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Service bulletin 20515531

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10145085
Published by NHTSA2018-10-01
Manufacturer's number20515531
Manufacturer's date2018-08-02
NHTSA componentELECTRICAL SYSTEM:12V/24V/48V BATTERY; SUSPENSION

NHTSA's summary

Bentayga W12 - Bentley dynamic ride system fault displayed in Driver Instrument Panel

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

Electrical system, Suspension, 12-volt battery

Vehicles listed
BENTLEY BENTAYGA2017, 2018

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
2051562/122024-04-06. Service bulletin. 12 Volt - Battery condition checks. Customer statement / workshop findings: 12 volt battery flat or unserviceable Technical background: For all 12 volt battery issues relating to warranty or a parts warranty claim refer to the instructions within the Measure section.
2051562/72021-10-05. Service bulletin. 12 Volt - Battery condition checks. Customer statement / workshop findings: 12 Volt Battery test instruction Technical background: For all 12 volt battery issues relating to warranty or a parts warranty claim, a DISS query MUST be raised prior to battery replacement, refer to the instructions within the Measure section of this TPI
2051562.12018-07-16. Service bulletin. 12 Volt - Battery condition checks
204544322017-08-10. Service bulletin. Bentayga - Battery Energy Control Module 2 software update (ASW 09.03) (SC16/27)
2027022/72017-01-12. Service bulletin. NEW CONTINENTAL GT - GTC AND FLYING SPUR - STEERING WHEEL NOISE