Jeep Compass 2019–2021 — technical service bulletin
Bulletin 0801922 · NHTSA communication 10222993 · issued Jan 20, 2022
Technical service bulletin
communication type
Electrical System
component
2019–2021
model years
3
vehicle entries
Official summary
Flash: Drivetrain Control Module (DTCM) Updates This bulletin involves reprogramming the DTCM with the latest available software. The customer may describe the following: "4WD not available" on the Electronic Vehicle Information Center (EVIC) during harsh off road conditions.
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.