Chevrolet Silverado 2015 — technical service bulletin
Bulletin SBU-15217 · NHTSA communication 10059116 · issued Apr 1, 2015
Technical service bulletin
communication type
Power Train
component
2015
model years
2
vehicle entries
Official summary
Gmc/chevrolet: procedure information regarding inspection of transmission control module (tcm) engine wiring harness for certain trucks and if misrouted and not secured will properly reroute and use auxiliary positive battery cable fir tree clip. Model 2015 silverado, sierra. *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.