Chevrolet Silverado EV 2024–2025 — technical service bulletin
Bulletin 661.20 · NHTSA communication 11030537 · issued Apr 2, 2026
Technical service bulletin
communication type
Unknown OR Other
component
2024–2025
model years
4
vehicle entries
Official summary
• Improvements to accuracy of Park Assist messaging. • Fixes to improve performance of driver assistance systems and rear view camera. • Improvements to responsiveness of rear view camera. • Fixes to address Super Cruise disengaging erroneously.
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.