2006 Toyota Highlander 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 274 complaints citing each category; one complaint can cite several. Full breakdown on the 2006 Toyota Highlander overview page.
What owners report
“THE CONTACT OWNS A 2006 TOYOTA HIGHLANDER HYBRID. THE CONTACT STATED THAT THE LIGHTS ON THE INSTRUMENT PANEL REMAINED ILLUMINATED AND THE CONTACT WAS UNABLE…”NHTSA complaint 10439415 — filed 12/12/2011
“I WENT TO THE DEALER RELATED TO NHTSA CAMPAIGN ID NUMBER: 11V34200. THE DEALER CHECK THE HIGHLANDER AND SAID THAT THE RECALL NOT APPLY AND…”NHTSA complaint 10425324 — filed 09/13/2011
“I WAS DRIVING IN MY HIGHLANDER WITH MY DAUGHTERS IN THE BACK SEAT WHEN SUDDENLY OUT OF NO WHERE ALL THE ALERT LIGHTS CAME ON…”NHTSA complaint 10424256 — filed 09/08/2011
Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.
Electrical System complaints by year filed
Frequently asked questions
Does the 2006 Toyota Highlander have electrical system problems?
Electrical System is the #3 most-reported problem area on the 2006 Toyota Highlander: 26 of 274 complaints on file (9.5%). Complaints are unverified owner reports, not confirmed defects.
How many complaints does the 2006 Toyota Highlander have in total?
274 complaints were on file with NHTSA as of 07/14/2026. Across all categories, 29 involved a crash, 4 involved a fire, 30 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.
