Chevrolet Silverado 2014–2015 — technical service bulletin
Bulletin PIP-5272-A · NHTSA communication 10059068 · issued Aug 1, 2015
Technical service bulletin
communication type
Engine
component
2014–2015
model years
8
vehicle entries
Official summary
Chevrolet/gmc: on trucks/suvs after having an oil and filter change, the pressure for oil is low and ses light had diagnostic trouble code (dtc) p0521 appear. Model 2014-15 silverado, suburban, tahoe, sierra, yukon, yukon xl. *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.