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"charging system fault"

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Old May 7, 2007 | 09:11 PM
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From: Irving TX
Default "charging system fault"

My car said this the other day then shut off. Has anyone else had this pop up? Is it an alternator problem?
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Old May 7, 2007 | 09:46 PM
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From: Hurricane Alley
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Usually its just the ground connection is loose, the message will also dispaly if you let go of the key to soon when you start the car. That is the only time I have seen the message is when I let go of the key to soon. Im sure someone else will chime in with other problems that they have had.
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Old May 7, 2007 | 09:59 PM
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From: Irving TX
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thanks for the input. now that i think about it i may have done that. who knows though ill keep it in mind. any other suggestions?
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Old May 7, 2007 | 11:30 PM
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From: Twilight zone
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Have you fiddled with the starter lately?

I had this problem once,turned out it was just a loose connection on the starter.It was an easy fix to a perplexing problem.
The car just started loosing charging amps on the freeway until it flat out died

I was flustered,thought for sure it was the alternator,but it was just said commection

I had NO idea this could happen like this with just a loose connection.

Just 1 more experience for ya
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Old May 8, 2007 | 12:10 AM
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From: Montville Twp NJ
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lurk
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Old May 8, 2007 | 01:13 AM
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From: Dayton OH
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Originally Posted by 02MillenniumVette
That is the only time I have seen the message is when I let go of the key to soon.
Same here, I've only seen it twice or so over a few years, and only when I haven't held the key long enough.
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Old May 8, 2007 | 03:34 AM
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From: Esher, Surrey
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I had this problem just 2 weeks ago. About 2 months ago i had this warnikg message on the motorway ( charging droped to 10V) Then i reduced speed and changed to 2 gear for higher rpm to chceck is it belt maybe. It went back to 14V and was fine till 2 weeks ago. The message stayed on all the time then I drained the battery all warning lights form abs tracktion etc went off and car died. I checked all earth wires but there were ok. I gave alternator for reconditioning, it was voltage regulator.
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Old May 8, 2007 | 02:08 PM
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I have gotten the same problem... P1638 DTC... but onbly when I rev the motor, 3500rpm+...

I am thinking it might be the voltage regulator...

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Old May 8, 2007 | 04:03 PM
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From: Hendersonville tn
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I have gotten this a couple times also. Only for an instant it pops up right after starting the engine then is gone.
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