Tl* the contact owns a 2010 Toyota sienna. The contact received notification of NHTSA campaign numbers: 17v657000 (power train) and 14v273000 (tires); however, the part to do the repair was unavailable. The contact stated that the manufacturer exceeded a reasonable amount of time for the recall repair. Ourisman chantilly Toyota-Scion in chantilly, virginia was made aware of the recall and stated…
2010 Toyota Sienna powertrain problems
moderate 17 complaints filed with NHTSA · avg repair $2,500 · see powertrain across all vehicles →
Failure mileage
Complaints
17
Recalls
0
Avg fix
$2,500
What stands out
No new NHTSA powertrain complaint has been filed on this vehicle in over 8 years — the issue may be aging out of the active population.
The failure pattern owners describe
Buyer takeaway: Multiple 2010 Sienna owners report catastrophic oil system failures causing sudden total oil loss, transmission failures requiring full replacement often outside warranty coverage, and control issues like excessive cold-start idle and shifter sensitivity. These are not minor issues—they result in stalled vehicles on highways, towing costs, and repair bills up to $3,600, with some owners abandoning the vehicle entirely due to safety concerns.
Owners describe three main problems in the 2010 Sienna powertrain:
Oil system failures. Two complaints detail sudden catastrophic oil loss from a failing hose connected to the oil cooler or VVT oil line (part #15772-31030). In one case, the oil drained during highway driving with no warning lights, and damage occurred to the engine before the oil pressure indicator finally came on. The owner questioned how the dipstick showed dry oil yet the low-pressure warning delayed. A second complaint reported complete oil loss after an oil line burst on the highway, with the dip stick showing dry, yet no warning lights initially alerting the driver.
Transmission catastrophic failures. Multiple owners report transmission breakdowns, including sudden stalls, hard shifting, lurching, and internal seizure. One owner replaced the transmission twice within two years (2014 and 2016), both times during vacations, paying up to $3,600. Another describes transmission gears seizing at a red light, causing the transmission cover to explode with parts falling onto the road. A third reports a transmission that "exploded," with parts detaching from the casing at 80,000 miles.
Cold-start and control issues. Owners report high idle speeds (1,600–1,800 RPM) at startup in cold weather (20°F or lower) for extended periods, causing unexpected lurching when shifting into gear. One complaint describes an extremely sensitive gear shifter that shifts to neutral with minimal contact. Another reports a child moving the gear shifter from Park to Reverse while the vehicle was parked with the key removed.
Recall delays. Several complaints mention NHTSA campaign 17V657000 (powertrain) with parts unavailable for repair, causing delays exceeding reasonable timeframes.
Same Toyota Sienna powertrain reports on nearby years: 2007 · 2008 · 2011 · 2012 · 2013
Failure modes owners describe
Oil cooler/VVT oil line burst
Rubber oil hose to oil cooler or VVT system ruptures during driving, causing rapid complete oil loss with no warning indicator until pressure drops critically.
When: During highway driving; reported at unknown mileage on two separate vehicles
Symptoms owners cite: Sudden catastrophic oil leak from front of engine; Oil dipstick shows dry when checked; No warning lights illuminate or they appear delayed; Engine growling and ticking noise before warning light comes on
Repairs/costs cited: Oil line hose replaced; part #15772-31030 identified as problematic rubber line now available in all-metal version. One repair cost unknown; second owner had to replenish oil which immediately leaked out upon restart.
Transmission internal seizure and catastrophic failure
Transmission gears seize or internal components fail, causing loss of power, stalling, violent noises, and in severe cases, transmission casing rupture with parts detaching.
When: At 80,000 miles; at 82,000 miles; at 50,000 miles; within 2 years of prior transmission replacement
Symptoms owners cite: Loud clanging, thudding, grinding, or booming noises from transmission; Sudden loss of vehicle power while driving; Vehicle stalls or lurches; Hard shifting and humming on acceleration; Transmission cover or casing ruptures; Transmission fluid empties entirely on road
Repairs/costs cited: Full transmission replacement required; two owners paid $1,404–$3,600 for repairs. One owner replaced transmission twice in two years (April 2014 and March 2016); Toyota initially covered 70% of first failure, refused warranty on second. One transmission deemed unrepairable.
