Chevrolet Silverado 2014–2015 — technical service bulletin
Bulletin PIT-5311 · NHTSA communication 10056364 · issued Aug 1, 2014
Technical service bulletin
communication type
Electrical System
component
2014–2015
model years
7
vehicle entries
Official summary
Gmc/chevrolet: trucks with integrated trailer brake controller (itbc) may received an intermittent check trailer wiring, and/or service trailer brake message with diagnostic trouble code (dtc) c1114 and have itbc connection checked. Model 2014 silverado 1500, sierra 1500, 2015 silverado, suburban, tahoe, sierra, yukon models. *pe
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.