Service bulletin 2069107.1
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.
| Type | Service bulletin |
|---|---|
| NHTSA id | 10230837 |
| Published by NHTSA | 2023-02-02 |
| Manufacturer's number | 2069107.1 |
| Manufacturer's date | 2023-01-18 |
| NHTSA component | ENGINE AND ENGINE COOLING |
NHTSA's summary
Bentayga W12 - Primary Catalytic Converter Replacement - Warranty Labour Operation Time Confirmation Workshop Findings: -The following DTCs are evident: -P042000: Catalyst System, Bank 1 Efficiency Below Threshold -P042000: Catalyst System, Bank 2 Efficiency Below Threshold
The document
The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.
Components
Engine
Trouble codes named
P0420
| BENTLEY BENTAYGA | 2017, 2018 |
|---|---|
| BENTLEY BENTAYGA | 2020, 2021, 2022, 2023 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| 2061369/14 | 2026-09-09. Service bulletin. Engine Overheating - Warning in the DIP | V8 Kovomo. Customer statement / workshop findings: One or a combination of the following symptoms are evident • Engine overheat warning in the DIP (Engine overheating) • Unusual cooling fan operation at high temperatures • P19F700: Low engine coolant temperature indicator lamp coolant too warm • Signs of coolant in the vacuum hoses for switch valve N649 |
|---|---|
| 2061369/13 | 2026-09-05. Service bulletin. Engine Overheating - Warning in the DIP | V8 Kovomo. Customer statement / workshop findings: One or a combination of the following symptoms are evident: • Engine overheat warning in the DIP (Engine overheating) • Unusual cooling fan operation at high temperatures • P19F700: Low engine coolant temperature indicator lamp coolant too warm • Signs of coolant in the vacuum hoses for switch valve N649 |
| 2081085/2 | 2026-08-06. Service bulletin. V8 Engine - Ticking Noise, Misfiring and Possible Low Oil Pressure Indications. Customer statement: The customer may report an audible ticking noise from the top of the engine, low oil pressure warnings / MIL on the Driver Information Panel, and/or misfiring during engine operation |
| 2051187/13 | 2026-08-05. Service bulletin. Poor Engine Running Complaints (Misfires) Petrol Engines Only. Customer statement / workshop findings: • Poor engine running • Reduced power • Engine warning lamp illuminated • Symptom related DTC’s evident within the applicable engine control unit(s) |
| 2068273/6 | 2026-08-03. Service bulletin. Multiple random misfires evident during PDI. |
| 2065664/6 | 2026-08-01. Service bulletin. Bentayga V8 Kovomo - Engine MIL light on - DTC “O2 Sensor Signals Swapped Bank 1 Sensor 2/ Bank 2 Sensor 2. Customer statement / workshop findings: DTC P004100: “O2 Sensor Signals Swapped Bank 1 Sensor 2/ Bank 2 Sensor 2 is evident within address 0001 (Engine control unit) and MIL light active after attempting to conduct a readiness test |
| 2081236/2 | 2026-08-01. Service bulletin. Loss of Cabin Heat During Engine Operation | Bentayga - V8. Customer Statement: Customers may report that the air conditioning system blows only cold air when the engine is running. Warm air is only available after switching off the engine. The concern is commonly reported after engine removal or recent repair work. |
| 2071190/4 | 2026-08-01. Service bulletin. HVAC failing to cool | DTC B16A1F0 in diagnostic address 00C5 | Bentayga Series (Hybrid). |
| 2075922/4 | 2026-08-01. Service bulletin. High pitched whistle from the engine - Warning light within the DIP - Engine not running smoothly - Numerous DTC's. Customer statement/Workshop findings: • Emission control warning light evident within the DIP • Engine not running/idling smoothly • High pitched whistle from the right and left hand side of the engine TIP: Refer to video within the Bentley Hub referencing TPI 2075922/- • A selection of DTC’s are evident (as per TPI Event memory entries) |
| 2065926/6 | 2026-08-01. Service bulletin. Fuel pressure regulator - DTC P242200 with symptom code 14536 evident within address 0001. Customer statement: The warning lamp for the emission control system is displayed within the DIP |