Buick Enclave 2024–2025 — technical service bulletin
Bulletin PIC6587C · NHTSA communication 11019528 · issued Jun 5, 2025
Technical service bulletin
communication type
Unknown / Other
component
2024–2025
model years
21
vehicle entries
Official summary
This Preliminary information communicates to dealership technicians that if they encounter a customer vehicle with this concern, to perform the steps listed and should be able to reprogram the module and correct this.
Vehicles covered
- 2025 Buick Enclave
- 2025 Cadillac CT4
- 2025 Cadillac CT5
- 2025 Cadillac Escalade
- 2025 Cadillac Escalade Esv
- 2025 Cadillac Escalade IQ
- 2025 Cadillac Optiq
- 2025 Chevrolet Blazer EV
- 2025 Chevrolet Equinox EV
- 2024 Chevrolet Silverado EV
- 2025 Chevrolet Silverado EV
- 2025 Chevrolet Suburban 1500
- 2025 Chevrolet Tahoe
- 2024 Chevrolet Traverse
- 2025 Chevrolet Traverse
- 2024 GMC Acadia
- 2025 GMC Acadia
- 2024 GMC Sierra EV
- 2025 GMC Sierra EV
- 2025 GMC Yukon
- 2025 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.