Buick Enclave 2022–2023 — technical service bulletin
Bulletin N212354522-04 · NHTSA communication 10226220 · issued Nov 15, 2022
Technical service bulletin
communication type
Seats
component
2022–2023
model years
18
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 2022-2023 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, reprogram the body control module and on some vehicles, re
Vehicles covered
- 2022 Buick Enclave
- 2022 Cadillac XT4
- 2023 Cadillac XT4
- 2022 Cadillac XT5
- 2022 Cadillac XT6
- 2022 Chevrolet Blazer
- 2022 Chevrolet Equinox
- 2022 Chevrolet Malibu
- 2022 Chevrolet Silverado 1500
- 2022 Chevrolet Suburban
- 2022 Chevrolet Suburban 1500
- 2022 Chevrolet Tahoe
- 2022 Chevrolet Traverse
- 2022 GMC Acadia
- 2022 GMC Sierra 1500
- 2022 GMC Terrain
- 2022 GMC Yukon
- 2022 GMC Yukon XL
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.