Nissan Kicks 2021 — technical service bulletin
Bulletin NTB21-078 · NHTSA communication 10201225 · issued Aug 20, 2021
Technical service bulletin
communication type
Equipment
component
2021
model years
1
vehicle entries
Official summary
HIGH FREQUENCY NOISE WITH AUDIO SYSTEM DISPLAY ON IF YOU CONFIRM There is a high frequency (17 kHz) noise with the audio system display screen turned ON, NOTE: ï · The 17kHz range may not be audible to some people. ï · Noise can be heard with the audio system ON or OFF. AND The high frequency noise is not heard with the audio system display screen turned OFF. ACTION 1. Confirm the current Audio Control Unit software version is numerically below software version 423. 2. Update the Audio Control Unit software version to 423.
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.