Chevrolet Silverado 1500 2019–2020 — technical service bulletin
Bulletin 23-NA-018 · NHTSA communication 10239086 · issued Jun 22, 2023
Technical service bulletin
communication type
Power Train
component
2019–2020
model years
4
vehicle entries
Official summary
This bulletin provides a procedure to correct a customer concern that while driving at low speeds, the rear wheels lock up, causing vehicle to come to a stop as if the brakes were applied or the vehicle was shifted into park.
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.