Dodge Hornet 2023 — technical service bulletin
Bulletin 21-033-24 · NHTSA communication 11001254 · issued May 17, 2024
Technical service bulletin
communication type
Service Brakes
component
2023
model years
1
vehicle entries
Official summary
"Flash: Drivetrain Control Module (DTCM) Updates **The Technician must experience an Anti-Lock Brake Systems (ABS) code when requesting a Vehicle Scan Report (VSR): ● U1767-87 - Drive Train Control Module Node (DTCM) Drive Train1 Missing.** Customers may experience no difference switching between Auto Mode and Sport mode in All Wheel Drive Systems during high speed maneuvers or snowy/icy conditions. This bulletin involves reprogramming the DTCM 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.