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11-06-2018, 08:30 PM | #1 | |
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2006 Chevy Impala SS 5.3L
If anyone could please help I would be forever grateful. The battery light is staying illuminated - the car will start and run but the warning light comes on and says check the charging system. It has a new alternator and battery but the battery light still stays illuminated. We have checked the wiring and could not find any problems. Could it be a PCM?? Would the best thing to do is take it to a dealer. Any suggestions very much appreciated!!
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11-07-2018, 07:12 AM | #2 | |
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Re: 2006 Chevy Impala SS 5.3L
Ok, so is the charging system actually charging? Been checked with a volt meter?
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Last edited by maxwedge; 11-07-2018 at 07:55 AM. |
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11-07-2018, 09:20 AM | #3 | |
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Re: 2006 Chevy Impala SS 5.3L
Hi - yes the charging system has been checked with a volt meter.
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11-07-2018, 09:21 AM | #4 | |
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Re: 2006 Chevy Impala SS 5.3L
Ok, you need to have the bcm and pcm scanned to see why the lite is still on.
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11-07-2018, 09:26 AM | #5 | |
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Re: 2006 Chevy Impala SS 5.3L
Okay-thank you - was definitely leaning towards that but open to the possibilities of checking something else.
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11-07-2018, 10:38 PM | #6 | |
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Re: 2006 Chevy Impala SS 5.3L
Does the battery have an extra wire going to a sheathing around the battery cables? If yes, it's a current sensor.... It's almost like an inductive pickup....this signal goes to the BCM...
Check for codes like Max suggested...especially "B" codes.... |
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12-11-2018, 08:03 AM | #7 | ||
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Re: 2006 Chevy Impala SS 5.3L
Quote:
also my guessing is you are not the person doing this diagnostic ..if you did you would post the specific tests voltages etc.. there is a TSB on this vehicle about BCM re-programing but it may help but the light / dic may indicate this again.. these new IMPALA SS vehicles are not to my liking .. too small and not good handling with the foot on the gas.. I own a 96 Impala since day one still running great no major repairs .. I did have to replace 4 water pumps.. LOL.. |
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