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04-24-2013
I have an 06 Grand Prix and I get a " Charging system failure" message on my message center. When I get the message My car acts like the battery is dead and won't start. I have had the battery tested and it tests good. What else could caus ethis error message?
04-24-2013
dirty or bad grounds, or the alt is bad.
you can have that tested as well. test the battery volts car running, and off, when running you should see 13 to 14 volts or a bit more. off no less then 12 volts.
you can also have the battery load tested. not sure if they did that for the bat test.
04-24-2013
The battery was loaded tested and showed fine. When this happens it starts right away when its jumped. Also if I have the key in ACC mode it will do it also.
04-24-2013
Your charging system is apparently not working correctly, and your battery is supplying all of the power to the car even while running. Either your grounds are dirty like scotty said(rather unlikely if there were no symptoms until this point) or your alternator has stopped functioning. I'd suggest to check system voltage while the car is running to make sure it's 13.5-15 volts. If you can't do that, advance or another auto parts store will if you can get the car there.
04-24-2013
If its to the point where your car doesn't want to start, then yes, it sounds like the alternator is on its way out. I got this message 2 or 3 times over the last 2 years, but it was due to a momentary overcharge.
05-05-2013
2004 pontiac grand prix, check tire pressure, charging system failure, check engine soon lights all come on and has been on for a while like 2 months. I have been to both autozones in my town and penzoil and walmart and all of them cant get a code from the car. Every so often "reduced engine power" comes on and you cant accelerate anymore and very hard to turn. Have to pull over and shut off and open door then start it back up to b able to use car properly but yet again the other 3 lights come back on the DIC pllleeeaassssee help thank you
Dimebro84
05-06-2013
my 2004 was getting errors for ABS/TRAC/STABILITY AND BRAKES...and then the charging system failure light happened and the DIC, HUD, radio and IPC all lost power...car still starts up after 2-3 key turns and will idle and drive fine..everything i listed still will not display at all...unless i remove IGN1 relay under the hood...but doing that the car wont start ...im looking at the BCM as a potential culprit
edit: i have replaced a few parts from a known 100% working 2004 gtp with the same options...
ignition switch, under hood fuse box, dash fuse junction, multiple relays,battery, alternator
Last edited by GTX; 05-06-2013 at 04:33 PM.
05-06-2013
Make sure it's not the ignition switch
04-17-2016
I too am having TRAC/STABILITY/BRAKE SYSTEM warnings on my DIC. The other day I went out to start it and nothing happened. We jumped it and it was undercharging. Ran a couple of tests and figured out that the alternator was bad. It then overcharged the battery and the car went into a loss of power mode. No shifting into 4th in manual mode. Both the alternator and battery were under warranty since they were less than a year old. Now I am getting charging system failure notifications again. The last one the voltage was reading 14.22. Under acceleration the voltage was dropping but as soon as I took my foot off the gas the voltage would increase. I have an 2007 Pontiac Grand Prix GXP with the 5.3L V8. Any suggestions???
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04-17-2016
Might have to do with the battery current sensor. That's my guess.
04-17-2016
Where is that located?
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04-17-2016
Right on the battery cable right near the battery posts
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04-17-2016
We unhooked the alternator from the "the brain" of the car and the voltage held steady at 13.66. It is still throwing the charging system error on my DIC. The things it doing doesn't make sense
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04-17-2016
Here you go. This is most likely your issue.
http://ls1tech.com/forums/ls4-perfor...g-problem.html
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04-17-2016
Thank u. I just heard something that I haven't heard come outta my boyfriend in the past 5 days..."it makes sense, especially since we unplugged it from the "brain" and let the alternator work for itself
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04-18-2016
My vin says that it could be 5 or 10V sensor. How do I check to see which one it really is? Which wires?
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04-18-2016
Can you see a part number on the sensor?
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04-19-2016
IIRC, you test the voltage on the middle wire. It'll either read 10 volts or 5.
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04-19-2016
Ok thank you. I haven't had a chance to look for the part number yet
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