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Service bulletin 21-032-24

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id11001253
Published by NHTSA2024-06-07
Manufacturer's number21-032-24
Manufacturer's date2024-05-17
NHTSA componentPOWER TRAIN
Manufacturer's systemDrivetrain Control Module

NHTSA's 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."

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Transmission and driveline

Trouble codes named

U1767

Vehicles listed
ALFA ROMEO TONALE2023

Listing a model year does not mean every vehicle of it is concerned: the document says which.