VehicleVerdict

2012 Toyota Sienna electrical system problems

The 2012 Toyota Sienna has 30 electrical system complaints filed with NHTSA — 9% of the year's total, and down from the prior model year.

30

Electrical System complaints

9%

Share of year

1

Crash-involved

1

Related recalls

Electrical System complaints by year

Sienna electrical system complaints by model year220 complaints1998: 16 complaints1999: 12 complaints2000: 20 complaints2001: 21 complaints2002: 26 complaints2003: 6 complaints2004: 220 complaints2005: 115 complaints2006: 121 complaints2007: 27 complaints2008: 75 complaints2009: 31 complaints2010: 24 complaints2011: 72 complaints2012: 30 complaints2013: 26 complaints2014: 19 complaints2015: 50 complaints2016: 9 complaints2017: 22 complaints2018: 6 complaints2019: 4 complaints2020: 7 complaints
Sienna electrical system complaints by model year. Red bars are years to avoid.

Related recalls

12V120000Electrical SystemMarch 23, 2012 · 363 units

Defect

GULF STATES TOYOTA IS RECALLING CERTAIN MODEL YEAR 2012 4RUNNER AND SIENNA VEHICLES, EQUIPPED WITH NON-ORIGINAL EQUIPMENT REMOTE ENGINE STARTERS. A MALFUNCTION IN THE AUDIOVOX ELECTRONICS BRAND REMOTE ENGINE STARTER MODULE CAN PREVENT NORMAL COMMUNICATION OF THE VEHICLE’S CONTROLLER AREA NETWORK (CAN).

Consequence

IF THIS CONDITION OCCURS, ANTILOCK BRAKING AND STABILITY CONTROL MAY BE LOST, INCREASING THE RISK OF A CRASH. DRIVERS SHOULD RECEIVE DASHBOARD WARNING LIGHTS WARNING THEM OF A MALFUNCTION.

Remedy

GULF STATES TOYOTA WILL NOTIFY OWNERS, AND DEALERS WILL REPLACE THE REMOTE ENGINE STARTER WITH A NEW ONE FREE OF CHARGE. THE SAFETY RECALL IS EXPECTED TO BEGIN ON OR ABOUT JUNE 4, 2012. OWNERS MAY CONTACT TOYOTA AT 1-800-444-1074.

What owners report

“ON THE AFTERNOON OF JANUARY 10, 2019, MY TOYOTA SIENNA FAILED TO BRAKE AND RESULTED IN A TWO-CAR COLLISION. JUST BEFORE THE ACCIDENT, MY SON WHO WAS SEATED IN THE SECOND-ROW, OBSERVED ON THE MULTI-INFORMATION DISPLAY THAT THE ABS, VSC, AND TRAC WERE DISPLAYING.”

Complaint filed with NHTSA · Electrical System · January 10, 2019 · crash

Common questions

How many electrical system complaints does the 2012 Toyota Sienna have?

NHTSA has 30 complaints about the 2012 Toyota Sienna electrical system — 9% of all complaints filed for that model year.

Are there recalls for the 2012 Toyota Sienna electrical system?

Yes — 1 NHTSA recall campaign for this model year is tied to the electrical system: 12V120000.

Related

Based on NHTSA ODI data through June 2026. Complaints are consumer-reported and unverified. Updated July 5, 2026.

Compiled by Sharon Ben-Moshe, Founder.