Chevrolet Silverado 2014–2017 — technical service bulletin
Bulletin PIT5549 · NHTSA communication 10113462 · issued Feb 28, 2017
Technical service bulletin
communication type
Structure
component
2014–2017
model years
8
vehicle entries
Official summary
This Preliminary information communicates a customer concern ofSIR light on with any DTC set in the SDM. During diagnostics a technician may find water in the SDM connector and is unable to locate a leak path. Dealer is instructed to inspect X150 connector for being broken allowing water into the body harness. Dealer to repair affected connector or harness as needed.
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.