Volvo S90 2016–2019 — technical service bulletin
Bulletin TJ33285-3-0-2018 · NHTSA communication 10157880 · issued Mar 13, 2018
Technical service bulletin
communication type
Equipment
component
2016–2019
model years
14
vehicle entries
Official summary
This is a Technical Journal: DTC IHU-B156C8F sets incorrectly. For the cars in the header this DTC can be ignored as it doesn't affect any of the functions in the car. Do not perform any fault tracing or component replacement due to this DTC if there is no related customer symptom.
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.