Chevrolet Impala 2014–2015 — technical service bulletin
Bulletin PIP5527L · NHTSA communication 10193440 · issued Apr 8, 2021
Technical service bulletin
communication type
Equipment
component
2014–2015
model years
4
vehicle entries
Official summary
This Preliminary information communicates diagnostic assistance and repairs for specific driveability concerns that can be caused by the intake rocker arm oil control solenoid.
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.