Recalls/TSBs owners mention: NHTSA campaign 17V657000 (powertrain) issued; repair parts unavailable for extended periods, preventing recall completion. Toyota declined to cover later failures as out of warranty.
Elevated cold-start idle and lurching
Engine idles abnormally high (1,600–1,800 RPM) for extended duration during cold-weather starts (20°F and below), causing unexpected vehicle lurch when driver shifts into gear and releases brake.
When: Cold ambient temperatures (20°F or lower); affects vehicle start behavior
Symptoms owners cite: Engine RPM rises to 1,600–1,800 at cold start; Idle remains elevated for 2+ minutes before dropping to 1,100 RPM; Vehicle lurches unexpectedly when shifting and releasing brake; Behavior unpredictable and occurs every cold start
Repairs/costs cited: No repair procedure known to dealers. Owners documented service reports of complaint with no resolution offered.
Recalls/TSBs owners mention: Dealer service manager stated no adjustment available and offered no resolution.
Gear shifter sensitivity and unintended shifts
Gear shifter is excessively sensitive or mechanically unsound, allowing unintended shifts to neutral during driving or from Park to Reverse while vehicle is parked with key removed.
When: Reported at 168,837 miles and during normal operation
Symptoms owners cite: Slightest touch of gear shifter causes unintended shift to neutral while driving; Child able to move shifter from Park to Reverse while vehicle parked and key removed; Unintended shifts create loss of vehicle control
Repairs/costs cited: Failure unable to be duplicated in one case; no repair documented.
Recalls/TSBs owners mention: Manufacturer notified; NHTSA campaign 17V657000 identified shift solenoid issue; parts backordered preventing recall repair.
Transmission noise and secondary failures post-replacement
After transmission replacement by dealer, vehicle exhibits ongoing transmission-related noise, engine knocking, and high idle RPM, all claimed by dealer to be within normal range despite customer safety concerns.
When: After transmission replacement; appears on replacement transmission in new vehicle
Symptoms owners cite: Whistling noise while driving (reduced after replacement but not eliminated); Constant loud humming from transmission/engine; Engine RPM goes to 1,600 on start; Knocking noise from vehicle pickup; Owner reports not feeling safe driving vehicle
Repairs/costs cited: Transmission replaced by dealer; dealer and manufacturer claim all remaining symptoms are within normal range and refuse further service.
Recalls/TSBs owners mention: Dealer and manufacturer claim symptoms are within normal operating range.
Synthesized from 17 NHTSA owner complaints — unverified consumer allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting 2 most recent
Tl* the contact owns a 2010 Toyota sienna. The contact received notification of NHTSA campaign number: 17v657000 (power train). The part to do the recall repair was not yet available. Bill kidd Toyota (107 industry ln, cockeysville, md 21030, (410) 666-5030) and the manufacturer were notified. The vehicle was not repaired. The contact had not experienced a failure. Parts distribution disconnect.
Had powertrain trouble with your 2010 Toyota Sienna?
File a complaint with NHTSA → It's free, official, and how every report above got here — owner filings are the federal safety record this page is built on.
Common questions
How serious is the powertrain problem on the 2010 Toyota Sienna?
It's a documented issue but not catastrophic. 17 complaints have been filed. Repairs average $2,500 and most owners catch it before it causes a breakdown.
At what mileage does the powertrain typically fail?
Across the 11 complaints that reported odometer mileage, most powertrain failures cluster between 44,000 and 96,000 miles, with the median around 80,000. A quarter of owners report trouble before 44,000; a quarter make it past 96,000. Maintenance history matters more than the odometer alone — this is the reported failure window, not a guarantee.
What does it cost to fix?
Independent shops typically charge around $2,500 for powertrain repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to powertrain?
No active recalls currently cover powertrain issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.
Related
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Verify the raw federal record at
nhtsa.gov/vehicle/2010/Toyota/Sienna.
Severity ratings are derived from reported crashes, fires, injuries, and fatalities. Repair cost estimates are
independent-shop national averages and may differ in your area. Some links on this page are affiliate links.