Volvo S60 2015–2017 — technical service bulletin
Bulletin TJ3217024-2017-0 · NHTSA communication 10127319 · issued Jun 28, 2017
Technical service bulletin
communication type
Electrical System
component
2015–2017
model years
19
vehicle entries
Official summary
This is a Technical Journal: Bluetooth phone volume too low or decreases by itself. If the Bluetooth phone volume is perceived as too low or decreases by itself. Please check the microphone functionality to confirm that the microphone cable is not damaged. Do not replace the IHU for this symptom as there is currently no permanent solution available.
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.