Sorry, the NHTSA has not posted this TSB document yet.
You can still get the detailed info from Chevrolet for this TSB. Call your local Chevrolet dealer's service department & ask for a copy of TSB# 17-NA-291.
Intermittent Pop Noise from Speakers Followed by a Reset of Radio and Clock
Condition
Some customers may comment on an intermittent pop noise from the speakers, followed by a reset of the radio and clock.
Upon inspection, the technician will not find any codes stored.
Cause - This may be due to an internal radio concern.
Correction - If this concern is experienced, replace the radio assembly.