Kia K4 2025 — technical service bulletin
Bulletin TSB_ELE363_CLSD · NHTSA communication 11020011 · issued Jun 26, 2025
Technical service bulletin
communication type
Electrical System
component
2025
model years
1
vehicle entries
Official summary
TECHNICAL SERVICE BULLETIN: SERVICE ACTION: SUNROOF OPERATION SOFTWARE LOGIC IMPROVEMENT (SA595) - CLOSED AND SUPERSEDED BY ELE390/SA620 - This bulletin provided the procedure to update the Roof Control Module (RCM) software on certain 2025MY K4 (CL4) vehicles produced from September 17, 2024 to November 01, 2024 which may exhibit an inoperable (open/close) sunroof operation due to a software logic error. This logic improvement includes a factory mode activation/deactivation to reset the RCM module for sunroof initialization.
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.