Condition in which the fuel gauge reading changes when the vehicle is driven up or down an incline and...

Bulletin number

T-SB-0083-23

Component

Electrical system: instrument cluster/panel

Summary

TSB: Some 2021 ? 2022 model year Sienna Hybrid vehicles may exhibit a condition in which the fuel gauge reading changes when the vehicle is driven up or down an incline and left at an angle of up to 15° for five minutes or longer. The combination meter assembly ECU logic has been modified to reduce the possibility of this condition. Follow the Repair Procedure in this bulletin to reprogram the combination meter assembly ECU.

Owners of these vehicles have filed 32 complaints in the electrical category.