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Trouble codes after battery replacement

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Old Jul 17, 2022 | 03:41 PM
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Default Trouble codes after battery replacement

I just replaced the battery in my 2002 and now I have service,ABS,service active handling,and service traction control alerts. I scanned and no codes showed up. Any suggestions?
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Old Jul 17, 2022 | 03:49 PM
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Originally Posted by gvette85
I just replaced the battery in my 2002 and now I have service,ABS,service active handling,and service traction control alerts. I scanned and no codes showed up. Any suggestions?
Well this is different and confusing. If you have no codes that show after running a diagnostics, I'm not sure how you are getting "alerts?"

In any event, I'd try to clear the codes and/or disconnect the battery and start over, then report back.
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Old Jul 17, 2022 | 04:21 PM
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Moved to C5 Tech.
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Old Jul 17, 2022 | 05:32 PM
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if there's low voltage from the battery it can trigger a number of codes. try disconnecting the negative terminal for ~20ish~ minutes to clear any gremlins, and restart the car after that. Most of the codes should go away. If not, just continue driving the car for a few cycles and then report back. Anything remaining at that point is grounds for further disgnosis.
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Old Jul 17, 2022 | 05:35 PM
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also, if it's a brand new battery, theres a chance that it isn't fully charged. so putting it on a trickle charger or just driving it for a while to let the alternator juice it up should help.

Unfortunately, if all else fails, it sounds like your EBCM may have taken a dump. Let's hope not.
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Old Jul 18, 2022 | 12:19 AM
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Battery voltage must be measured across the battery terminals to be accurate. Below 12.6 can cause trouble on a C5.

If the battery LOAD tests good, a failing ignition switch often generates all the warnings you describe but does not necessarily throw codes.
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Old Jul 18, 2022 | 12:28 PM
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Trickle charged battery all night and this morning it allowed me to reset .Drove it several miles and no alerts . Thanks for the response .
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