Mitsubishi Outlander Sport 2019–2023 — technical service bulletin
Bulletin TSB-23-13-004 · NHTSA communication 10241921 · issued Aug 2, 2023
Technical service bulletin
communication type
Engine and Engine Cooling
component
2019–2023
model years
5
vehicle entries
Official summary
This Technical Service Bulletin provides instructions to reprogram the ECU with the countermeasure software when the check engine light illuminates with DTC of P0401/ P0400.
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.