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Service bulletin TJ34922 1 0 2019

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 id10165237
Published by NHTSA2019-09-23
Manufacturer's numberTJ34922 1 0 2019
Manufacturer's date2019-08-31
NHTSA componentBACK OVER PREVENTION; BACK OVER PREVENTION: SENSING SYSTEM: LIDAR

NHTSA's summary

If there is message in the DIM about ?Sensor Blocked? and the car has DTC CEM B1B3629 and/or B1B4029, follow instructions under ?Service?.

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

Driver assistance, Backup camera

Trouble codes named

B1B36, B1B40

Vehicles listed
VOLVO XC902020
VOLVO XC90H2020 (the catalog's model; the bulletin names a series or trim of it)

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
TJ33183.7.0-20212021-04-26. Service bulletin. This is a Technical Journal: If a vehicle with panorama roof shows symptom of a rattling noise when opening, follow the description under Service. If the analysis shows that the rattling noise comes from the roller blind, similar to the noise in the attached file, replace the roller blind according to VIDA.
TJ35440.4.0-20212021-04-26. Service bulletin. This is a Technical Journal: Echo heard on phone call, Improved IHU software that will correct this issue is under development and will be released in June of 2020.
TJ35902.1.1-20212021-04-26. Service bulletin. This is a Technical Journal: Connectivity services activation - PSIM issues
TJ33183.6.0-20212021-04-26. Service bulletin. This is a Technical Journal: If a vehicle with panorama roof shows symptom of a rattling noise when opening, follow the description under Service. If the analysis shows that the rattling noise comes from the roller blind, similar to the noise in the attached file, replace the roller blind according to VIDA.
TJ35586.1.0-20202020-08-17. Service bulletin. This is a Technical Journal: Noise from fuel pipe against the body floor. Add sound absorber