2010 Toyota Highlander: Electrical System complaints
Owner-reported issue (NHTSA complaints, not a recall)
Symptoms
NHTSA has 55 owner complaints for the 2010 Toyota Highlander that list the electrical system component. Complaints are individual owner reports, not verified defects.
Examples:
- NHTSA complaint ODI #11722240 (filed 03/05/2026): “When applying the brake slowly all of a sudden the car went full acceleration and crashed 500ft away at high speed. the car is crashed but available for inspection for a short period of time until the insurance company takes full posession. there are not open recalls. the only lights on the dash wer…”
- NHTSA complaint ODI #11706861 (filed 12/23/2025): “The contact owns a 2010 toyota highlander. the contact stated that the gear shifter had been stuck on several occasions. the vehicle was taken to the dealer, where the fuses were replaced on several occasions; however, the failure persisted. the vehicle was taken back to the dealer, where it was dia…”
- NHTSA complaint ODI #11654081 (filed 04/11/2025): “The contact owns a 2010 toyota highlander. the contact stated that while driving 40 mph, the vehicle lost automotive power and started to drift to the right side of the road. the brake pedal was depressed, and the vehicle was able to come to a complete stop. the contact mentioned she waited for aaa …”
Likely causes
These complaints do not establish a single root cause; read the examples above and get a diagnosis.
Fix, in plain English
No single fix is established by these reports. Check your VIN for open recalls at nhtsa.gov/recalls, ask a dealer about technical service bulletins (TSBs) or extended warranty coverage, then have the system diagnosed.
DIY difficulty: Moderate
Finding and splicing chewed wiring is doable with a multimeter and patience but can be time-consuming; harness replacement is pro work. (Our assessment.)
Cost
No sourced cost range for this issue. Get a written quote after diagnosis.
Typical parts (search links, no affiliate codes)
AutoZone · O'Reilly · Advance · RockAuto
Sources
Page last updated .