Chevrolet Silverado 1500 2022 — technical service bulletin
Bulletin N212354523 · NHTSA communication 10217684 · issued Aug 11, 2022
Technical service bulletin
communication type
Seats
component
2022
model years
3
vehicle entries
Official summary
Customer Satisfaction Program. Due to the industry-wide semiconductor shortage, the front heated/ventilated seats, front heated seats, or rear heated seats are not functional on certain 2022 model year vehicles listed above, built beginning November 15, 2021. The affected vehicle owners should have been made aware of the condition at sale, and notified that once parts are available, they would be eligible for a no additional cost retrofit to enable the feature. Dealers are to replace the front and rear seat heater control modules, replace the front and rear HVAC user interface controls, reprog
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.