Cadillac Escalade 2023–2026 — technical service bulletin
Bulletin PIT6529B · NHTSA communication 11036704 · issued Aug 27, 2026
Technical service bulletin
communication type
Unknown / Other
component
2023–2026
model years
20
vehicle entries
Official summary
This PI was created to address an Intermittent Loss of Connectivity, GPS, or Wi-Fi Due to OnStar Module concern.
Vehicles covered
- 2023 Cadillac Escalade
- 2024 Cadillac Escalade
- 2023 Cadillac Escalade Esv
- 2024 Cadillac Escalade Esv
- 2023 Chevrolet Silverado 1500
- 2024 Chevrolet Silverado 1500
- 2025 Chevrolet Silverado 1500
- 2026 Chevrolet Silverado 1500
- 2023 Chevrolet Suburban
- 2024 Chevrolet Suburban
- 2023 Chevrolet Tahoe
- 2024 Chevrolet Tahoe
- 2023 GMC Sierra 1500
- 2024 GMC Sierra 1500
- 2025 GMC Sierra 1500
- 2026 GMC Sierra 1500
- 2023 GMC Yukon
- 2024 GMC Yukon
- 2023 GMC Yukon XL
- 2024 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.