Service bulletins for the 2020 Bentley Flying Spur
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
710 on file from NHTSA, as of 2026-10-19.
About P0299 on the 2020 Bentley Flying Spur: what the code means, and the bulletins and recalls about the same components.
By type
By component
By trouble code
Only bulletins with trouble code: P0299 are shown. Show all
| 2079115/2 | 2026-04-05. Service bulletin. ENGINE; ELECTRICAL SYSTEM. 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. |
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| 2079115/1 | 2026-02-04. Service bulletin. ELECTRICAL SYSTEM; ENGINE. 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. |
| 2063954.5 | 2023-11-08. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. Engine warning light illuminated within the DIP during acceleration - DTC P029900 evident - W12 TSI only Customer Statement: -Engine warning light and max engine speed 4000 rpm warning evident within the DIP during acceleration - Warning on DIP first appears when accelerating (During boost) |
| 2063954.4 | 2023-06-07. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. Engine Warning Light Illuminated Within The DIP During Acceleration - DTC P029900 Evident - W12 TSI Only Customer Statement: -Engine warning light and (max engine speed 4000 rpm) warning evident within the DIP during acceleration - Warning on DIP first appears when accelerating (during boost) |
| 2063954/3 | 2021-10-06. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. Engine warning light illuminated within the DIP during acceleration - DTC P029900 evident - W12 TSI only Customer statement: Engine warning light and max engine speed 4000 rpm warning evident within the DIP during acceleration - Warning on DIP first appears when accelerating (During boost) Workshop findings: DTC P029900 evident within the engine control unit/s In the event the afore mentioned symptoms are evident the operative should refer to the onward instructions |
| 2063954/1 | 2021-08-06. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. Engine warning light illuminated within the DIP during acceleration - DTC P029900 evident - W12 TSI only Customer statement: Engine warning light and max engine speed 4000 rpm warning evident within the DIP during acceleration - Warning on DIP first appears when accelerating (During boost) Workshop findings: DTC P029900 evident within the engine control unit/s Technical background: One of the turbochargers may not be achieving full boost, the issue can be related to a poor connection between the applicable boost pressure valve vacuum solenoid and the signal wire to the applicable Engine Control Module (ECM) leading to a lack of vacuum supplied to the waste- gate when under load In the event the afore mentioned symptoms are evident the operative should refer to the instructions within the Measure section of this TPI in conjunction with Rep.Gr 21 - Boost pressure valve vacuum solenoid (to assist identifying the component location) |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.