Chevrolet Silverado 1500 2014 — technical service bulletin
Bulletin 13254 · NHTSA communication 10246772 · issued Aug 1, 2014
Technical service bulletin
communication type
Power Train
component
2014
model years
2
vehicle entries
Official summary
Service Update f or Inventory and Customer Vehicles Rough Engine Operation, DTC P16A1, DML, Reduced Power Mode Expires with Base Warranty - Equipped with 5.3L V8 Engine (L83)
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.