Engine Hesitation/Surging

Hesitation when accelerating from a stop or non-linear acceleration with steady throttle. Often described as 'turbo lag' or 'dead pedal.' This is a known issue addressed by TSB T-SB-0087-23, which involves an ECM software update. Estimated repair cost: $0 - $150 (for TSB update).

Front Bumper Detachment

Reports of the front bumper cover detaching, mirroring recall data. This can occur after minor impacts. Estimated repair cost: $100 - $500.

Electrical System/Infotainment Glitches

Complaints include instrument cluster malfunctions, warning light issues, and infotainment system freezing or rebooting. TSB T-SB-0015-24 addresses head unit software updates for certain models. Estimated repair cost: $0 - $200 (for software updates).

2023 Toyota Highlander Maintenance guide

Name: Maintenance dataset for 2023 Toyota Highlander
Creator: Carfocal

v1.0Updated May 30, 2026Ryan Davis22 Sources Analyzed16 Critical Recalls

MAINTENANCE SUMMARY

The 2023 Toyota Highlander presents a mixed bag for owners, with a 'Below Average' reliability verdict stemming from significant safety recalls and widespread complaints about critical systems. The most pressing mechanical concern is engine hesitation and surging, often described as a 'dead pedal' or 'turbo lag,' particularly noticeable when accelerating from a stop.

Powertrain: Hybrid (HEV)

View Critical Issue: Service Brakes Issues

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Reliability Score

Est. Annual Maintenance Cost

$489

TSBs & Recalls

13 TSBs | 181 Recalls

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Key Takeaways

Engine hesitation and surging are the most prominent mechanical concerns, addressed by TSB T-SB-0087-23.
Brake system issues, including loss of pressure and rotor warping, require vigilant monitoring.

3 more takeaways unlock below

Critical service intervals

Common failure analysis

Symptoms and prevention guidance