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August 15, 2025 Service bulletin

Customers state Parking Brake efficiency concerns

Toyota technical service bulletin T-TT-0788-25 for 2023-2024 Toyota 4RUNNER.

Bulletin number
T-TT-0788-25 (T-TT-0788-25)
Component
Service brakes
Summary
Customers state Parking Brake efficiency concerns. The conditions can include the following: • The PKB Pedal feels loose or requires full depression for proper engagement. • Ineffective on steep surfaces, allowing the vehicle to roll with transmission in Neutral. • Ineffective on steep surfaces, allowing the vehicle to roll slightly with transmission in Park. [Transmission Dependency]

Owners of these vehicles have filed 4 complaints in the brakes category.

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