Power Train Related Problems of the 2018 Toyota Sienna

Table 1 shows two common power train related problems of the 2018 Toyota Sienna. The number one most common problem is related to the power train (14 problems). The second most common problem is related to the transmission stuck in gear (one problem).

Table 1. Power Train related problems of Toyota Sienna

Problem Category Number of Problems
Power Train problems
14
Transmission Stuck In Gear problems
1

Recently reported Power Train problems of the 2018 Toyota Sienna

The Power Train problem

My 2018 Sienna had developed a whining noise when accelerating. After taking it in to the mechanic, they advised the transmission was failing. Estimated price tag of $6500-7000 to repair. The vehicle has less than 140k miles.   Read details...

The Transmission Stuck In Gear problem

The van struggles to accelerate. There is no way to turn off eco mode. No button is available. Van struggles to go up hills , excelerate thru intersections and always hunting for gears or stuck in a gear and sounds and acts very heavy on power train end. There is an option to turn off eco light.   Read details...


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



Sienna Service Bulletins
Sienna Safety Recalls
Sienna Defect Investigations