Friday, August 7, 2026
RecallGazette

Vehicle problems, recalls & safety intelligence

Kia EV6 2022technical service bulletin

Bulletin TSB_ELE257 · NHTSA communication 10214888 · issued Jun 29, 2022

Technical service bulletin
communication type
Electrical System
component
2022
model years
1
vehicle entries

Official summary

TECHNICAL SERVICE BULLETIN: SERVICE ACTION: AMP LOGIC UPDATE/REPLACEMENT FOR NOISE/NO SOUND ISSUES (SA494A) - This Service Action (SA494A) supersedes SA494, which is now closed. Please follow the updated information in this bulletin. This bulletin provides the procedure to inspect the audio sound system in different modes and update the 'AMP' software logic to improve noise and mute prevention logic, or to replace the AMP on some 2022MY EV6 (CV) vehicles produced from November 17, 2021 through February 15, 2022. Depending on the inspection results, the external AMP system software may need to

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.