Structure
Risk. THE CABLE MAY BREAK DUE TO EXCESSIVE CORROSION AND THE SPARE TIRE MAY SEPARATE FROM THE VEHICLE, POSSIBLY RESULTING IN A VEHICLE CRASH.
NHTSA has logged 215 owner complaints about the 1999 Toyota Sienna, most often about the engine and engine cooling. It is covered by 2 safety recalls.
Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through December 16, 2020. Updated daily.
215 complaints grouped by the system owners reported.
| System | Complaints | Crash, fire or injury |
|---|---|---|
| Engine and engine cooling | 39 | 1 |
| Structure | 36 | 1 |
| Tires | 28 | 2 |
| Steering | 21 | 1 |
| Latches/locks/linkages | 19 | 2 |
| Suspension | 14 | 0 |
| Service brakes, hydraulic | 14 | 2 |
| Power train | 11 | 1 |
| Electrical system | 10 | 1 |
| 13 other systems | 40 | 14 |
Source: NHTSA Office of Defects Investigation. Complaints are submitted by the public and are not verified by NHTSA.
Each ring shows the share of affected cars repaired, from the manufacturer’s latest quarterly report to NHTSA. Recall repairs are free at authorized dealers.
Risk. THE CABLE MAY BREAK DUE TO EXCESSIVE CORROSION AND THE SPARE TIRE MAY SEPARATE FROM THE VEHICLE, POSSIBLY RESULTING IN A VEHICLE CRASH.
Risk. THIS CONDITION CAN CAUSE INTERMITTENT PERFORMANCE OF THE VEHICLE'S ELECTRICAL COMPONENTS SUCH AS THE DASH WARNING LIGHTS AND/OR HVAC FAN SPEED CONTROLS.
Recalls apply to specific cars. To see whether a recall is still open on yours, enter the 17-character VIN at nhtsa.gov/recalls or with Toyota.
Bars show complaints per model year. Colors show the CarFlaw verdict: complaints weighted for crashes, fires and injuries, adjusted for years on the road and compared with the Sienna median. How we score
1999 Toyota Sienna in NHTSA's New Car Assessment Program. Photos are from NHTSA's crash tests.

Federal investigations that included the 1999 Toyota Sienna, and the recalls they led to.
Recent engine and engine cooling complaints filed with NHTSA, shortened. Personal details are removed.
I HAVE A TOYOTA SIENNA 99 AND MY CHECK LIGHT COMING OUT AND START TO SMOKE SO I FIND THE ENGINE DO THE OIL BE SLUDGE, I WANT TO KNOW IF IS SOME WAY OF TOYOTA FIX THIS PROBLEM FOR ME WHIT OUT CHARGE BECAUSE IS A MANUFACTURE PROBLEM. *TR
I AM REPORTING ANOTHER TOYOTA STICKY ACCELERATOR PEDAL. OUR 1999 SIENNA MINIVAN HAS HAD 3 INCIDENTS OF STUCK ACCELERATOR, THE MOST RECENT WAS JAN. 21, 2010. I BELIEVE IT HAS BECOME "STUCK" BETWEEN 40 AND 45MPH. OTHER INCIDENTS WERE IN SUMMER (CANNOT REMEMBER DATE) AND OCTOBER 2009. THE 1ST INCIDENT…
1999 TOYOTA SIENNA ENGINE FROZE UP UNEXPECTEDLY. WAS ADVISED IT WAS POSSIBLY A SLUDGE PROBLEM. THIS VEHICLE WAS PURCHASED - USED - IN 2002 FROM A LOCAL DEALER WHO WILL NOT ACCEPT ANY RESPONSIBILITY FOR THE ESTIMATED $6850.00 ENGINE REPLACEMENT COST, EVEN THOUGH TOYOTA CHANGED THE ENGINE WARRANTY TO…
Decode your VIN to see the recalls for your exact car, then confirm open recalls with NHTSA.