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05-10-2026, 09:04 PM
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#1 |
          
Drives: '20 ZLE Join Date: Jun 2020
Location: Mile High
Posts: 4,195
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Battery Charging System errors?
Battery Charging System error message and red battery icon.
Antigravity 60A battery. Four years old. I've charged it full with both trickle and regular antigravity chargers. The clamp connections on the battery posts are solid. How do I determine whether the problem is the battery, the alternator, or the belt?
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2020 ZL1LE A10.
LME LT4 390 short block, LME CID Heads, Kong E2650, FBO. 15" conversion, MT ET Street R 325/15. 100 octane: 1045hp/1055tq. 100 octane + Meth (1x10+): 1117 hp/1067 tq |
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05-10-2026, 09:25 PM
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#2 |
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Super Stock
Drives: Chevrolet Camaro ZL1 Join Date: May 2022
Location: Concordia
Posts: 1,004
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What is the batteries static voltage and what is its voltage when charging?
If you had a way to check SOC and delta that would help a bunch but since we don't have hybrid vehicles it makes it a little more difficult to see and access that stuff so this will have to be done manually.
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2017 Red Hot ZL1 A10 - Apex ARC-8's, 305/ 325 PS4's, DSX 9.06 12% lower, Griptec OE upper, NGK HR7 Ruthenium plugs, Nostrum 25+ injectors, XDI Goliath HPFP, Katech dual in tank LPFP, Katech oil pump, LME tensioner, DOD delete, LT1 big fuel cam, Jokerz ported blower, MPI lid, GMS hood extractor bracket, Granatelli SS plug wires, Cordes LTR reservoir, DMS T-stat housing, 186* LS3 T-stat, Borla X pipe, Black Widow Angry Housewife/ Corsa NPP mufflers, BMR engine mounts, Banks iDash, Lithium Battery, AEM X- Series, HP Tuners, E85, 16.5 psi
758 HP/ 804 TQ  |
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05-10-2026, 11:14 PM
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#3 | |
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Thank you Al Oppenheiser!
Drives: Red Hot A10 ZL1 Convertible Join Date: Jun 2017
Location: Sarasota, FL
Posts: 5,183
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Quote:
My suggestion would be to interrogate the module that threw the error (probably ECU) using a scan tool, and work from there. You should have a code in the ECU even if the CEL is not lit. Not sure if this is the exact diagram for your car, but you can probably find the proper one at acdelcotds.com with a $22 sub for 3 days. There's a heap of very rigorous troubleshooting and diagnosis step by step instructions for the "smart" charging system documented in the service data.  and congrats on 1000 posts, ZLRob!
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