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1995-1999 Dodge & Plymouth Neons

95 dodge neon engine light code came up as 12 direct battery input disconnected from pcm how do you fix it?

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2006-08-01 14:41:04
2006-08-01 14:41:04

If the engine is running fine and you disconnected the battery recently then don't worry about it. To clear the check engine light and the code

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2006-08-01 14:41:04
2006-08-01 14:41:04

If the engine is running fine and you disconnected the battery recently then don't worry about it. To clear the check engine light and the code’s you can do one of two thing’s. One pull the negative battery post off the battery for 30 second’s. This clears the computer codes and the light. However it also clears your radio presets and clock. Another way is to pull the fuse labeled “Fuel Pump”. This fuse is in a box under the hood behind the battery (See photo to the left), Should be the only yellow 20AMP fuse in there. This fuse also disconnects power to the PCM "computer" as well “ Kind of a secret to the general public” Just leave this fuse out for 30seconds or so. Then replace. This will keep your clock and radio presets. The engine might be a little hard to start or die the first time since the computer has to relearn everything again

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According to Haynes Repair manual, fault code 12 (1 flash, pause, 2 flashes from check engine light) means 'Memory standby power lost'. In other words, the battery has been disconnected recently. Not usually indicative of a problem, unless your battery hasn't been disconnected recently. Then you might want to look for a short between the battery and the engine control module.

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According to Haynes Repair manual, fault code 12 (1 flash, pause, 2 flashes from check engine light) means 'Memory standby power lost'. In other words, the battery has been disconnected recently. Not usually indicative of a problem, unless your battery hasn't been disconnected recently. Then you might want to look for a short between the battery and the engine control module.

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According to Haynes Repair manual, fault code 12 (1 flash, pause, 2 flashes from check engine light) means 'Memory standby power lost'. In other words, the battery has been disconnected recently. Not usually indicative of a problem, unless your battery hasn't been disconnected recently. Then you might want to look for a short between the battery and the engine control module.

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According to Haynes Repair manual, fault code 12 (1 flash, pause, 2 flashes from check engine light) means 'Memory standby power lost'. In other words, the battery has been disconnected recently. Not usually indicative of a problem, unless your battery hasn't been disconnected recently. Then you might want to look for a short between the battery and the engine control module.

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P1684 simply means that the computer has recently lost battery power. Either the battery has been disconnected or there is a wiring issue.

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43 is some sort of engine misfire, or distributor fault... code 12 is that the battery has been disconnected in the last 50 key cycles...


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