WenmarOpen by Wenmar Pro

Service bulletins for the 2021 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.

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

About B17B8 on the 2021 Bentley Bentayga: what the code means, and the bulletins and recalls about the same components.

By type

By component

By trouble code

Only bulletins with trouble code: B17B8 are shown. Show all

Bulletins, newest first
2063855/132026-07-29. Service bulletin. LANE DEPARTURE: ASSIST; FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL; ELECTRICAL SYSTEM; STEERING; LANE DEPARTURE: WARNING. DTC B17B801 and/or B17B804 - evident within address 0019 and/or DTC U112300 evident in 00A5. Customer statement / workshop findings: • Lane Assist and / or Traffic Assist are not functional • DTC - B17B801 - Steering Wheel Touch Recognition Control Module evident within address 0019 And/or • DTC B17B804 - Steering Wheel Touch Recognition Control Module electrical error - evident within address 0019 And/or • DTC U112300 with symptom Code 1123220 within address 00A5
2063855/122025-11-04. Service bulletin. LANE DEPARTURE: WARNING; ELECTRICAL SYSTEM; STEERING; LANE DEPARTURE: ASSIST. DTC B17B801 and/or B17B804 - evident within address 0019 and/or DTC U112300 evident in 00A5. Condition: • Lane Assist and / or Traffic Assist are not functional • DTC - B17B801 - Steering Wheel Touch Recognition Control Module evident within address 0019 And/or • DTC B17B804 - Steering Wheel Touch Recognition Control Module electrical error - evident within address 0019 And/or • DTC U112300 with symptom Code 1123220 within address 00A5
2063855/112025-03-08. Service bulletin. LANE DEPARTURE: WARNING; ELECTRICAL SYSTEM; LANE DEPARTURE: ASSIST; STEERING. DTC B17B801 and/or B17B804 - evident within address 0019 and/or DTC U112300 evident in 00A5. Condition: • Lane Assist and / or Traffic Assist are not functional • DTC - B17B801 - Steering Wheel Touch Recognition Control Module evident within address 0019 And/or • DTC B17B804 - Steering Wheel Touch Recognition Control Module electrical error - evident within address 0019 And/or • DTC U112300 with symptom Code 1123220 within address 00A5
2063855/92023-12-06. Service bulletin. LANE DEPARTURE; STEERING; ELECTRICAL SYSTEM. DTC B17B801 and/or B17B804 - evident within address 0019 and/or DTC U112300 evident in 00A5. Customer statement: Lane Assist and/or Traffic Assist are not functional Workshop findings: - DTC - B17B801 - Steering Wheel Touch Recognition Control Module evident within address 0019 And/or - DTC B17B804 - Steering Wheel Touch Recognition Control Module electrical error - evident within address 0019 And/or - DTC U112300 with symptom Code 1123220 within address 00A5.
2063855.82023-06-07. Service bulletin. ELECTRICAL SYSTEM; LANE DEPARTURE. DTC B17B801 and/or B17B804 - Evident Within Address 0019 and/or DTC U112300 Evident in 00A5 Customer Statement: -Lane Assist and/or Traffic Assist Are Not Functional
2063855.62023-03-06. Service bulletin. LANE DEPARTURE; ELECTRICAL SYSTEM. DTC B17B801 and/or B17B804 - evident within address 0019 and/or DTC U112300 evident in 00A5 Customer Statement: -Lane Assist and/or Traffic Assist are not functional.
2063855.52023-01-06. Service bulletin. ELECTRICAL SYSTEM; LANE DEPARTURE: LANE KEEP: STEERING ASSIST. DTC B17B801 and/or B17B804 - Evident within address 0019 and/or DTC U112300 evident in 00A5 Customer Statement: -Lane Assist and/or Traffic Assist are not functional
2063855/42022-07-06. Service bulletin. LANE DEPARTURE; ELECTRICAL SYSTEM; FORWARD COLLISION AVOIDANCE. DTC B17B801 and/or B17B804 - evident within address 0019 and/or DTC U112300 evident in 00A5. Customer statement: Lane Assist and/or Traffic Assist are not functional Workshop findings: DTC - B17B801 - Steering Wheel Touch Recognition Control Module evident within address 0019 And/or DTC B17B804 - Steering Wheel Touch Recognition Control Module electrical error - evident within address 0019 And/or DTC U112300 with symptom Code 1123220 within address 00A5 Technical background: Revision history TPI 2063855/4 - Additional request to replace the control module (as Figure 1) in conjunction with the steering wheel
2063855/32022-05-04. Service bulletin. ELECTRICAL SYSTEM; LANE DEPARTURE; STEERING. DTC B17B801 and/or B17B804 - evident within address 0019 and/or DTC U112300 evident in 00A5. Customer statement / workshop findings: Lane Assist and/or Traffic Assist are not functional Workshop findings: DTC - B17B801 - Steering Wheel Touch Recognition Control Module evident within address 0019 And/or DTC B17B804 - Steering Wheel Touch Recognition Control Module electrical error - evident within address 0019 And/or DTC U112300 with symptom Code 1123220 within address 00A5. Measure: 1) Referring to Rep.Gr 48 - Remove the steering wheel Please note the replacement steering wheel is supplied without the multifunction switches (E440 and E441) fitted, the switches will require transferring from the original steering wheel to the replacement steering wheel as per Rep.Gr 96 HINT: Depending on vehicle specification some steering wheels may have extra components which require swapping for example: Control modules/harnesses which are secured/located to the steering wheel 2) Conduct a visual check between the original steering wheel and the replacement steering wheel to confirm all applicable components have been transferred successfully 3) Referring to Rep.Gr 48 - Fit the new replacement steering wheel ensuring a new steering wheel centre bolt is ALWAYS used 4) Erase all applicable DTCs
2063855/22021-10-07. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT ADAPTIVE/MOBILITY:VEHICLE CONTROLS:STEERING; STEERING:STEERING CONTROL MODULE; LANE DEPARTURE; STEERING. Customer statement: Lane Assist and/or Traffic Assist are not functional. Workshop findings: DTC-B17B801- Steering Wheel Touch Recognition Control Module evident within address 0019 And/or DTCB17B804 -Steering Wheel Touch Recognition Control Module electrical error- evident within address 0019 And/or DTC U112300 with symptom Code 1123220 within address 00A5. Technical background PLEASE NOTE: Should the affected vehicle be post the following listed VINs -Bentayga - SJAA514V3MC036546 -New Continental GT/C and New Flying Spur - SCBB15ZG1MC088177 The operative MUST raise a DISS query and await feedback before conducting any further work. For all vehicles up to and including the afore mentioned VINs the operative should conduct the instructions within the Measure section.
2063855/12021-08-06. Service bulletin. FORWARD COLLISION AVOIDANCE; STEERING; ELECTRICAL SYSTEM. DTC B17B801 - Steering Wheel Touch Recognition Control Module electrical error - evident within address 0019 Customer statement: Lane Assist and/or Traffic Assist are not functional Workshop findings: DTC - B17B801 - Steering Wheel Touch Recognition Control Module electrical error evident within address 0019

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