B131D on the 2017 Bentley Bentayga
The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.
This code is specific to a manufacturer and is not described here. Its meaning is in the manufacturer's service information.
| 2066236/5 | 2024-06-03. Service bulletin. 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 |
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| 2066236.2 | 2022-12-08. Service bulletin. 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 |
| 2066236/1 | 2022-04-06. Service bulletin. 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 |
3 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.