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Service bulletins for the 2017 Bentley Bentayga

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.

660 on file from NHTSA, as of 2026-10-19.

About B131D on the 2017 Bentley Bentayga: what the code means, and the bulletins and recalls about the same components.

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By trouble code

Only bulletins with trouble code: B131D are shown. Show all

Bulletins, newest first
2066236/52024-06-03. Service bulletin. ELECTRICAL SYSTEM. Unintended sounding of the Alarm siren - Following activation of the ignition or whilst the vehicle is left standing. Workshop findings The following DTC’s could also be evident within diagnostic address 0046 and/or 00BB and/or 00BC • B131DF5: alarm system siren supply voltage lower limit value less than • B131D29: sirens / alarm horn for anti-theft warning system Range/Performance • B131D29: anti-theft alarm system siren / alarm horn signal, not valid
2066236.22022-12-08. Service bulletin. EXTERIOR LIGHTING; ELECTRICAL SYSTEM. Unintended sounding of the alarm siren - Following activation of the ignition or whilst the vehicle is left standing Customer Statement: -The following DTCs could also be evident within the diagnostic address 0046 and/or 00BB and/or 00BC -B131DF5: alarm system siren supply voltage lower limit value less than -B131D29: sirens/alarm horn for anti-theft warning system range/performance -B131D29: anti-theft alarm system siren/alarm horn signal, not valid
2066236/12022-04-06. Service bulletin. EXTERIOR LIGHTING; ELECTRICAL SYSTEM. Unintended sounding of the Alarm siren - Following activation of the ignition or whilst the vehicle is left standing. Customer statement / workshop findings: Unintended sounding of the alarm siren following activation of the ignition Or Unintended sounding of the alarm siren whilst the vehicle is left standing Workshop findings. The following DTCs could also be evident within diagnostic address 0046 and/or 00BB and/or 00BC - B131DF5: alarm system siren supply voltage lower limit value less than - B131D29: sirens / alarm horn for anti-theft warning system Range/Performance - B131D29: anti-theft alarm system siren / alarm horn signal, not valid Technical background: In the event the symptom(s) described are evident, please refer to the instructions within the Measure section of this TPI

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.