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January 27, 2026 Service bulletin

Turbo Charger Under-boost

Bentley technical service bulletin 2079115/1 for 2018-2023, 2025-2026 Bentley Bentayga, 2018-2024 Bentley Continental GT and 2019-2024 Bentley Continental GT Cabrio and others.

Bulletin number
2079115/1
Component
Engine
Summary
Turbo Charger Under-boost - DTC P029900 is evident in 0001 | V8 Kovomo | All Models. Customer Statement: The engine warning light comes on and the vehicle loses power. Workshop Findings: Customer statement can be verified and the following entries may be logged within the engine control unit. • P029900: Turbo/Super Charger Under-boost, passive/sporadic.

Owners of these vehicles have filed 1 complaints in the engine category.

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