2010 Toyota Sienna Electrical System Problems

NHTSA component category: ELECTRICAL SYSTEM · data through 07/12/2026

20Electrical System complaints

11.6%Of all 172 complaints

#3Most-reported category

Source: U.S. NHTSA complaint data. Complaints are unverified reports from vehicle owners — a complaint is not a confirmed defect.

How electrical system ranks on this vehicle

STRUCTURE:BODY29 · 16.9%

Unspecified / other25 · 14.5%

ELECTRICAL SYSTEM20 · 11.6%

VEHICLE SPEED CONTROL18 · 10.5%

POWER TRAIN15 · 8.7%

Share of the 172 complaints citing each category; one complaint can cite several. Full breakdown on the 2010 Toyota Sienna overview page.

What owners report

“AIRBAG INFLATOR NEEDS REPLACING. SLIDING DOOR COULD OPEN DURING CAR MOVEMENT”NHTSA complaint 10928320 — filed 11/28/2016

“THE CONTACT OWNS A 2010 TOYOTA SIENNA. WHEN THE CRUISE CONTROL WAS ACTIVATED, IT WOULD DEACTIVATE INDEPENDENTLY. IN ADDITION, THE BUMPER SENSOR DETECTED OBJECTS THAT…”NHTSA complaint 10926086 — filed 11/15/2016

“OUR 2010 TOYOTA SIENNA RECENTLY HAD A CEL GO ON. NO CODES WERE FOUND BY LOCAL REPAIR SHOP SO TOOK THE CAR TO TOYOTA DEALER…”NHTSA complaint 10925556 — filed 11/11/2016

Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.

Electrical System complaints by year filed

Frequently asked questions

Does the 2010 Toyota Sienna have electrical system problems?

Electrical System is the #3 most-reported problem area on the 2010 Toyota Sienna: 20 of 172 complaints on file (11.6%). Complaints are unverified owner reports, not confirmed defects.

How many complaints does the 2010 Toyota Sienna have in total?

172 complaints were on file with NHTSA as of 07/12/2026. Across all categories, 15 involved a crash, 2 involved a fire, 13 reported injuries, and 1 reported deaths.

What does NHTSA's electrical system category include?

NHTSA assigns each complaint to standard component categories; this page reports the ELECTRICAL SYSTEM category exactly as NHTSA defines and records it.

About this data — Complaint figures on this page are consumer reports submitted to the National Highway Traffic Safety Administration (NHTSA), a U.S. government agency. NHTSA does not verify individual complaints; a complaint is not proof that a defect exists, and counts reflect what owners chose to report, not confirmed failure rates. Recall information comes from official NHTSA safety recall campaigns; recall repairs are free at authorized dealers. Always check your specific vehicle by VIN at nhtsa.gov/recalls. CarModelProblems.com is an independent site and is not affiliated with NHTSA or any vehicle manufacturer. Data through 07/12/2026.