| From | Message |
geo. w5gta
Dodge Dakota
JOIN HERE
4/11/2009
12:49:05
|
 Subject: code 12
IP: Logged
Message:
92,3.9 showing code 12, shuts off any time any speed, let stand 5 or less minutes will start wright up & be ok for a day or two, then the same old thing. has new fuel pump. tnx 4 any & all help.
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AKNick
Mechanic
4/11/2009
13:10:56
|  RE: code 12
IP: Logged
Message:
Code 12: Memory Standby Power Loss
This code is set in the PCM when the battery is reconnected.
Try cleaning the battery terminals (you can buy a terminal cleaner for about $10) and make sure there is no loose connections. This should solve your problem unless while you were trouble shooting you disconnected the battery and thus loosing the code, so you'll have to wait until the PCM throws a code again... if any.
Hope that helps!
-AK Nick
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?
Dodge Dakota
JOIN HERE
4/14/2009
08:24:40
| RE: code 12
IP: Logged
Message:
Two possibilies , first the 'splice' of 3 or 4 wires in the harness under the (underhood)
fuse/relay box = about 6 to 8 inches down the harness = need to unwrap the tape until you find it , redo that splice .
Second - possible coil is going bad
may need to replace - but do # 1 above first..
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geo. w5gta
Dodge Dakota
JOIN HERE
4/20/2009
14:38:45
| RE: code 12
IP: Logged
Message:
respliced red/w wires in loom. started,it shut down again in 20 seconds, restarted ok, ran 15 min & i shut it off. anyone have a good used 79-8741 computer that i can afford? i replaced the computer for this same trouble in 2002 & it ran ok untill now. all ok execpt the shut off at anytime. & showing code 12. tnx to all
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DUH
Dodge Dakota
JOIN HERE
4/21/2009
09:15:09
| RE: code 12
IP: Logged
Message:
Maybe your battery is a POS. Did you have it load-tested? A bad battery, or bad alternator, can cause code 12 and shutdown.
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Da Bumper
Dodge Dakota
JOIN HERE
4/24/2009
23:09:16
| RE: code 12
IP: Logged
Message:
Bump
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?
Dodge Dakota
JOIN HERE
5/01/2009
08:42:10
| RE: code 12
IP: Logged
Message:
Try another coil first..
It probably shorts out after warming up a bit .
Leaving it sit for five minutes lets it cool down
and disburse the 'ozone' .
This happened on my 95 , took a while for me to figure it out - I thought the computer at first too , got another - seemed ok for a week
then same problems..
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geo. w5gta
Dodge Dakota
JOIN HERE
5/01/2009
10:11:22
| RE: code 12
IP: Logged
Message:
have new coil & battery plus much much more, went through this same thing in 2002. computer fixed it then & i was hopping this time it wouldnt be the computer but i have ran the hole list & computer is all that i havent changed. thank u so much 4 the info. some times i can run a tank of gas b4 it acts up other times it will shut off in 1/4 mile. at least it starts most of the time in 2-3 minutes geo.
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geo w5gta
Dodge Dakota
JOIN HERE
6/10/2009
06:53:33
|  RE: code 12
IP: Logged
Message:
put used ECM in last fri & all ok, no more shutting down, sure nice to go 50 miles & not have to stop & wait for the engin to start again. tnx 2 all. geo.
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