Chevrolet Silverado 2500 2024 — technical service bulletin
Bulletin PIT6212A · NHTSA communication 11007709 · issued Sep 11, 2024
Technical service bulletin
communication type
Service Brakes
component
2024
model years
4
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
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.