Jeep Grand Cherokee 2016 — technical service bulletin
Bulletin 0807217 · NHTSA communication 10224719 · issued Aug 3, 2017
Technical service bulletin
communication type
Electrical System
component
2016
model years
1
vehicle entries
Official summary
Flash: Active Noise Cancellation Module Software Enhancement This bulletin involves reprogramming the Active Noise Cancellation Module with the latest software. Customer may describe excessive ambient noise level while driving.The following software enhancement is also included:Enhancement included to reduce interior noise/drone levels.
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.