2017 Toyota Sienna Transmission & Power Train Problems
NHTSA component category: POWER TRAIN · data through 07/14/2026
Source: U.S. NHTSA complaint data. Complaints are unverified reports from vehicle owners — a complaint is not a confirmed defect.
How power train ranks on this vehicle
Share of the 152 complaints citing each category; one complaint can cite several. Full breakdown on the 2017 Toyota Sienna overview page.
What owners report
“On Sunday, [XXX] (at 78,793 miles), our MY17 Sienna XLE AWD suddenly displayed a Malfunction Indicator Lamp (MIL) and a message advising "Check AWD System"…”NHTSA complaint 11579413 — filed 03/25/2024
“Mi toyota sienna 2017 se le daño la transmision con 62,000 milla de uso. Estaba transitado por la carretera aproximadamente a 40 milla por hora…”NHTSA complaint 11573031 — filed 02/20/2024
“I was driving and suddenly the 2017 Toyota Siena just lost all acceleration. The car no longer could move in gear. I put car into…”NHTSA complaint 11551218 — filed 10/22/2023
Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.
Power Train complaints by year filed
Frequently asked questions
Does the 2017 Toyota Sienna have transmission & power train problems?
Power Train is the most-reported problem area on the 2017 Toyota Sienna: 36 of 152 complaints on file (23.7%). Complaints are unverified owner reports, not confirmed defects.
How many complaints does the 2017 Toyota Sienna have in total?
152 complaints were on file with NHTSA as of 07/14/2026. Across all categories, 13 involved a crash, 4 involved a fire, 11 reported injuries, and none reported deaths.
What does NHTSA's power train category include?
NHTSA groups complaints about the transmission (automatic or manual), driveline, axles, transfer case and related parts under a single component category called POWER TRAIN. This page reports that category as NHTSA defines it.
