Volvo S90 2016–2018 — technical service bulletin
Bulletin TJ33686-1-0 · NHTSA communication 10149955 · issued May 8, 2018
Technical service bulletin
communication type
Engine
component
2016–2018
model years
7
vehicle entries
Official summary
This is a Technical Journal: Battery Energy Control Module (BECM), Cell balancing DTCs If Check engine light is on and balancing Diagnostic Trouble Code (DTC) is set in the BECM, follow advice under "Service". Service: Revised BECM SW has been released. Perform an upgrade of the software according to TJ 31543.
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.