pcm prob?
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Message:
with regards to the stumble I went to speedtweaks.com and came across something called distributor indexing I have not tried it yet but while I was under the hood I noticed that my battery connections were corroded I cleaned them and have noticed the stuble seems to have gone!!!!!????? I don't know if this gave the "required" power to the pcm but I will see and let you all know. Als has anyone heard that after the battery is disconected that it takes 15 start cycles before you can access any new codes?
thanks and hope this is helpfull. Planenut89
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Jay
Dodge Dakota
JOIN HERE
2/27/2005
23:14:13
| RE: Error code 12 - pcm prob?
IP: Logged
Message:
Same problem with my 97 Dakota, "error code
12" PCM power disconnected within last 50
starts. My problem is the truck has degrading
fuel efficiency, getting too much fuel on idle.
I've installed a new throtle positioning sensor,
didn't help. No idea what to try next.
Sometimes gets so much fuel it floods on
start. It's going to be forsale soon!
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?
Dodge Dakota
JOIN HERE
2/28/2005
08:11:52
| RE: Error code 12 - pcm prob?
IP: Logged
Message:
Jay = injectors bad - leaking
or O2 sensor
but - check fuel pressure on rail before start..
If no pressure = an injector or more than one are leaking,...
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Rob C
Dodge Dakota
JOIN HERE
3/04/2005
01:42:15
|  RE: Error code 12 - pcm prob?
IP: Logged
Message:
Are you absolutely sure your battery and cables are good? Check this link too:
http://www.dodgedakota.net/boards/v8/7278.html
Good luck!
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