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P0C2B and P0AC4 DTC codes
Hello, i changed the converter DC DC. I have the same messages on dashboard. The Tahoe works a few much better with the charge of 12V Battery. When, i start, the 12V battery has the voltage at 12,20V. It stays stable. Not more, normally it will be more 13V, almost 14V ? If i turn ON front...- HybridBatterix
- Post #11
- Forum: Hybrid General Discussion
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P0C2B and P0AC4 DTC codes
Hi, thank you very much. I think the 12V battery is good. It's not old, two years old. We did several charge cycling before to put in the car. I checked with voltmeter. But to be sure, we can try with an other one. For battery cables, on the studs positive and negative, it's ok. I checked...- HybridBatterix
- Post #9
- Forum: Hybrid General Discussion
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P0C2B and P0AC4 DTC codes
Hi, I succeded to reset the antitheft system, the alarm rang. And the Tahoe started ! But it shut down few minutes later. I check the messages on dashboard : check battery charge system, repair hybrid system. I don't have any DTC code with my diagnostic tools. But the voltage of 12V battery...- HybridBatterix
- Post #7
- Forum: Hybrid General Discussion
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P0C2B and P0AC4 DTC codes
Hi, i received the new AUX fluid pump module, the 5 wires cable had not the same connector so i had to change with the old one. I cut and i used inline wago to connect the 5 wires cable to have the good connector. I have the messages again : check battery charge system, repair hybrid system. I...- HybridBatterix
- Post #6
- Forum: Hybrid General Discussion
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P0C2B and P0AC4 DTC codes
Hello, first, we found the 60amp fuse was bad, it had melted, we changed it. We try to start, the Tahoe doesn't start. Then, i checked the wires. They look like good. I don't see anything, no scratch, no damage, no oxidation on the lugs. The dealer changed the transmission with the pump, the...- HybridBatterix
- Post #5
- Forum: Hybrid General Discussion
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P0C2B and P0AC4 DTC codes
Hello, thank you very much for your answer. I will check it this next days. I'll come back to give you more infos asap.- HybridBatterix
- Post #3
- Forum: Hybrid General Discussion
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P0C2B and P0AC4 DTC codes
Hi everyone, sorry for my english, i'm french. I have a 2007 Tahoe hybrid with some problems. I have a good experience on HV Battery, usually, i do diagnostics on Toyota, Lexus, Honda. In 2019, a dealer of american vehicles near Paris (France) called me for making safe the vehicle because...- HybridBatterix
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- Replies: 10
- Forum: Hybrid General Discussion
