Buick Encore GX 2020–2021 — technical service bulletin
Bulletin PIP5826A · NHTSA communication 10204447 · issued Nov 9, 2021
Technical service bulletin
communication type
Engine
component
2020–2021
model years
4
vehicle entries
Official summary
This Preliminary information communicates to the dealers information related to isolating a potential engine wiring harness issue causing a MIL on with P0521.
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.