Cadillac Escalade 2021–2022 — technical service bulletin
Bulletin 22-NA-248 · NHTSA communication 11000365 · issued May 3, 2024
Technical service bulletin
communication type
Electrical System
component
2021–2022
model years
14
vehicle entries
Official summary
This technical bulletin provides service information to correct a customer concern of HVAC Heat Intermittently Inoperative, DTCs B2B05 and/or B2B06 Set.
Vehicles covered
- 2021 Cadillac Escalade
- 2022 Cadillac Escalade
- 2021 Cadillac Escalade Esv
- 2022 Cadillac Escalade Esv
- 2021 Chevrolet Suburban
- 2022 Chevrolet Suburban
- 2021 Chevrolet Suburban 1500
- 2022 Chevrolet Suburban 1500
- 2021 Chevrolet Tahoe
- 2022 Chevrolet Tahoe
- 2021 GMC Yukon
- 2022 GMC Yukon
- 2021 GMC Yukon XL
- 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.