This factory service and repair manual is written for the 2023 Sienna in particular — that model year, the 2.5L hybrid four-cylinder it was built with (Toyota's A25A-FXS), and the trim grade it left the factory as — so the specifications and tightening sequences you work to are the ones Toyota issued for this van and not numbers that drifted in from an earlier Sienna.
Engines
- 2.5L l4 HYBRID Naturally Aspirated
Trims
- 25th Anniversary Edition
- LE
- Limited
- Platinum
- Woodland Edition
- XLE
- XSE
Known issues on the 2023 Sienna. One recall is on federal record for this model year, and it reaches only vans equipped with wheelchair restraints: Vantage Mobility, LLC is recalling certain Toyota Sienna vehicles equipped with QRT-Deluxe and QRT-Max wheelchair restraints. NHTSA files the defect under adaptive and mobility equipment — wheelchair restraint securement, latch and anchorage — and the consequence on record is that an unsecured wheelchair can move during transit, increasing the risk of injury. No owner complaints have been filed with NHTSA for this model year, and Toyota has issued 58 technical service bulletins against it.
Whether you are tracing a fault one of those 58 bulletins already describes, servicing the hybrid drive, or checking the restraint securement hardware the recall calls out, it keeps you on Toyota's procedure and the correct value for this 2023 Sienna.
