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Service bulletin S2308000099

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 id10243158
Published by NHTSA2023-10-02
Manufacturer's numberS2308000099
Manufacturer's date2023-08-09
NHTSA componentCOMMUNICATION:MANUFACTURER TELEMATICS; ELECTRICAL SYSTEM:BODY CONTROL MODULE/BCM; ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:SOFTWARE

NHTSA's summary

Body Control Module (BCM) Sets Diagnostic Trouble Code (DTC) U0423-87 Invalid Data Received from TBM (Telematic Box Module) - Missing Message Erroneously

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

Electrical system, Body control module, Software

Trouble codes named

U0423

Vehicles listed
ALFA ROMEO TONALE2023
ALFA ROMEO TONALE PHEV2024 (the catalog's model; the bulletin names a series or trim of it)
DODGE HORNET2023, 2024

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

Other bulletins for the same vehicles and component
S23080001482024-01-16. Service bulletin. Horn Sounding When Flashing a Body Control Module (BCM)
S23080001072024-01-08. Service bulletin. Body Control Module (BCM) Sets Diagnostic Trouble Code (DTC) B1142-14 Sport Button LED Erroneously
08236232023-12-18. Service bulletin. Flash: Body Control Module (BCM) Updates Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that one or more of the following Diagnostic Trouble Codes (DTCs) have been set: ? B25C9 - Driver Door Ajar Switch 2 Stuck Closed. ? U1412-09 - ASU (Alarm Siren Unit) - Component Failures. ? U1413-09 - UAM (Ultrasonic And Antitilt Module) - Component Failures. Customers may comment on the following: ? When the headlamps are placed in "Headlamps Off Delay" mode and the driver door is opened (engine off), the Headlamps On alert chime activates until the headlamps turn themselves off (no chime should be heard while in this mode). This bulletin involves reprogramming the BCM with the latest available software.
08234232023-12-18. Service bulletin. Flash: Body Control Module (BCM) Updates Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that one or more of the following Diagnostic Trouble Codes (DTCs) have been set: ? B25C9 - Driver Door Ajar Switch 2 Stuck Closed. ? U1412-09 - ASU (Alarm Siren Unit) - Component Failures. ? U1413-09 - UAM (Ultrasonic And Antitilt Module) - Component Failures. Customers may comment on the following: ? When the headlamps are placed in "Headlamps Off Delay" mode and the driver door is opened (engine off), the Headlamps On alert chime activates until the headlamps turn themselves off (no chime should be heard while in this mode). This bulletin involves reprogramming the BCM with the latest available software.
S23080001072023-10-30. Service bulletin. Body Control Module (BCM) Sets Diagnostic Trouble Code (DTC) B1142-14 Sport Button LED Erroneously
S23080000352023-10-02. Service bulletin. U1202-00 Lost Communication with Electric Vehicle Control Module Set Erroneously in The Radio (ETM)
S23080000852023-10-02. Service bulletin. Stop-Start Inoperative
S23080000662023-08-21. Service bulletin. Dome Lamp, Ultrasonic Antitilt Module (UAM), Alarm Siren Unit (ASU) Inoperative After a Recent Module Flash
08132232023-07-31. Service bulletin. Flash: Forward Facing Camera HALF (FFC) Module Updates The customer may experience the following: ? Incorrect traffic sign recognition or information shown on Instrument Panel Cluster (IPC), example If speed limit is 50 mph translations show in KM/h. This bulletin involves updating the FFC-HALF module with the latest available software.