Service bulletin 20517691
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 | 10143583 |
| Published by NHTSA | 2018-08-06 |
| Manufacturer's number | 20517691 |
| Manufacturer's date | 2018-07-23 |
| NHTSA component | ENGINE |
NHTSA's summary
Engine: engine management light on, possible misfire; event entry with 'Camshaft adjuster "A" or "B".'
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
| BENTLEY BENTAYGA | 2018 |
|---|
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) |
| 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. |
| 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) |
| 2058484/16 | 2026-07-31. Service bulletin. Bentayga V8 Kovomo - DTC P310B00 with Symptom Code 2638 - Check Engine Lamp - Fuel Pressure Regulation. Customer statement / workshop findings: Engine warning lamp is illuminated within the Driver Instrument Panel (DIP) in conjunction with the DTC as detailed below. • “P310B00 with symptom code 2638 - Low Fuel Pressure Regulation” There may also be multiple DTC’s and symptoms present due to fuel pressure regulation or fuel supply issues in conjunction with the afore mentioned symptom/DTC |
| 2055664/4 | 2026-07-31. Service bulletin. DTC P14AB00 and/or other related exhaust flap DTC's - Warning lamp evident within the DIP. |
| 2028808/10 | 2026-07-31. Service bulletin. Service info: Engine oil – Specific oil type and oil consumption reference. |
| 2057978/10 | 2026-07-31. Service bulletin. Engine Lubricating Oil - Replenishment. Customer statement / workshop findings: Engine lubricating oil lamp illuminated on driver instrument panel. Engine lubricating oil requires “topping up” between services. |