Jeep Wagoneer 2023 — technical service bulletin
Bulletin 08-001-23 · NHTSA communication 10231758 · issued Jan 4, 2023
Technical service bulletin
communication type
Electrical System
component
2023
model years
1
vehicle entries
Official summary
Flash: Air Suspension Control Module (ASCM) There are no fixes for customers facing symptoms contained in this software. The ASCM software update is being released as a generic release to support ASCM replacement only in Service. This bulletin involves reprogramming the ASCM with the latest available software.
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.