Subaru Ascent 2019–2023 — technical service bulletin
Bulletin 16-141-23R · NHTSA communication 10240116 · issued Jul 11, 2023
Technical service bulletin
communication type
Power Train
component
2019–2023
model years
5
vehicle entries
Official summary
This bulletin announces availability of reprogramming files to optimize the Transmission Control Module (TCM). The new files were designed to address cases of DTC P0711 (Transmission Fluid Temperature Sensor â Aâ Circuit Range/Performance) being detected by the TCM during low ambient temperatures (32° F(0° C)).
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.