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Error Code 12 fix?

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Old 05-14-2014, 02:24 PM
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Default Error Code 12 fix?

my cherokee just shut off on the way home from work this morning. I'm getting a code 12 then 55 (end of codes). I know what a code 12 means, but I don't know how to fix it. It turns over, but doesn't fire. Also, with the key in the on position the fan doesn't blow. Any tips?
Old 05-14-2014, 02:54 PM
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12>> Battery disconnected. Battery or power to the ECM disconnected in the last 50 key cycles.

I'd check spark and fuel pressure. Also, sometimes the connector on the ign. switch melts...
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