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Old 03-09-2014, 08:38 PM   #1
Rknow82
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2002 SC2
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Default U1301 Code on SC2

Seem like every week iI have a new code new issue. My SC2 is now throwing U1301 and am at a loss on where to start to trouble shoot. Any advice?
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Old 03-09-2014, 11:58 PM   #2
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Default Re: U1301 Code on SC2

U1301 indicates a loss of communication among the electronic modules. A wiring check connecting every module is the minimum needed to determine where a short or break occurred to cause this error code.
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Old 03-10-2014, 11:09 AM   #3
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Default Re: U1301 Code on SC2

Thanks for the info. Looks like fun
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Old 03-10-2014, 11:18 AM   #4
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Default Re: U1301 Code on SC2

Is it at all possible that it could just be the battery terminals/ connection?
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Old 03-10-2014, 11:31 AM   #5
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Default Re: U1301 Code on SC2

If it were the main battery terminals and connections, there would be other symptoms like dimming gauge lights or losing radio presets at random. If you live in humid areas of the country, older wiring may inherit corrosion issues from damp conditions. If engine work was ever done, wiring harnesses may chafe on sharp metal corners. Plastic insulation will dry rot from uv exposure resulting in cracked insulation.
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Old 03-10-2014, 07:56 PM   #6
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Default Re: U1301 Code on SC2

Got anything plugged into the power socket?

I have seen U codes caused by phone chargers...
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Old 03-11-2014, 09:52 AM   #7
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Default Re: U1301 Code on SC2

Yes I do, a radar detector and XM radio.
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Old 03-11-2014, 03:39 PM   #8
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Default Re: U1301 Code on SC2

Bazinga!

Reset the code, and try unplugging one or both before starting...
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