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Discussion Starter #1
just got my stroker motor in went for a test drive yesterday:D ,, ohh happy. but , dang check engine lite came on today.... dang , did the key cycle thing--- code 12, battery disconnected within last 50 key cycles---- ok, i know the battery was out,why would i need the dang check engine lite tell me it was out:mad: ..... anyways, how do i reset it without taking it to a dealer?
 

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Cycle the computer 50 times? :flipoff2: Codes you read from a key cycle should clear out after you read them, or the problem is fixed. if it don't then just put a peice of black electrical tape over it.
 

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you should've gotten a 12 and 55

the 12 shouldn't throw a check engine light,

to reset disconnect your battery and let sit for 20 min, turn the key to "start" for a second to drain all power from the pcm, then reconnect.

what kind of jeep?
 

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Discussion Starter #4
'97 tj . when i did the cycle thing. the odo. just went blank, said 12, went blank, then went back to 72,001 miles. i'll try it again
 
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