Cadillac Escalade 2023–2024 — technical service bulletin
Bulletin 23-NA-149 · NHTSA communication 10250580 · issued Feb 15, 2024
Technical service bulletin
communication type
Equipment
component
2023–2024
model years
19
vehicle entries
Official summary
This technical bulletin provides a procedure to correct the condition of Trailer Brake Disabled and/or DTC C1114 Stored During Pulling a Trailer with a Battery, Generator or Solar Charger.
Vehicles covered
- 2023 Cadillac Escalade
- 2023 Cadillac Escalade Esv
- 2023 Chevrolet Colorado
- 2024 Chevrolet Silverado 2500
- 2024 Chevrolet Silverado 3500
- 2023 Chevrolet Silverado 4500
- 2023 Chevrolet Silverado 5500
- 2024 Chevrolet Silverado EV
- 2023 Chevrolet Suburban
- 2023 Chevrolet Suburban 1500
- 2023 Chevrolet Tahoe
- 2023 GMC Canyon
- 2024 GMC Hummer EV Pickup
- 2024 GMC Hummer EV SUV
- 2024 GMC Sierra 2500
- 2024 GMC Sierra 3500
- 2023 GMC Yukon
- 2023 GMC Yukon XL
- 2023 GMC Yukon XL 1500
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.