Buick Enclave 2026 — technical service bulletin
Bulletin PIC6607A · NHTSA communication 11023146 · issued Sep 8, 2025
Technical service bulletin
communication type
Unknown OR Other
component
2026
model years
16
vehicle entries
Official summary
This Preliminary information communicates not to replace the Image processing Module if the following DTC's are history - U3000 SYM49, U1624, U0140, U023B SYM00, U053C, B1DD SYM57.
Vehicles covered
- 2026 Buick Enclave
- 2026 Cadillac CT4
- 2026 Cadillac CT5
- 2026 Cadillac Escalade
- 2026 Cadillac Escalade Esv
- 2026 Cadillac Escalade IQ
- 2026 Cadillac Escalade Iql
- 2026 Cadillac Lyriq
- 2026 Chevrolet Silverado EV
- 2026 Chevrolet Suburban 1500
- 2026 Chevrolet Tahoe
- 2026 Chevrolet Traverse
- 2026 GMC Acadia
- 2026 GMC Sierra EV
- 2026 GMC Yukon
- 2026 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.