Power Train Related Problems of the 2020 Toyota Sienna

Table 1 shows two common power train related problems of the 2020 Toyota Sienna. The number one most common problem is related to the power train (seven problems). The second most common problem is related to the transmission fluid leaking (one problem).

Table 1. Power Train related problems of Toyota Sienna

Problem Category Number of Problems
Power Train problems
7
Transmission Fluid Leaking problems
1

Recently reported Power Train problems of the 2020 Toyota Sienna

The Power Train problem

My Toyota Sienna is a 2020, has 83,000 miles and has recently been squealing when I accelerate. I took the van to a local body shop and they said it seems to be my transmission. I called Toyota immediately and they knew that the transmissions were faulty and that they would try to work with Toyota   Read details...

The Transmission Fluid Leaking problem

Purchased rental program vehicle and immediately had vehicle serviced at the dealership. Received a phone call from service advisor that automotive technician had found a mechanical problem. It was stated that a hose had come loose/apart in the axle and fluid was leaking.   Read details...


Power Train related problems in other Toyota Sienna model year vehicles:



Sienna Service Bulletins
Sienna Safety Recalls
Sienna Defect Investigations