Cadillac Escalade 2024–2025 — technical service bulletin
Bulletin PIT6212C · NHTSA communication 11018432 · issued May 7, 2025
Technical service bulletin
communication type
Unknown / Other
component
2024–2025
model years
33
vehicle entries
Official summary
This Preliminary information communicates an issue with the Hydrastar Electric Over Hydraulic trailer brake system causing a voltage spike into the trucks electrical system which is causing DTC C1114 to set.
Vehicles covered
- 2024 Cadillac Escalade
- 2025 Cadillac Escalade
- 2024 Cadillac Escalade Esv
- 2025 Cadillac Escalade Esv
- 2024 Chevrolet Colorado
- 2025 Chevrolet Colorado
- 2024 Chevrolet Silverado 1500
- 2025 Chevrolet Silverado 1500
- 2024 Chevrolet Silverado 2500
- 2025 Chevrolet Silverado 2500
- 2024 Chevrolet Silverado 3500
- 2025 Chevrolet Silverado 3500
- 2025 Chevrolet Silverado 6500
- 2024 Chevrolet Silverado EV
- 2025 Chevrolet Silverado EV
- 2024 Chevrolet Suburban
- 2025 Chevrolet Suburban 1500
- 2024 Chevrolet Tahoe
- 2025 Chevrolet Tahoe
- 2024 GMC Canyon
- 2025 GMC Canyon
- 2024 GMC Hummer EV Pickup
- 2025 GMC Hummer EV Pickup
- 2024 GMC Sierra 1500
- 2025 GMC Sierra 1500
- 2024 GMC Sierra 2500
- 2025 GMC Sierra 2500
- 2024 GMC Sierra 3500
- 2025 GMC Sierra 3500
- 2024 GMC Yukon
- 2025 GMC Yukon
- 2024 GMC Yukon XL
- 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.