Chevrolet Silverado 1500 2022–2023 — technical service bulletin
Bulletin N222384930 · NHTSA communication 10231817 · issued Feb 13, 2023
Technical service bulletin
communication type
Electrical System
component
2022–2023
model years
13
vehicle entries
Official summary
Customer Satisfaction Program - certain vehicles may have a â Service Trailer Brakeâ message set when a trailer with electric brakes is connected and the driver attempts to use the manual apply slider on switch or depress the brake pedal while towing. Dealers are to replace the Trailer Brake Control Switch.
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.