Buick Lacrosse 2017–2019 — technical service bulletin
Bulletin PIT6010 · NHTSA communication 10237640 · issued May 4, 2023
Technical service bulletin
communication type
Power Train
component
2017–2019
model years
6
vehicle entries
Official summary
This Preliminary information communicates that a technician may find U135A and/or P26C8 set after replacing the Transmission Range Control module. The tech is advised not to perform any further repairs to the vehicle. A bulletin will be released when a solution is made available by engineering.
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.