Buick Enclave 2024–2025 — technical service bulletin
Bulletin PIC6587C · NHTSA communication 11019528 · issued Jun 5, 2025
Technical service bulletin
communication type
Unknown OR 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.