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Dyber
Dodge Dakota
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7/25/2004
17:25:21
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 Subject: Code 12 and 41
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Message:
I just routinely cycled the key to see if there were any codes, and I got a code 12 (according to Haynes: "standby power memory lost") and a code 41 ("excess charging or no field", I don't remember the exact wording regarding the field).
I realize the code 12 means the battery was momentarily disconnected, but what about the code 41? I assume it has something to do with the alternator.
If anyone can advise, I'd be very appreciative.
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Dyber
Dodge Dakota
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7/25/2004
17:59:50
| RE: Code 12 and 41
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Message:
I should add that this is a 91 V6 3.9L.
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?
Dodge Dakota
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7/26/2004
09:33:06
| RE: Code 12 and 41
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Message:
Code 41 also can be set with a bad cell in your
battery !
How old is the battery ?
Possible ' dirty ' connections ??
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Dyber
Dodge Dakota
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7/26/2004
15:59:44
| RE: Code 12 and 41
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I was thinking the same thing (glad I'm on the right track). I cleaned the battery and reset the terminal clamps etc. last night. The truck definitely starts with more vigor, but as of this morning I'm still getting the code.
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spt
Dodge Dakota
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7/26/2004
17:00:20
| RE: Code 12 and 41
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Message:
I had the the same thing you have for codes as well my battery charge gauge would jump all over the place once in awhile. I would shut the truck off and start it and it would stop jumping around. Then one day my truck would not start so I got a boost and went to the battery shop where I got the battery from and they tested it. Turned out a cell went bad on the battery, so they replaced it and I have had no problems since then. The battery was 4 years old but I was lucky I had a 5 year replacement warranty so it did not cost me anything. Hope this helps
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Dyber
Dodge Dakota
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7/27/2004
14:23:13
| RE: Code 12 and 41
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Message:
The truck cranks very fast, so do you still think it could be the battery? Is that what the code means by 'charging system excess or lack of field current'? If the battery has a dead cell, the alternator never quits charging (thus the 'charging system excess'). I just don't understand why it would crank so well with a dead cell.
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spt
Dodge Dakota
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7/27/2004
16:59:25
| RE: Code 12 and 41
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Message:
The day my battery went, my truck started up just fine when I went to work. When I went leave nothing the radio would not even work. I have had this trouble before with a battery in a different truck. Not sure how a battery can seem to be perfectly fine one time and then just seem to go all of a sudden. If your battery is old you might want to replace or go to a shop and have it tested before you are stranded someplace.
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Dyber
Dodge Dakota
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7/30/2004
17:05:50
| RE: Code 12 and 41
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Message:
I think you're right. I haven't been stranded by the battery, but I don't want to either.
You were having the same codes (12, 41), then when you replaced the battery it cleared the codes (or did you check the codes again)? If so, how long did it take for the 41 to disappear?
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spt
Dodge Dakota
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7/31/2004
22:37:26
| RE: Code 12 and 41
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The code 41 stopped right after I put the new battery in. I also reset my computer at the same time. The code 12 stayed, I think(i have to double check this one) you have run 50 cycles (starting motor up and shuting it off) before the code 12 goes away. I have not run my codes for awhile. I am going to put on a new fuel filter and check my 02 sensor this weekend, I well check for codes and see if the 12 is still there. It should be gone as I replaced my battery almost 3 months ago. I will get back to you.
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Dyber
Dodge Dakota
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8/02/2004
16:53:18
| RE: Code 12 and 41
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How did you reset your computer? I really appreciate your time by the way.
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spt
Dodge Dakota
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8/02/2004
17:59:15
| RE: Code 12 and 41
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Message:
All codes are gone now. To reset the computer you should disconnect the NEG terminal from the Battery, turn (and hold) the Key in the START position for 15-20 seconds,release the key and reconnect the battery.
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Dyber
Dodge Dakota
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8/03/2004
14:10:37
| RE: Code 12 and 41
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Message:
Excellent. You're very kind.
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spt
Dodge Dakota
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8/03/2004
14:27:38
| RE: Code 12 and 41
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Message:
No problem. That is the great thing about this site there is alot of people here that have a lot of experience with Dakotas and know the problems with them. I have used this site and the search feature lots of times and it has saved me lots of money by not running to the dealer evertime I need to do something. There is a lot of good people here who like to help.
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mhall02
Dodge Dakota
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5/04/2005
16:11:02
| RE: Code 12 and 41
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Message:
OK, I know this post is about a year old but I had my check engine light come on this morning. I checked the codes and had the 41 pop up (new). I shut the truck off for a while, restarted and the check engine light went away. Could this be the battery? I think its only 2-3 years old, could something else pop it up? I did use the battry to run a water sampling pump w/o it running and it started up just fine both times. Humm... is this of any concern? I guess I could get the battery and alt. checked, any other suggestions?
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spt
Dodge Dakota
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5/04/2005
23:01:20
| RE: Code 12 and 41
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Message:
My check ehgine light would come on as well, but after I let the truck sit for awhile and start it up the light would go off. It would run fine for few days then the light would come on again, shut the truck off light would go away then come back. It can't hurt to have the battery checked, most battery shops will do this for free and check the alt output at the same time.
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dyber
Dodge Dakota
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5/09/2005
17:04:51
| RE: Code 12 and 41
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Message:
Yep. I'm the original poster, and I can tell you that my battery caused both problems.
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rumjy
Dodge Dakota
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6/06/2005
06:21:16
| RE: Code 12 and 41
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Message:
i get code 41 and all i get is a clicking sound when i turn it over i put a new battery in and changed both cables.any ideas
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rumjy
Dodge Dakota
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6/06/2005
06:24:03
| RE: code 41
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Message:
i get code 41 and all i get is a clicking sound when i turn it over i put a new battery in and changed both cables.any ideas also it is 91 with v6 5spd
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Don
Dodge Dakota
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6/11/2005
18:06:16
|  RE: Code 12 and 41
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Message:
Have you fixed the problem yet? It's obviously starter/starter-connection related (since you've already changed the battery).
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Jason Ruddy
Dodge Dakota
JOIN HERE
7/01/2014
20:04:14
|  RE: Code 12
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Message:
I have a 92 Dodge Dakota 4x4 automatic 5.2l v8. A
week ago i went to start it and nothing. The dash
lights come on and the fuel pump engages. But as
you proceed to turn over the the ignition switch,
nothing happens. No clicking or nothing.the
battery voltage is where it needs to be. I am at a
loss for ideas. I have checked the relays for the
starter and the fuel pump. When i checked the
codes I got 12 and 55. 55 is normal and 12 stands
for memory standby power lost. What does this mean
and how do i fix it.
Thank you
Jason Ruddy
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scott
Dodge Dakota
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8/17/2014
10:13:54
| RE: Code 12
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Message:
working on my dad's 94 dodge Dakota got code 12 not sure what to do being a cj-7 man
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