2026 Toyota GRAND HIGHLANDER problems and owner complaints
Explore the records behind recurring owner reports.
Key facts
30 owner complaints analyzed
2 distinct recall campaigns
Not available median reported failure mileage
Scope: 2026 model year. Data snapshot: . 0 complaints include usable failure mileage.
Most common problems
Unknown Or Other is the most frequently named component, appearing in 10 of 30 complaints (33.3%). A complaint can name multiple components.
| Topic | Matching reports | Share of complaints |
|---|---|---|
| Transmission and shifting | 3 | 10.0% |
| Engine operation | 1 | 3.3% |
| Braking behavior | 1 | 3.3% |
| Fuel system concerns | 1 | 3.3% |
Topic matches use published keyword rules. They describe mentions, including negations or comparisons, and do not confirm a diagnosis. Read the matching rules.
Component breakdown
Number of unique complaints naming each component. Top eight shown.
| Category | Count |
|---|---|
| Unknown Or Other | 10 |
| Structure:Body | 7 |
| Engine | 6 |
| Forward Collision Avoidance: Automatic Emergency Braking | 2 |
| Fuel/Propulsion System | 2 |
| Electrical System: Instrument Cluster/Panel | 1 |
| Forward Collision Avoidance: Warnings | 1 |
| Lane Departure: Assist | 1 |
Unknown Or Other: 10; Structure:Body: 7; Engine: 6; Forward Collision Avoidance: Automatic Emergency Braking: 2; Fuel/Propulsion System: 2; Electrical System: Instrument Cluster/Panel: 1; Forward Collision Avoidance: Warnings: 1; Lane Departure: Assist: 1
Reported problems by failure mileage
Complaint counts in mileage bands. These are not failure rates per vehicle or mile.
| Category | Count |
|---|---|
| Under 25,000 | 0 |
| 25,000 to 49,999 | 0 |
| 50,000 to 74,999 | 0 |
| 75,000 to 99,999 | 0 |
| 100,000 to 149,999 | 0 |
| 150,000 and above | 0 |
Under 25,000: 0; 25,000 to 49,999: 0; 50,000 to 74,999: 0; 75,000 to 99,999: 0; 100,000 to 149,999: 0; 150,000 and above: 0
No usable failure mileage is recorded. 30 complaints have missing, zero or invalid mileage.
Complaints over time
Year the complaint was filed, not the vehicle model year or incident year. The snapshot year is partial.
| Category | Count |
|---|---|
| 2025 | 1 |
| 2026 | 29 |
2025: 1; 2026: 29
Pattern summary
Unknown Or Other leads the component reports. Transmission and shifting appears in 3 complaint narratives. Engine operation appears in 1 complaint narratives. Braking behavior appears in 1 complaint narratives. Use these patterns to inspect individual reports and prepare questions for a mechanic.
Calculated from recorded counts. An AI narrative has not been published for this selection.
Complaint evidence
Examples provide context, not a representative sample or a verified diagnosis.
Owner report 11713179 · 2026-01-25 (January 25, 2026)
The Electronic Park Brake (EPB) fails to release when the car is shifted into gear. The park brake dashboard light remains on, and the brake does not release. The problem is intermittent but has occurred multiple times in the first 2 months and 2,000 miles of owning the newly purchased vehicle. The vehicle was purchased in Nov 2025, and in Jan 2026 it was taken to the authorized Toyota service center at the Toyota dealership where it was purchased to have this issue repaired. But Toyota refused to replace any parts. Multiple photographs of…
Owner-reported narrative. Look up ODI 11713179 at NHTSA ↗
Owner report 11747505 · 2026-06-30 (June 30, 2026)
Component: Automatic transmission, 2026 Toyota Grand Highlander Hybrid MAX Platinum AWD. Available for inspection. Purchased new 11/21/2025 at zero miles. Beginning ~2000 miles (est Feb 2026), intermittent transmission malfunction during acceleration: transmission holds gears at elevated RPMs beyond expected shift point, then shifts harshly or shudders violently. Documentation began 6/1/2026; current odometer 8936 miles. Occurs from 22–64 mph, most commonly 30–44 mph, in Normal and Sport modes, after cold starts, extended driving, and brief st…
Owner-reported narrative. Look up ODI 11747505 at NHTSA ↗
Owner report 11740216 · 2026-05-26 (May 26, 2026)
Failed System: Fuel Injector Failure (?) at high speeds, under load (uphill), causing an immediate and life threatening loss of power. While traveling on the highway, going up mountainous areas, the vehicle loses power and shakes violently. During multiple repairs/visits, the dealerships state that it is the failure of fuel injectors. They are replaced, and it happens again with the same explanation. Safety: Three times my family has lost power at 70mph while traveling uphill surrounded by many cars. The last event ended in a a scary and…
Owner-reported narrative. Look up ODI 11740216 at NHTSA ↗