Toyota · 2021–present (hybrid-only generation, US)
Toyota Sienna Hybrid battery service
Toyota Sienna Hybrid battery diagnosis and replacement across the Phoenix metro. The Sienna is hybrid-only and uses a lithium pack, replaced as a complete assembly.
Toyota Sienna hybrid battery at a glance
- Battery type
- Lithium-ion
- Repair route
- Replaced as a complete assembly. Lithium packs are not rebuilt at module level
- Manufacturer coverage
- Most are still inside Toyota's hybrid component warranty — check with a dealer first
Get a price for your Toyota Sienna Hybrid
Pick what you need and how to reach you. You get a written quote before anything is ordered.
Symptoms Sienna Hybrid owners report
- Reduced power loaded or on a climb.
- City fuel economy dropping faster than freeway economy.
- A hybrid system warning light.
- The engine running where the van used to move off electrically.
- Several warning lights at once, which is usually the 12V battery.
Toyota Sienna hybrid battery questions
My Sienna feels weak on hills when it is loaded. Is that the battery?
Should I have the hybrid battery cooling checked on a newer Sienna?
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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.