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Toyota Grand Highlander: problems, complaints, bulletins

Summary for the Toyota Grand Highlander across 3 model years: 316 owner complaints and 170 NHTSA service bulletins, plus repair videos. Pick a year for details.

Model years

YearOwner complaintsinvolving a crashTechnical service bulletins (TSB)YouTube repair videos
202600253
2025790382
202423771273

What fails most often

87654321
  1. 1 Powertrain 22% of all complaints
  2. 2 Engine 16% of all complaints
  3. 3 Fuel/propulsion system 15% of all complaints
  4. 4 Air bags 9% of all complaints
  5. 5 Vehicle speed control 9% of all complaints
  6. 6 Electrical system 9% of all complaints
  7. 7 Structure 9% of all complaints
  8. 8 Suspension 5% of all complaints
Circle size and colour show each component’s share of NHTSA complaints. Schematic only, not a drawing of the exact model.

Engines and transmissions

US-market versions per EPA. On the right: how many NHTSA complaints name this engine or transmission type.

Drive: AWD, FWD

Symptoms owners describe

How many of the 316 NHTSA complaints mention each symptom (automatic count from complaint text; one complaint can mention several).

Components owners complain about

ComponentOwner complaintsinvolving a crashTechnical service bulletins (TSB)
Powertrain6814
Engine51016
Fuel/propulsion system4700
Air bags3030
Vehicle speed control3020
Electrical system28054
Structure28134
Suspension1700
Visibility1400
Service brakes1311
Forward collision avoidance1210
Steering1200
Backover prevention1010
Lane departure901

What owners report

Short excerpts of NHTSA complaints in the original wording. These are owner statements not verified by NHTSA; personal data removed.

When owners complained

NHTSA complaints by filing year. The peak shows at what age the problems show up most.

What to check before buying

Manufacturer service bulletins

Bulletin titles as filed with NHTSA.

Repair videos

We do not copy videos: these are YouTube links credited to their authors. Amounts are as stated by the author and not verified by us.

Other models of this make

Read also

Sources: public NHTSA data (USA): service bulletins and owner complaints; YouTube: links to videos credited to their authors. Complaints are owner statements not verified by NHTSA, and describe defects rather than crash damage. Data updated 2026-11-04.