Saturday, August 8, 2026
RecallGazette

Vehicle problems, recalls & safety intelligence

Buick Encore 2016–2020technical service bulletin

Bulletin PIP5647A · NHTSA communication 10174857 · issued Apr 24, 2020

Technical service bulletin
communication type
Electrical System
component
2016–2020
model years
24
vehicle entries

Official summary

This Preliminary information communicates A vehicle may have a concern of running poor and stalling. No trouble codes may be set referencing this condition. Fuel trims around -20% may be observed on both banks. Engine oil level will be found over full and have a fuel odor. It will be found that the Engine oil is diluted with fuel. Small gas engines (SGE) May only have the engine oil level over full and have a fuel odor. It will be found that the Engine oil is diluted with fuel. This concern is caused by marshalling the vehicle around the lot before it is sold and/or short driver cycles.

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.