Chevrolet Silverado EV 2024–2025 — technical service bulletin
Bulletin PIT6304C · NHTSA communication 11017295 · issued Apr 17, 2025
Technical service bulletin
communication type
Unknown OR Other
component
2024–2025
model years
4
vehicle entries
Official summary
This Preliminary information communicates a diagnostic Aid from root causing DTC: C1197 sym 92 caused by a pinched air inlet hose to the suspension compressor air leveling system and update the software in the K5 automatic level ride control module.
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.