Saturday, August 8, 2026
RecallGazette

Vehicle problems, recalls & safety intelligence

Acura RDX 2019–2020technical service bulletin

Bulletin BBOM02182021 · NHTSA communication 10187545 · issued Feb 18, 2021

Technical service bulletin
communication type
Electrical System
component
2019–2020
model years
2
vehicle entries

Official summary

Dealer Message - Today, February 18, 2021, Acura is announcing a warranty extension for certain 2019-20 RDX vehicles. This warranty extension covers communication issues in the MOST bus network where the vehicle may experience popping or crackling from the speakers, a blank display, no sound from the audio system, a Network Loss message, center display staying on after turning the vehicle to the OFF mode with the door open, display switches between the Day Mode and Night Mode, the "Drive mode not available" message appears, or the disclaimer message is stuck on. Acura is extending the warranty

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.