2012 Toyota Prius Electrical System Problems
NHTSA component category: ELECTRICAL SYSTEM · data through 07/14/2026
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
Share of the 419 complaints citing each category; one complaint can cite several. Full breakdown on the 2012 Toyota Prius overview page.
What owners report
“OVER THE LAST NINE MONTHS I HAVE HAD TO REPLACE THE BULBS IN MY 2012 TOYOTA PRIUS 6 TIMES. WHEN I BROUGHT IT TO THE…”NHTSA complaint 10733546 — filed 07/13/2015
“THE CONTACT OWNS A 2012 TOYOTA PRIUS. THE CONTACT STATED WHILE DRIVING APPROXIMATELY 25 MPH, THE VEHICLE STALLED AND ALL OF THE WARNING LIGHTS ILLUMINATED…”NHTSA complaint 10682480 — filed 02/10/2015
“I WENT TO START MY PRIUS V. AFTER IT WAS STARTED, A NUMBER OF THE WARNING LIGHTS CAME ON INCLUDING THE ABS AND STABILITY CONTROL…”NHTSA complaint 10650709 — filed 10/28/2014
Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.
Electrical System complaints by year filed
Frequently asked questions
Does the 2012 Toyota Prius have electrical system problems?
Electrical System is the #2 most-reported problem area on the 2012 Toyota Prius: 49 of 419 complaints on file (11.7%). Complaints are unverified owner reports, not confirmed defects.
How many complaints does the 2012 Toyota Prius have in total?
419 complaints were on file with NHTSA as of 07/14/2026. Across all categories, 45 involved a crash, 2 involved a fire, 31 reported injuries, and none 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.
