# 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.

- Type: Service bulletin
- NHTSA id: 10243158
- Published by NHTSA: 2023\-10\-02
- Manufacturer's number: S2308000099
- Manufacturer's date: 2023\-08\-09
- NHTSA component: COMMUNICATION: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

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2023/MC-10243158-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10243158-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Electrical system, Body control module, Software

## Trouble codes named

U0423

## Vehicles listed

- 2023 ALFA ROMEO TONALE
- 2024 ALFA ROMEO TONALE PHEV
- 2023 to 2024 DODGE HORNET

## Other bulletins for the same vehicles and component

- [S2308000148](/bulletins/10248888.md), 2024-01-16, Service bulletin: ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:BODY CONTROL MODULE/BCM. Horn Sounding When Flashing a Body Control Module \(BCM\)
- [S2308000107](/bulletins/10248547.md), 2024-01-08, Service bulletin: ELECTRICAL SYSTEM:BODY CONTROL MODULE/BCM; ELECTRICAL SYSTEM; PARKING BRAKE. Body Control Module \(BCM\) Sets Diagnostic Trouble Code \(DTC\) B1142\-14 Sport Button LED Erroneously
- [0823623](/bulletins/10247485.md), 2023-12-18, Service bulletin: ELECTRICAL SYSTEM:BODY CONTROL MODULE/BCM; STRUCTURE:BODY:DOOR. 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.
- [0823423](/bulletins/10247482.md), 2023-12-18, Service bulletin: ELECTRICAL SYSTEM:BODY CONTROL MODULE/BCM. 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.
- [S2308000107](/bulletins/10244386.md), 2023-10-30, Service bulletin: ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:BODY CONTROL MODULE/BCM. Body Control Module \(BCM\) Sets Diagnostic Trouble Code \(DTC\) B1142\-14 Sport Button LED Erroneously
- [S2308000035](/bulletins/10243183.md), 2023-10-02, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. U1202\-00 Lost Communication with Electric Vehicle Control Module Set Erroneously in The Radio \(ETM\)
- [S2308000085](/bulletins/10243132.md), 2023-10-02, Service bulletin: ELECTRICAL SYSTEM:BODY CONTROL MODULE/BCM; UNKNOWN OR OTHER. Stop\-Start Inoperative
- [S2308000066](/bulletins/10241010.md), 2023-08-21, Service bulletin: ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:BODY CONTROL MODULE/BCM; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE \(ECU/ECM\). Dome Lamp, Ultrasonic Antitilt Module \(UAM\), Alarm Siren Unit \(ASU\) Inoperative After a Recent Module Flash
- [0813223](/bulletins/10239983.md), 2023-07-31, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE; FORWARD COLLISION AVOIDANCE: SENSING SYSTEM: CAMERA; BACK OVER PREVENTION; ELECTRICAL SYSTEM; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; BACK OVER PREVENTION: SENSING SYSTEM: CAMERA. 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.

JSON: [/v1/bulletins/10243158](/v1/bulletins/10243158)

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