Dec 23, 2012Electrical systemLights
NO DASHBOARD LIGHTS WHEN VAN IS STARTED, ONLY COME ON WHEN LIGHT SWITCH IS ACTIVATED. DASHBOARD ON VISIBLE ON CLOUDY DAYS. *TR
NHTSA ODI 10489555
Home · 2012 Toyota Sienna · Complaints
What 247 owners told NHTSA about the 2012 Toyota Sienna
These are the actual owner complaints behind this car’s reliability verdict, filed with the federal government, unedited. They’re unverified reports, not confirmed defects: read them as leads for your pre-purchase inspection, not a diagnosis.
All (247)Crash / fire / injury (16)Airbags (84)Body & structure (72)Electrical system (27)Transmission & drivetrain (17)Steering (15)Wheels (12)Brakes (11)Speed control (11)Engine (9)Tires (8)
27 of 247 complaints match · Electrical system · clear filters · page 2 of 2
Jul 5, 2012Electrical system
BRAND NEW VEHICLE LASTED ABOUT A WEEK, WIFE PARKED CAR, WENT INTO STORE, CAME OUT AND VAN WOULD NOT START, WIFE AND KIDS WERE STRANDED IN ROUGH PART OF NEIGHBORING CITY, BATTERY DEAD, TOYOTA SERVICE TESTED CHARGING SYSTEM AND FOUND NOTHING WRONG, THEY DIDN'T REPLACED BATTERY AS A PRECAUTION. *TR
NHTSA ODI 10464253
Working with the data? Download all 247 complaints as CSV · fetched from NHTSA July 19, 2026
How to use these: a complaint is one owner’s report, filed voluntarily and published unverified. Patterns matter more than any single story. If several owners describe the same failure at similar mileage, put that system at the top of your pre-purchase inspection list. Back to the full 2012 Toyota Sienna verdict →