Problems · NHTSA complaints

1998 Toyota Sienna problems

Owners filed 302 complaints about the 1998 Toyota Sienna with NHTSA between Jul 1997 and Mar 2024. The most-cited component is service brakes, hydraulic (43).

Complaints
302
Filed with NHTSA
Crashes
19
Reported by owners
Fires
3
Reported by owners
Injuries
17
People reported injured
Deaths
0
Reported to NHTSA
01 —By component

Complaints by component

One complaint can cite several components
  1. Service brakes, hydraulic43
  2. Latches/locks/linkages40
  3. Tires38
  4. Structure34
  5. Engine and engine cooling33
  6. Steering25
  7. Power train23
  8. Visibility16
  9. Electrical system14
  10. Air bags13
  11. Seat belts12
  12. Suspension11
  13. Vehicle speed control9
  14. Equipment8

Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.

Data from NHTSA Complaints API · synced Nov 11, 2026NHTSA vehicle page
02 —Trend

When complaints were filed

Does it get worse with age? Complaints per calendar year filed
View as table
Model yearComplaints filed per calendar year
19971
199818
199972
200037
200128
200231
200331
200428
200510
20069
20074
20086
20093
20109
20111
20122
20131
20144
20152
20162
20171
20180
20191
20200
20210
20220
20230
20241

Mileage at failure isn’t a structured field in NHTSA complaint data, so we don’t chart it. Some owners mention it in their reports below.

03 —Owner reports

Top problems in owners’ words

Verbatim from NHTSA complaints, newest first

Service brakes, hydraulic

43 reports1 crash
“WHILE DRIVING 5 MPH ABS ENGAGED. THIS CAUSED THE CONSUMER TO HAVE EXTENDED STOPPING DISTANCE WHEN THE BRAKE PEDAL WAS DEPRESSED. DEALERSHIP WAS NOTIFIED, BUT DID NOT RESOLVE THE PROBLEM. *AK”
Owner complaint to NHTSAFiled Jul 13, 2004Service brakes, hydraulicODI 10081801

Latches/locks/linkages

40 reports
“1998 TOYOTA SIENNA CANNOT LOCK AND UNLOCK BOTH REAR SLIDING DOORS ELECTRONICALLY FROM THE LOCK-AND-UNLOCK BUTTONS OF THE FRONT DRIVE AND PASSENGER CAR DOORS. *TR”
Owner complaint to NHTSAFiled Nov 9, 2010Latches/locks/linkagesODI 10365070

Tires

38 reports1 fire
“IT APPEARS THAT TOYOTA HAS CREATED ARTIFICIAL OBSTACLES TO PREVENT MY OBTAINMENT OF AN ELIGIBLE REIMBURSEMENT FOR RECALL (SAFETY RECALL A9E - TIRE CARRIER CABLE) REPAIRS. IN RESPONSE TO THE RECALL NOTICE I HAD THE CABLE INSPECTED THEN CONTACTED TOYOTA IN ACCORDANCE WITH THE RECALL LETTER BUT I WAS DENIED REIMBURSEMENT. ON OCTOBER 2, 2013 I WROTE TO TOYOTA FOLLOWING THE INSPECTION AND ATTACHED THE ORIGINAL WORK ORDER FROM A TOYOTA DEALER FOR THE REPLACEMENT OF PART NUMBER "51900-08010" AS REQUIRED. I RECEIVED AN OCTOBER 17TH RESPONSE SAYING I NEEDED TO PROVIDE ANSWERS TO THREE QUESTIONS:REASON THE VEHICLE BROUGHT INTO THE REPAIR FACILITY; THE REPAIR FACILITY DIAGNOSES, AND THE REPAIR PERFORMED IN ORDER TO CORRECT THE CONCERN. AFTER SEVERAL TELEPHONE CALLS TO TOYOTA CUSTOMER SERVICE AND AGAIN HAVING THE CURRENT CABLE REINSPECTED, OBTAINING AND FORWARDING COPIES OF THE REPAIR ORDER, PROOF OF PAYMENT, AND OWNERSHIP OF THE VEHICLE FOR REPAIR WORK PERFORMED BY A TOYOTA DEALERSHIP USING AN IDENTICAL PART NUMBER FOR REIMBURSEMENT ELIGIBILITY, I WAS DIRECTED TO CONTACT THE MANAGER AT THE DEALERSHIP AND OBTAIN WRITTEN INFORMATION ON THE CAUSE OF THE BREAKAGE THAT…”
Owner complaint to NHTSAFiled Aug 12, 2014Structure, TiresODI 10621714

Structure

34 reports1 related recall
“TL* THE CONTACT OWNS A 1998 TOYOTA SIENNA. THE CONTACT RECEIVED A NOTIFICATION RELATED TO NHTSA CAMPAIGN ID NUMBER 10V160000(STRUCTURE) AND STATED THAT THE REPAIR WAS NOT TAKEN CARE OF IN A REASONABLE AMOUNT OF TIME. THE DEALER INDICATED PARTS WERE NOT AVAILABLE. THE CONTACT HAD NOT EXPERIENCED A FAILURE. THE MANUFACTURER WAS CONTACTED.”
Owner complaint to NHTSAFiled May 13, 2014StructureODI 10588148

Engine and engine cooling

33 reports1 fire
“ENGINE LIGHT CAME ON IN MY 1998 TOYOTA SIENNA ON I75 IN ATLANTA GA WHILE VISITING FRIENDS, WAS ABLE TO GET TO MEDIAN BEFORE IT DIED. HAD IT TOWED TO INDEPENDENT MECHANIC WHO VERIFIED SLUDGE BUILD UP. CALLED TOYOTA ABOUT ENGINE FAILURE. WAS TOLD TO TAKE VAN TO A TOYOTA DEALERSHIP IN SC (WHERE WE LIVE) TOWED THE VAN HOME TOOK IT TO DEALERSHIP WHO ALSO VERIFIED SLUDGE BUILD UP. WAS TOLD BY TOYOTA THAT THEY WERE AWARE OF THE PROBLEMS IN THEIR ENGINES BUT WAS NOT GOING TO PAY FOR ENGINE REPLACEMENT BECAUSE WE DID NOT HAVE RECEIPTS PROVING THAT OIL/FILTERS CHANGES WERE MADE. WE CHANGED OUR OIL EVERY 3000 MILES WITHOUT FAIL. IF WE DIDN'T ENGINE WOULD HAVE DIED SOONER. TOYOTA DID SAY THAT WE COULD PAY FOR REPAIRS $9000 AND THEN SUBMIT RECEIPTS FOR REVIEW AND MAY BE REIMBURSED FOR REPAIRS. STILL FIGHTING WITH TOYOTA, HAVE MADE COMPLAINT WITH BBB. POLICE WERE CALLED TO THE SCENE, I WAS ALONE WITH 4 CHILDREN. *NM”
Owner complaint to NHTSAFiled Feb 16, 2006Engine and engine coolingODI 10150407

Steering

25 reports4 crashes1 fire
“CAR STARTED MAKING CLUNKING NOISES WHEN TURNING THE STEERING WHEEL. TOOK IT TO A MECHANIC WHO TEST DROVE IT AND EXAMINED THE STEERING. HE VALIDATED THE CLUNKING NOISE AND SAID HE FOUND THE STEERING RACK WAS BROKEN AT THE MOUNT AND NEEDS TO BE REPLACED TO DRIVE THE CAR SAFELY.”
Owner complaint to NHTSAFiled Jun 10, 2015SteeringODI 10724653
Data from NHTSA Complaints API (owner reports, unverified) · synced Nov 11, 2026

Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.