Hybrid battery
2021 Hyundai Sonata Hybrid Battery Replacement
Li-ion pack. Capacity-tested before it ships, fitment confirmed from your VIN.
- New aftermarket
- $3,349
Get a price for your 2021 Sonata Hybrid
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Codes that show up on the Hyundai Sonata Hybrid
If a scanner has given you a code, start here. None of them is an instruction to buy a battery — each page says what the code means, what else causes it, and what a proper diagnosis checks.
- P1B96P1B96 is the Hyundai and Kia code for high-voltage battery performance degradation. Before treating it as a verdict, note that Kia issued a service bulletin covering the 2011–2014 Optima Hybrid that groups P1B70, P1B74 and P1B96 together as a high-voltage battery sensor circuit fault — meaning the sensing circuit, not the cells, can set this code. On a lithium pack that distinction is worth several thousand dollars, so the bulletin gets checked first.
- P1B74P1B74 names the high-voltage battery voltage sensor circuit. A hybrid pack is only as trustworthy as the wiring that measures it, and when that circuit reports something implausible the battery management system stores a code. Kia's bulletin for the 2011–2014 Optima Hybrid lists P1B70, P1B74 and P1B96 together under a sensor circuit fault, which is the clearest statement available that these codes do not automatically mean the cells have failed.
- P1B70P1B70 is a manufacturer-specific code, and the manufacturers did not agree. On Hyundai and Kia hybrids it is a high-voltage battery imbalance code and appears in a Kia bulletin alongside P1B74 and P1B96 as a sensor circuit fault. On GM products it points at a specific cell circuit reading low. Reading a generic code list without checking which make it came from is how this one gets misdiagnosed, so the first question here is what you drive.
Having this done in the Phoenix metro
- Hyundai hybrid battery repair in Phoenix — what the job involves on this make.
- hybrid battery replacement in Phoenix — the price installed, what we do to the old pack, and how long it takes.
- hybrid battery diagnostic — before anyone quotes you a pack, someone should prove you need one.
- hybrid batteries shipped nationwide — outside Arizona, your own shop fits it.
- Vehicle
- 2021 Hyundai Sonata Hybrid
- Pack chemistry
- Li-ion
- Age now
- 5 years
- Generation
- 2020–2023
The redesigned Sonata Hybrid. A different lithium pack from the 2011–2019 car.
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Not sure what your hybrid needs? We'll work it out with you.
We come to you, test the pack, the 12V and the cooling, and you get a written quote before anything is decided. No obligation.