Li-ion
Toyota Corolla Cross Hybrid 2023+ (US, M20A-FXS) Lithium-ion Hybrid Battery
The Toyota Corolla Cross Hybrid 2023+ (US, M20A-FXS) Lithium-ion Hybrid Battery is the high voltage battery in the Toyota Corolla Cross Hybrid (2023-2026).
At a Glance
- Li-ion chemistry
- 222 volts nominal
- air-cooled; battery cooling blower assembly cooled
Specifications
| Chemistry | Li-ion |
|---|---|
| Nominal voltage | 222 V |
| Cooling | air-cooled; battery cooling blower assembly |
| Location | cabin area under the rear seat |
Cars That Use It
- Toyota Corolla Cross Hybrid 2023-2026 US: AWD, M20A-FXS, built at MTMUS (Huntsville) per VIN table Run the checklist
What Goes Wrong
Reported failures, each from a source listed below, as of October 7, 2026.
Symptoms
- Toyota's 2023 Corolla Cross Hybrid Warranty & Maintenance Guide schedules an inspection of the HV battery cooling intake filter, with a visual check for dirt or dust every 5,000 miles and cleaning if necessary. (techinfo.toyota.com: T-MMS-23CorollaCrossHV.pdf, 2026-10-07)
Recalls
- 25V869000 2026 A bolt inside the inverter may not have been tightened properly, leaving incomplete contact at an inverter terminal.
Check the exact car by VIN at nhtsa.gov/recalls.
Warranty
Toyota's 2023-2026 Corolla Cross Hybrid Warranty & Maintenance Guides list a Hybrid Battery Warranty of 10 years or 150,000 miles from the in-service date, whichever comes first. (techinfo.toyota.com: T-MMS-23CorollaCrossHV.pdf, 2026-10-07)
Get This Pack Tested
Do not open it yourself. The pack can hurt you with the car switched off.
Last updated October 7, 2026. Failure and recall notes are as of that date. Spotted a mistake, or speaking for a maker? Report an error.
Hybrid Battery Test is independent. It is not affiliated with, sponsored by or endorsed by Toyota. Names and part numbers are used only to identify the vehicle and the part.