# Service bulletin 2057988/4

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: 10186636
- Published by NHTSA: 2021\-02\-03
- Manufacturer's number: 2057988/4
- Manufacturer's date: 2021\-01\-20
- NHTSA component: ELECTRICAL SYSTEM; STRUCTURE

## NHTSA's summary

Bentayga Hybrid \- Accessory Embargo. Customer statement / workshop findings Customer request to install fixed sill steps, deploying sill steps or Illuminated tread plates to Bentayga Hybrid vehicle. Technical background Due to the routing and proximity of high voltage cables it is strictly prohibited to install the following accessories on Bentayga Hybrid vehicles. \-Fixed sill steps. \-Deploying sill steps. \-Illuminated tread plates NOTE: Tow bars cannot be fitted to Bentayga Hybrid vehicles due to certification IMPORTANT: Bentayga Styling Specification MUST NOT be fitted to Bentayga Hybrid vehicles from 19 to 20 Model year due to certification reasons However From 21 Model year onwards the Bentayga Styling specification can be fitted Note: Failure to observe these instructions may invalidate certain aspects of the vehicle warranty

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2021/MC-10186636-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2021/MC-10186636-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Body and frame, Electrical system

## Vehicles listed

- 2019 to 2021 BENTLEY BENTAYGA HYBRID

## Other bulletins for the same vehicles and component

- [2078038/6](/bulletins/11038343.md), 2026-10-07, Service campaign: STRUCTURE:BODY. Service info: Paint Damage/Anomalies \| All Models Customer statement / workshop findings: In rare instances the customer and/or retailer may identify visual damage/anomalies in the paint finish during or post pre\-delivery inspection. These may include: • Uneven sheen or texture • Patchy or blotchy appearance • Inconsistent under lighting • Staining, discolouration, or surface blemishes
- [2057841/5](/bulletins/11037172.md), 2026-09-09, Service bulletin: STRUCTURE:BODY; VISIBILITY/WIPER. Windscreen replacement criteria whilst under manufacturers warranty.
- [2078038/5](/bulletins/11037171.md), 2026-09-09, Service bulletin: STRUCTURE:BODY. Service info: Paint Damage/Anomalies \| All Models
- [2061369/14](/bulletins/11037161.md), 2026-09-09, Service bulletin: ELECTRICAL SYSTEM; ENGINE. 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
- [2078395/3](/bulletins/11037156.md), 2026-09-09, Service bulletin: SEATS; STRUCTURE:BODY. Service info: Leather Damage/Anomalies \| All Models
- [2061369/13](/bulletins/11037097.md), 2026-09-05, Service bulletin: ELECTRICAL SYSTEM; ENGINE. 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
- [2078373/4](/bulletins/11036783.md), 2026-09-03, Service bulletin: VISIBILITY/WIPER; STRUCTURE:BODY; ELECTRICAL SYSTEM. Sunroof blind not retracting \| Bentayga Series. Customer may report that the sunroof blind is stuck in the closed position and cannot be opened using interior controls. The Sunroof blind is stuck due to uneven/ruffled or crumped during open or closing
- [2081085/2](/bulletins/11035939.md), 2026-08-06, Service bulletin: ELECTRICAL SYSTEM; ENGINE. 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
- [2073377/4](/bulletins/11035933.md), 2026-08-06, Service bulletin: WHEELS; ELECTRICAL SYSTEM. TPMS \- Warning within the Drivers Information Panel \(DIP\) \- Tyre pressure sensor \- Low battery.
- [2078373/3](/bulletins/11035932.md), 2026-08-06, Service bulletin: STRUCTURE:BODY; ELECTRICAL SYSTEM; VISIBILITY/WIPER. Sunroof blind not retracting \| Bentayga Series.

JSON: [/v1/bulletins/10186636](/v1/bulletins/10186636)

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