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Service bulletin 2063891/1

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10200047
Published by NHTSA2021-08-06
Manufacturer's number2063891/1
Manufacturer's date2021-07-01
NHTSA componentELECTRICAL SYSTEM; SUSPENSION

NHTSA's summary

Bentayga - DTC C103129 - Air suspension warning displayed in Driver Instrument Panel. Customer statement / workshop findings: Air suspension system warning displayed in the Driver Instrument Panel (DIP) Technical background: Diagnostic Trouble Code (DTC) C103129 Level control pressure sensor Implausible signal symptom (DTC) stored in the Chassis control unit (Address 74). The onward procedure will check, and if necessary, perform software updates to Addresses 74, D4 and D5. This will bring them to the latest, compatible software level.

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

Trouble codes named

C1031

Vehicles listed
BENTLEY BENTAYGA2017, 2018, 2019

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
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